Switch from nd->{mnt,dentry} to nd->lookup.path.{mnt,dentry}, and from
nd->{flags,intent} to nd->lookup.{flags,intent} in the vfs and in file
systems to match the new nameidata layout.
The code generated should still be the same.
Signed-off-by: Andreas Gruenbacher <[email protected]>
---
drivers/md/dm-table.c | 2
drivers/mtd/mtdsuper.c | 10 -
fs/9p/vfs_inode.c | 6
fs/afs/mntpt.c | 22 +--
fs/autofs4/root.c | 12 -
fs/block_dev.c | 4
fs/cifs/dir.c | 6
fs/coda/pioctl.c | 2
fs/compat.c | 4
fs/configfs/symlink.c | 4
fs/dquot.c | 6
fs/ecryptfs/dentry.c | 12 -
fs/ecryptfs/inode.c | 26 ++--
fs/ecryptfs/main.c | 4
fs/exec.c | 8 -
fs/ext3/super.c | 4
fs/ext4/super.c | 4
fs/fuse/dir.c | 6
fs/gfs2/ops_fstype.c | 4
fs/gfs2/ops_inode.c | 2
fs/inotify_user.c | 2
fs/namei.c | 270 +++++++++++++++++++++----------------------
fs/namespace.c | 168 +++++++++++++-------------
fs/nfs/dir.c | 28 ++--
fs/nfs/namespace.c | 24 +--
fs/nfs/nfs4proc.c | 22 +--
fs/nfsctl.c | 2
fs/nfsd/export.c | 34 ++---
fs/nfsd/nfs4recover.c | 32 ++---
fs/nfsd/nfs4state.c | 2
fs/open.c | 44 +++----
fs/proc/base.c | 2
fs/proc/proc_sysctl.c | 2
fs/reiserfs/super.c | 6
fs/stat.c | 12 -
fs/utimes.c | 2
fs/vfat/namei.c | 2
fs/xattr.c | 16 +-
fs/xfs/linux-2.6/xfs_ioctl.c | 6
kernel/auditfilter.c | 8 -
net/sunrpc/rpc_pipe.c | 4
net/unix/af_unix.c | 20 +--
security/selinux/hooks.c | 4
43 files changed, 430 insertions(+), 430 deletions(-)
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -356,7 +356,7 @@ static int lookup_device(const char *pat
if ((r = path_lookup(path, LOOKUP_FOLLOW, &nd)))
return r;
- inode = nd.dentry->d_inode;
+ inode = nd.lookup.path.dentry->d_inode;
if (!inode) {
r = -ENOENT;
goto out;
--- a/drivers/mtd/mtdsuper.c
+++ b/drivers/mtd/mtdsuper.c
@@ -182,25 +182,25 @@ int get_sb_mtd(struct file_system_type *
ret = path_lookup(dev_name, LOOKUP_FOLLOW, &nd);
DEBUG(1, "MTDSB: path_lookup() returned %d, inode %p\n",
- ret, nd.dentry ? nd.dentry->d_inode : NULL);
+ ret, nd.lookup.path.dentry ? nd.lookup.path.dentry->d_inode : NULL);
if (ret)
return ret;
ret = -EINVAL;
- if (!S_ISBLK(nd.dentry->d_inode->i_mode))
+ if (!S_ISBLK(nd.lookup.path.dentry->d_inode->i_mode))
goto out;
- if (nd.mnt->mnt_flags & MNT_NODEV) {
+ if (nd.lookup.path.mnt->mnt_flags & MNT_NODEV) {
ret = -EACCES;
goto out;
}
- if (imajor(nd.dentry->d_inode) != MTD_BLOCK_MAJOR)
+ if (imajor(nd.lookup.path.dentry->d_inode) != MTD_BLOCK_MAJOR)
goto not_an_MTD_device;
- mtdnr = iminor(nd.dentry->d_inode);
+ mtdnr = iminor(nd.lookup.path.dentry->d_inode);
path_release(&nd);
return get_sb_mtd_nr(fs_type, flags, dev_name, data, mtdnr, fill_super,
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -478,8 +478,8 @@ v9fs_vfs_create(struct inode *dir, struc
fid = NULL;
v9ses = v9fs_inode2v9ses(dir);
perm = unixmode2p9mode(v9ses, mode);
- if (nd && nd->flags & LOOKUP_OPEN)
- flags = nd->intent.open.flags - 1;
+ if (nd && nd->lookup.flags & LOOKUP_OPEN)
+ flags = nd->lookup.intent.open.flags - 1;
else
flags = O_RDWR;
@@ -492,7 +492,7 @@ v9fs_vfs_create(struct inode *dir, struc
}
/* if we are opening a file, assign the open fid to the file */
- if (nd && nd->flags & LOOKUP_OPEN) {
+ if (nd && nd->lookup.flags & LOOKUP_OPEN) {
filp = lookup_instantiate_filp(nd, dentry, v9fs_open_created);
if (IS_ERR(filp)) {
err = PTR_ERR(filp);
--- a/fs/afs/mntpt.c
+++ b/fs/afs/mntpt.c
@@ -218,14 +218,14 @@ static void *afs_mntpt_follow_link(struc
_enter("%p{%s},{%s:%p{%s},}",
dentry,
dentry->d_name.name,
- nd->mnt->mnt_devname,
+ nd->lookup.path.mnt->mnt_devname,
dentry,
- nd->dentry->d_name.name);
+ nd->lookup.path.dentry->d_name.name);
- dput(nd->dentry);
- nd->dentry = dget(dentry);
+ dput(nd->lookup.path.dentry);
+ nd->lookup.path.dentry = dget(dentry);
- newmnt = afs_mntpt_do_automount(nd->dentry);
+ newmnt = afs_mntpt_do_automount(nd->lookup.path.dentry);
if (IS_ERR(newmnt)) {
path_release(nd);
return (void *)newmnt;
@@ -235,17 +235,17 @@ static void *afs_mntpt_follow_link(struc
err = do_add_mount(newmnt, nd, MNT_SHRINKABLE, &afs_vfsmounts);
switch (err) {
case 0:
- mntput(nd->mnt);
- dput(nd->dentry);
- nd->mnt = newmnt;
- nd->dentry = dget(newmnt->mnt_root);
+ mntput(nd->lookup.path.mnt);
+ dput(nd->lookup.path.dentry);
+ nd->lookup.path.mnt = newmnt;
+ nd->lookup.path.dentry = dget(newmnt->mnt_root);
schedule_delayed_work(&afs_mntpt_expiry_timer,
afs_mntpt_expiry_timeout * HZ);
break;
case -EBUSY:
/* someone else made a mount here whilst we were busy */
- while (d_mountpoint(nd->dentry) &&
- follow_down(&nd->mnt, &nd->dentry))
+ while (d_mountpoint(nd->lookup.path.dentry) &&
+ follow_down(&nd->lookup.path.mnt, &nd->lookup.path.dentry))
;
err = 0;
default:
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -133,7 +133,7 @@ static int autofs4_dir_open(struct inode
if (!empty)
d_invalidate(dentry);
- nd.flags = LOOKUP_DIRECTORY;
+ nd.lookup.flags = LOOKUP_DIRECTORY;
ret = (dentry->d_op->d_revalidate)(dentry, &nd);
if (ret <= 0) {
@@ -330,12 +330,12 @@ static void *autofs4_follow_link(struct
unsigned int lookup_type;
int status;
- DPRINTK("dentry=%p %.*s oz_mode=%d nd->flags=%d",
+ DPRINTK("dentry=%p %.*s oz_mode=%d nd->lookup.flags=%d",
dentry, dentry->d_name.len, dentry->d_name.name, oz_mode,
- nd->flags);
+ nd->lookup.flags);
/* If it's our master or we shouldn't trigger a mount we're done */
- lookup_type = nd->flags & (LOOKUP_CONTINUE | LOOKUP_DIRECTORY);
+ lookup_type = nd->lookup.flags & (LOOKUP_CONTINUE | LOOKUP_DIRECTORY);
if (oz_mode || !lookup_type)
goto done;
@@ -368,7 +368,7 @@ static void *autofs4_follow_link(struct
* so we don't need to follow the mount.
*/
if (d_mountpoint(dentry)) {
- if (!autofs4_follow_mount(&nd->mnt, &nd->dentry)) {
+ if (!autofs4_follow_mount(&nd->lookup.path.mnt, &nd->lookup.path.dentry)) {
status = -ENOENT;
goto out_error;
}
@@ -397,7 +397,7 @@ static int autofs4_revalidate(struct den
struct inode *dir = dentry->d_parent->d_inode;
struct autofs_sb_info *sbi = autofs4_sbi(dir->i_sb);
int oz_mode = autofs4_oz_mode(sbi);
- int flags = nd ? nd->flags : 0;
+ int flags = nd ? nd->lookup.flags : 0;
int status = 1;
/* Pending dentry */
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1386,12 +1386,12 @@ struct block_device *lookup_bdev(const c
if (error)
return ERR_PTR(error);
- inode = nd.dentry->d_inode;
+ inode = nd.lookup.path.dentry->d_inode;
error = -ENOTBLK;
if (!S_ISBLK(inode->i_mode))
goto fail;
error = -EACCES;
- if (nd.mnt->mnt_flags & MNT_NODEV)
+ if (nd.lookup.path.mnt->mnt_flags & MNT_NODEV)
goto fail;
error = -ENOMEM;
bdev = bd_acquire(inode);
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -153,8 +153,8 @@ cifs_create(struct inode *inode, struct
return -ENOMEM;
}
- if (nd && (nd->flags & LOOKUP_OPEN)) {
- int oflags = nd->intent.open.flags;
+ if (nd && (nd->lookup.flags & LOOKUP_OPEN)) {
+ int oflags = nd->lookup.intent.open.flags;
desiredAccess = 0;
if (oflags & FMODE_READ)
@@ -264,7 +264,7 @@ cifs_create(struct inode *inode, struct
d_instantiate(direntry, newinode);
}
if ((nd == NULL /* nfsd case - nfs srv does not set nd */) ||
- ((nd->flags & LOOKUP_OPEN) == FALSE)) {
+ ((nd->lookup.flags & LOOKUP_OPEN) == FALSE)) {
/* mknod case - do not leave file open */
CIFSSMBClose(xid, pTcon, fileHandle);
} else if (newinode) {
--- a/fs/coda/pioctl.c
+++ b/fs/coda/pioctl.c
@@ -75,7 +75,7 @@ static int coda_pioctl(struct inode * in
if ( error ) {
return error;
} else {
- target_inode = nd.dentry->d_inode;
+ target_inode = nd.lookup.path.dentry->d_inode;
}
/* return if it is not a Coda inode */
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -241,7 +241,7 @@ asmlinkage long compat_sys_statfs(const
error = user_path_walk(path, &nd);
if (!error) {
struct kstatfs tmp;
- error = vfs_statfs(nd.dentry, &tmp);
+ error = vfs_statfs(nd.lookup.path.dentry, &tmp);
if (!error)
error = put_compat_statfs(buf, &tmp);
path_release(&nd);
@@ -309,7 +309,7 @@ asmlinkage long compat_sys_statfs64(cons
error = user_path_walk(path, &nd);
if (!error) {
struct kstatfs tmp;
- error = vfs_statfs(nd.dentry, &tmp);
+ error = vfs_statfs(nd.lookup.path.dentry, &tmp);
if (!error)
error = put_compat_statfs64(buf, &tmp);
path_release(&nd);
--- a/fs/configfs/symlink.c
+++ b/fs/configfs/symlink.c
@@ -99,8 +99,8 @@ static int get_target(const char *symnam
ret = path_lookup(symname, LOOKUP_FOLLOW|LOOKUP_DIRECTORY, nd);
if (!ret) {
- if (nd->dentry->d_sb == configfs_sb) {
- *target = configfs_get_config_item(nd->dentry);
+ if (nd->lookup.path.dentry->d_sb == configfs_sb) {
+ *target = configfs_get_config_item(nd->lookup.path.dentry);
if (!*target) {
ret = -ENOENT;
path_release(nd);
--- a/fs/dquot.c
+++ b/fs/dquot.c
@@ -1543,14 +1543,14 @@ int vfs_quota_on(struct super_block *sb,
error = path_lookup(path, LOOKUP_FOLLOW, &nd);
if (error < 0)
return error;
- error = security_quota_on(nd.dentry);
+ error = security_quota_on(nd.lookup.path.dentry);
if (error)
goto out_path;
/* Quota file not on the same filesystem? */
- if (nd.mnt->mnt_sb != sb)
+ if (nd.lookup.path.mnt->mnt_sb != sb)
error = -EXDEV;
else
- error = vfs_quota_on_inode(nd.dentry->d_inode, type, format_id);
+ error = vfs_quota_on_inode(nd.lookup.path.dentry->d_inode, type, format_id);
out_path:
path_release(&nd);
return error;
--- a/fs/ecryptfs/dentry.c
+++ b/fs/ecryptfs/dentry.c
@@ -51,13 +51,13 @@ static int ecryptfs_d_revalidate(struct
if (!lower_dentry->d_op || !lower_dentry->d_op->d_revalidate)
goto out;
- dentry_save = nd->dentry;
- vfsmount_save = nd->mnt;
- nd->dentry = lower_dentry;
- nd->mnt = lower_mnt;
+ dentry_save = nd->lookup.path.dentry;
+ vfsmount_save = nd->lookup.path.mnt;
+ nd->lookup.path.dentry = lower_dentry;
+ nd->lookup.path.mnt = lower_mnt;
rc = lower_dentry->d_op->d_revalidate(lower_dentry, nd);
- nd->dentry = dentry_save;
- nd->mnt = vfsmount_save;
+ nd->lookup.path.dentry = dentry_save;
+ nd->lookup.path.mnt = vfsmount_save;
if (dentry->d_inode) {
struct inode *lower_inode =
ecryptfs_inode_to_lower(dentry->d_inode);
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -77,13 +77,13 @@ ecryptfs_create_underlying_file(struct i
struct vfsmount *vfsmount_save;
int rc;
- dentry_save = nd->dentry;
- vfsmount_save = nd->mnt;
- nd->dentry = lower_dentry;
- nd->mnt = lower_mnt;
+ dentry_save = nd->lookup.path.dentry;
+ vfsmount_save = nd->lookup.path.mnt;
+ nd->lookup.path.dentry = lower_dentry;
+ nd->lookup.path.mnt = lower_mnt;
rc = vfs_create(lower_dir_inode, lower_dentry, mode, nd);
- nd->dentry = dentry_save;
- nd->mnt = vfsmount_save;
+ nd->lookup.path.dentry = dentry_save;
+ nd->lookup.path.mnt = vfsmount_save;
return rc;
}
@@ -371,7 +371,7 @@ static struct dentry *ecryptfs_lookup(st
if (!(crypt_stat->flags & ECRYPTFS_POLICY_APPLIED))
ecryptfs_set_default_sizes(crypt_stat);
rc = ecryptfs_read_and_validate_header_region(page_virt, lower_dentry,
- nd->mnt);
+ nd->lookup.path.mnt);
if (rc) {
rc = ecryptfs_read_and_validate_xattr_region(page_virt, dentry);
if (rc) {
@@ -860,14 +860,14 @@ ecryptfs_permission(struct inode *inode,
int rc;
if (nd) {
- struct vfsmount *vfsmnt_save = nd->mnt;
- struct dentry *dentry_save = nd->dentry;
+ struct vfsmount *vfsmnt_save = nd->lookup.path.mnt;
+ struct dentry *dentry_save = nd->lookup.path.dentry;
- nd->mnt = ecryptfs_dentry_to_lower_mnt(nd->dentry);
- nd->dentry = ecryptfs_dentry_to_lower(nd->dentry);
+ nd->lookup.path.mnt = ecryptfs_dentry_to_lower_mnt(nd->lookup.path.dentry);
+ nd->lookup.path.dentry = ecryptfs_dentry_to_lower(nd->lookup.path.dentry);
rc = permission(ecryptfs_inode_to_lower(inode), mask, nd);
- nd->mnt = vfsmnt_save;
- nd->dentry = dentry_save;
+ nd->lookup.path.mnt = vfsmnt_save;
+ nd->lookup.path.dentry = dentry_save;
} else
rc = permission(ecryptfs_inode_to_lower(inode), mask, NULL);
return rc;
--- a/fs/ecryptfs/main.c
+++ b/fs/ecryptfs/main.c
@@ -489,8 +489,8 @@ static int ecryptfs_read_super(struct su
ecryptfs_printk(KERN_WARNING, "path_lookup() failed\n");
goto out;
}
- lower_root = nd.dentry;
- lower_mnt = nd.mnt;
+ lower_root = nd.lookup.path.dentry;
+ lower_mnt = nd.lookup.path.mnt;
ecryptfs_set_superblock_lower(sb, lower_root->d_sb);
sb->s_maxbytes = lower_root->d_sb->s_maxbytes;
ecryptfs_set_dentry_lower(sb->s_root, lower_root);
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -136,10 +136,10 @@ asmlinkage long sys_uselib(const char __
goto out;
error = -EACCES;
- if (nd.mnt->mnt_flags & MNT_NOEXEC)
+ if (nd.lookup.path.mnt->mnt_flags & MNT_NOEXEC)
goto exit;
error = -EINVAL;
- if (!S_ISREG(nd.dentry->d_inode->i_mode))
+ if (!S_ISREG(nd.lookup.path.dentry->d_inode->i_mode))
goto exit;
error = vfs_permission(&nd, MAY_READ | MAY_EXEC);
@@ -679,9 +679,9 @@ struct file *open_exec(const char *name)
file = ERR_PTR(err);
if (!err) {
- struct inode *inode = nd.dentry->d_inode;
+ struct inode *inode = nd.lookup.path.dentry->d_inode;
file = ERR_PTR(-EACCES);
- if (!(nd.mnt->mnt_flags & MNT_NOEXEC) &&
+ if (!(nd.lookup.path.mnt->mnt_flags & MNT_NOEXEC) &&
S_ISREG(inode->i_mode)) {
int err = vfs_permission(&nd, MAY_EXEC);
file = ERR_PTR(err);
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -2644,12 +2644,12 @@ static int ext3_quota_on(struct super_bl
if (err)
return err;
/* Quotafile not on the same filesystem? */
- if (nd.mnt->mnt_sb != sb) {
+ if (nd.lookup.path.mnt->mnt_sb != sb) {
path_release(&nd);
return -EXDEV;
}
/* Quotafile not of fs root? */
- if (nd.dentry->d_parent->d_inode != sb->s_root->d_inode)
+ if (nd.lookup.path.dentry->d_parent->d_inode != sb->s_root->d_inode)
printk(KERN_WARNING
"EXT3-fs: Quota file not on filesystem root. "
"Journalled quota will not work.\n");
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2764,12 +2764,12 @@ static int ext4_quota_on(struct super_bl
if (err)
return err;
/* Quotafile not on the same filesystem? */
- if (nd.mnt->mnt_sb != sb) {
+ if (nd.lookup.path.mnt->mnt_sb != sb) {
path_release(&nd);
return -EXDEV;
}
/* Quotafile not of fs root? */
- if (nd.dentry->d_parent->d_inode != sb->s_root->d_inode)
+ if (nd.lookup.path.dentry->d_parent->d_inode != sb->s_root->d_inode)
printk(KERN_WARNING
"EXT4-fs: Quota file not on filesystem root. "
"Journalled quota will not work.\n");
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -315,7 +315,7 @@ static int fuse_create_open(struct inode
struct fuse_entry_out outentry;
struct fuse_file *ff;
struct file *file;
- int flags = nd->intent.open.flags - 1;
+ int flags = nd->lookup.intent.open.flags - 1;
if (fc->no_create)
return -ENOSYS;
@@ -485,7 +485,7 @@ static int fuse_mknod(struct inode *dir,
static int fuse_create(struct inode *dir, struct dentry *entry, int mode,
struct nameidata *nd)
{
- if (nd && (nd->flags & LOOKUP_OPEN)) {
+ if (nd && (nd->lookup.flags & LOOKUP_OPEN)) {
int err = fuse_create_open(dir, entry, mode, nd);
if (err != -ENOSYS)
return err;
@@ -821,7 +821,7 @@ static int fuse_permission(struct inode
if ((mask & MAY_EXEC) && !S_ISDIR(mode) && !(mode & S_IXUGO))
return -EACCES;
- if (nd && (nd->flags & (LOOKUP_ACCESS | LOOKUP_CHDIR)))
+ if (nd && (nd->lookup.flags & (LOOKUP_ACCESS | LOOKUP_CHDIR)))
return fuse_access(inode, mask);
return 0;
}
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -827,13 +827,13 @@ static struct super_block* get_gfs2_sb(c
dev_name);
goto out;
}
- error = vfs_getattr(nd.mnt, nd.dentry, &stat);
+ error = vfs_getattr(nd.lookup.path.mnt, nd.lookup.path.dentry, &stat);
fstype = get_fs_type("gfs2");
list_for_each(l, &fstype->fs_supers) {
s = list_entry(l, struct super_block, s_instances);
if ((S_ISBLK(stat.mode) && s->s_dev == stat.rdev) ||
- (S_ISDIR(stat.mode) && s == nd.dentry->d_inode->i_sb)) {
+ (S_ISDIR(stat.mode) && s == nd.lookup.path.dentry->d_inode->i_sb)) {
sb = s;
goto free_nd;
}
--- a/fs/gfs2/ops_inode.c
+++ b/fs/gfs2/ops_inode.c
@@ -69,7 +69,7 @@ static int gfs2_create(struct inode *dir
mark_inode_dirty(inode);
break;
} else if (PTR_ERR(inode) != -EEXIST ||
- (nd->intent.open.flags & O_EXCL)) {
+ (nd->lookup.intent.open.flags & O_EXCL)) {
gfs2_holder_uninit(ghs);
return PTR_ERR(inode);
}
--- a/fs/inotify_user.c
+++ b/fs/inotify_user.c
@@ -639,7 +639,7 @@ asmlinkage long sys_inotify_add_watch(in
goto fput_and_out;
/* inode held in place by reference to nd; dev by fget on fd */
- inode = nd.dentry->d_inode;
+ inode = nd.lookup.path.dentry->d_inode;
dev = filp->private_data;
mutex_lock(&dev->up_mutex);
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -254,7 +254,7 @@ int permission(struct inode *inode, int
* the fs is mounted with the "noexec" flag.
*/
if ((mask & MAY_EXEC) && S_ISREG(mode) && (!(mode & S_IXUGO) ||
- (nd && nd->mnt && (nd->mnt->mnt_flags & MNT_NOEXEC))))
+ (nd && nd->lookup.path.mnt && (nd->lookup.path.mnt->mnt_flags & MNT_NOEXEC))))
return -EACCES;
/* Ordinary permission routines do not understand MAY_APPEND. */
@@ -281,7 +281,7 @@ int permission(struct inode *inode, int
*/
int vfs_permission(struct nameidata *nd, int mask)
{
- return permission(nd->dentry->d_inode, mask, nd);
+ return permission(nd->lookup.path.dentry->d_inode, mask, nd);
}
/**
@@ -349,8 +349,8 @@ int deny_write_access(struct file * file
void path_release(struct nameidata *nd)
{
- dput(nd->dentry);
- mntput(nd->mnt);
+ dput(nd->lookup.path.dentry);
+ mntput(nd->lookup.path.mnt);
}
/*
@@ -359,8 +359,8 @@ void path_release(struct nameidata *nd)
*/
void path_release_on_umount(struct nameidata *nd)
{
- dput(nd->dentry);
- mntput_no_expire(nd->mnt);
+ dput(nd->lookup.path.dentry);
+ mntput_no_expire(nd->lookup.path.mnt);
}
/**
@@ -369,10 +369,10 @@ void path_release_on_umount(struct namei
*/
void release_open_intent(struct nameidata *nd)
{
- if (nd->intent.open.file->f_path.dentry == NULL)
- put_filp(nd->intent.open.file);
+ if (nd->lookup.intent.open.file->f_path.dentry == NULL)
+ put_filp(nd->lookup.intent.open.file);
else
- fput(nd->intent.open.file);
+ fput(nd->lookup.intent.open.file);
}
static inline struct dentry *
@@ -524,16 +524,16 @@ walk_init_root(const char *name, struct
struct fs_struct *fs = current->fs;
read_lock(&fs->lock);
- if (fs->altroot && !(nd->flags & LOOKUP_NOALT)) {
- nd->mnt = mntget(fs->altrootmnt);
- nd->dentry = dget(fs->altroot);
+ if (fs->altroot && !(nd->lookup.flags & LOOKUP_NOALT)) {
+ nd->lookup.path.mnt = mntget(fs->altrootmnt);
+ nd->lookup.path.dentry = dget(fs->altroot);
read_unlock(&fs->lock);
if (__emul_lookup_dentry(name,nd))
return 0;
read_lock(&fs->lock);
}
- nd->mnt = mntget(fs->rootmnt);
- nd->dentry = dget(fs->root);
+ nd->lookup.path.mnt = mntget(fs->rootmnt);
+ nd->lookup.path.dentry = dget(fs->root);
read_unlock(&fs->lock);
return 1;
}
@@ -576,17 +576,17 @@ fail:
static inline void dput_path(struct path *path, struct nameidata *nd)
{
dput(path->dentry);
- if (path->mnt != nd->mnt)
+ if (path->mnt != nd->lookup.path.mnt)
mntput(path->mnt);
}
static inline void path_to_nameidata(struct path *path, struct nameidata *nd)
{
- dput(nd->dentry);
- if (nd->mnt != path->mnt)
- mntput(nd->mnt);
- nd->mnt = path->mnt;
- nd->dentry = path->dentry;
+ dput(nd->lookup.path.dentry);
+ if (nd->lookup.path.mnt != path->mnt)
+ mntput(nd->lookup.path.mnt);
+ nd->lookup.path.mnt = path->mnt;
+ nd->lookup.path.dentry = path->dentry;
}
static __always_inline int __do_follow_link(struct path *path, struct nameidata *nd)
@@ -598,7 +598,7 @@ static __always_inline int __do_follow_l
touch_atime(path->mnt, dentry);
nd_set_link(nd, NULL);
- if (path->mnt != nd->mnt) {
+ if (path->mnt != nd->lookup.path.mnt) {
path_to_nameidata(path, nd);
dget(dentry);
}
@@ -728,37 +728,37 @@ static __always_inline void follow_dotdo
while(1) {
struct vfsmount *parent;
- struct dentry *old = nd->dentry;
+ struct dentry *old = nd->lookup.path.dentry;
read_lock(&fs->lock);
- if (nd->dentry == fs->root &&
- nd->mnt == fs->rootmnt) {
+ if (nd->lookup.path.dentry == fs->root &&
+ nd->lookup.path.mnt == fs->rootmnt) {
read_unlock(&fs->lock);
break;
}
read_unlock(&fs->lock);
spin_lock(&dcache_lock);
- if (nd->dentry != nd->mnt->mnt_root) {
- nd->dentry = dget(nd->dentry->d_parent);
+ if (nd->lookup.path.dentry != nd->lookup.path.mnt->mnt_root) {
+ nd->lookup.path.dentry = dget(nd->lookup.path.dentry->d_parent);
spin_unlock(&dcache_lock);
dput(old);
break;
}
spin_unlock(&dcache_lock);
spin_lock(&vfsmount_lock);
- parent = nd->mnt->mnt_parent;
- if (parent == nd->mnt) {
+ parent = nd->lookup.path.mnt->mnt_parent;
+ if (parent == nd->lookup.path.mnt) {
spin_unlock(&vfsmount_lock);
break;
}
mntget(parent);
- nd->dentry = dget(nd->mnt->mnt_mountpoint);
+ nd->lookup.path.dentry = dget(nd->lookup.path.mnt->mnt_mountpoint);
spin_unlock(&vfsmount_lock);
dput(old);
- mntput(nd->mnt);
- nd->mnt = parent;
+ mntput(nd->lookup.path.mnt);
+ nd->lookup.path.mnt = parent;
}
- follow_mount(&nd->mnt, &nd->dentry);
+ follow_mount(&nd->lookup.path.mnt, &nd->lookup.path.dentry);
}
/*
@@ -769,8 +769,8 @@ static __always_inline void follow_dotdo
static int do_lookup(struct nameidata *nd, struct qstr *name,
struct path *path)
{
- struct vfsmount *mnt = nd->mnt;
- struct dentry *dentry = __d_lookup(nd->dentry, name);
+ struct vfsmount *mnt = nd->lookup.path.mnt;
+ struct dentry *dentry = __d_lookup(nd->lookup.path.dentry, name);
if (!dentry)
goto need_lookup;
@@ -783,7 +783,7 @@ done:
return 0;
need_lookup:
- dentry = real_lookup(nd->dentry, name, nd);
+ dentry = real_lookup(nd->lookup.path.dentry, name, nd);
if (IS_ERR(dentry))
goto fail;
goto done;
@@ -813,16 +813,16 @@ static fastcall int __link_path_walk(con
struct path next;
struct inode *inode;
int err;
- unsigned int lookup_flags = nd->flags;
+ unsigned int lookup_flags = nd->lookup.flags;
while (*name=='/')
name++;
if (!*name)
goto return_reval;
- inode = nd->dentry->d_inode;
+ inode = nd->lookup.path.dentry->d_inode;
if (nd->depth)
- lookup_flags = LOOKUP_FOLLOW | (nd->flags & LOOKUP_CONTINUE);
+ lookup_flags = LOOKUP_FOLLOW | (nd->lookup.flags & LOOKUP_CONTINUE);
/* At this point we know we have a real path component. */
for(;;) {
@@ -830,7 +830,7 @@ static fastcall int __link_path_walk(con
struct qstr this;
unsigned int c;
- nd->flags |= LOOKUP_CONTINUE;
+ nd->lookup.flags |= LOOKUP_CONTINUE;
err = exec_permission_lite(inode, nd);
if (err == -EAGAIN)
err = vfs_permission(nd, MAY_EXEC);
@@ -868,7 +868,7 @@ static fastcall int __link_path_walk(con
if (this.name[1] != '.')
break;
follow_dotdot(nd);
- inode = nd->dentry->d_inode;
+ inode = nd->lookup.path.dentry->d_inode;
/* fallthrough */
case 1:
continue;
@@ -877,8 +877,8 @@ static fastcall int __link_path_walk(con
* See if the low-level filesystem might want
* to use its own hash..
*/
- if (nd->dentry->d_op && nd->dentry->d_op->d_hash) {
- err = nd->dentry->d_op->d_hash(nd->dentry, &this);
+ if (nd->lookup.path.dentry->d_op && nd->lookup.path.dentry->d_op->d_hash) {
+ err = nd->lookup.path.dentry->d_op->d_hash(nd->lookup.path.dentry, &this);
if (err < 0)
break;
}
@@ -900,7 +900,7 @@ static fastcall int __link_path_walk(con
if (err)
goto return_err;
err = -ENOENT;
- inode = nd->dentry->d_inode;
+ inode = nd->lookup.path.dentry->d_inode;
if (!inode)
break;
err = -ENOTDIR;
@@ -918,7 +918,7 @@ last_with_slashes:
lookup_flags |= LOOKUP_FOLLOW | LOOKUP_DIRECTORY;
last_component:
/* Clear LOOKUP_CONTINUE iff it was previously unset */
- nd->flags &= lookup_flags | ~LOOKUP_CONTINUE;
+ nd->lookup.flags &= lookup_flags | ~LOOKUP_CONTINUE;
if (lookup_flags & LOOKUP_PARENT)
goto lookup_parent;
if (this.name[0] == '.') switch (this.len) {
@@ -928,13 +928,13 @@ last_component:
if (this.name[1] != '.')
break;
follow_dotdot(nd);
- inode = nd->dentry->d_inode;
+ inode = nd->lookup.path.dentry->d_inode;
/* fallthrough */
case 1:
goto return_reval;
}
- if (nd->dentry->d_op && nd->dentry->d_op->d_hash) {
- err = nd->dentry->d_op->d_hash(nd->dentry, &this);
+ if (nd->lookup.path.dentry->d_op && nd->lookup.path.dentry->d_op->d_hash) {
+ err = nd->lookup.path.dentry->d_op->d_hash(nd->lookup.path.dentry, &this);
if (err < 0)
break;
}
@@ -947,7 +947,7 @@ last_component:
err = do_follow_link(&next, nd);
if (err)
goto return_err;
- inode = nd->dentry->d_inode;
+ inode = nd->lookup.path.dentry->d_inode;
} else
path_to_nameidata(&next, nd);
err = -ENOENT;
@@ -975,11 +975,11 @@ return_reval:
* We bypassed the ordinary revalidation routines.
* We may need to check the cached dentry for staleness.
*/
- if (nd->dentry && nd->dentry->d_sb &&
- (nd->dentry->d_sb->s_type->fs_flags & FS_REVAL_DOT)) {
+ if (nd->lookup.path.dentry && nd->lookup.path.dentry->d_sb &&
+ (nd->lookup.path.dentry->d_sb->s_type->fs_flags & FS_REVAL_DOT)) {
err = -ESTALE;
/* Note: we do not d_invalidate() */
- if (!nd->dentry->d_op->d_revalidate(nd->dentry, nd))
+ if (!nd->lookup.path.dentry->d_op->d_revalidate(nd->lookup.path.dentry, nd))
break;
}
return_base:
@@ -1006,20 +1006,20 @@ static int fastcall link_path_walk(const
int result;
/* make sure the stuff we saved doesn't go away */
- dget(save.dentry);
- mntget(save.mnt);
+ dget(save.lookup.path.dentry);
+ mntget(save.lookup.path.mnt);
result = __link_path_walk(name, nd);
if (result == -ESTALE) {
*nd = save;
- dget(nd->dentry);
- mntget(nd->mnt);
- nd->flags |= LOOKUP_REVAL;
+ dget(nd->lookup.path.dentry);
+ mntget(nd->lookup.path.mnt);
+ nd->lookup.flags |= LOOKUP_REVAL;
result = __link_path_walk(name, nd);
}
- dput(save.dentry);
- mntput(save.mnt);
+ dput(save.lookup.path.dentry);
+ mntput(save.lookup.path.mnt);
return result;
}
@@ -1039,9 +1039,9 @@ static int __emul_lookup_dentry(const ch
if (path_walk(name, nd))
return 0; /* something went wrong... */
- if (!nd->dentry->d_inode || S_ISDIR(nd->dentry->d_inode->i_mode)) {
- struct dentry *old_dentry = nd->dentry;
- struct vfsmount *old_mnt = nd->mnt;
+ if (!nd->lookup.path.dentry->d_inode || S_ISDIR(nd->lookup.path.dentry->d_inode->i_mode)) {
+ struct dentry *old_dentry = nd->lookup.path.dentry;
+ struct vfsmount *old_mnt = nd->lookup.path.mnt;
struct qstr last = nd->last;
int last_type = nd->last_type;
struct fs_struct *fs = current->fs;
@@ -1052,19 +1052,19 @@ static int __emul_lookup_dentry(const ch
*/
nd->last_type = LAST_ROOT;
read_lock(&fs->lock);
- nd->mnt = mntget(fs->rootmnt);
- nd->dentry = dget(fs->root);
+ nd->lookup.path.mnt = mntget(fs->rootmnt);
+ nd->lookup.path.dentry = dget(fs->root);
read_unlock(&fs->lock);
if (path_walk(name, nd) == 0) {
- if (nd->dentry->d_inode) {
+ if (nd->lookup.path.dentry->d_inode) {
dput(old_dentry);
mntput(old_mnt);
return 1;
}
path_release(nd);
}
- nd->dentry = old_dentry;
- nd->mnt = old_mnt;
+ nd->lookup.path.dentry = old_dentry;
+ nd->lookup.path.mnt = old_mnt;
nd->last = last;
nd->last_type = last_type;
}
@@ -1084,8 +1084,8 @@ void set_fs_altroot(void)
goto set_it;
err = path_lookup(emul, LOOKUP_FOLLOW|LOOKUP_DIRECTORY|LOOKUP_NOALT, &nd);
if (!err) {
- mnt = nd.mnt;
- dentry = nd.dentry;
+ mnt = nd.lookup.path.mnt;
+ dentry = nd.lookup.path.dentry;
}
set_it:
write_lock(&fs->lock);
@@ -1110,26 +1110,26 @@ static int fastcall do_path_lookup(int d
struct fs_struct *fs = current->fs;
nd->last_type = LAST_ROOT; /* if there are only slashes... */
- nd->flags = flags;
+ nd->lookup.flags = flags;
nd->depth = 0;
if (*name=='/') {
read_lock(&fs->lock);
- if (fs->altroot && !(nd->flags & LOOKUP_NOALT)) {
- nd->mnt = mntget(fs->altrootmnt);
- nd->dentry = dget(fs->altroot);
+ if (fs->altroot && !(nd->lookup.flags & LOOKUP_NOALT)) {
+ nd->lookup.path.mnt = mntget(fs->altrootmnt);
+ nd->lookup.path.dentry = dget(fs->altroot);
read_unlock(&fs->lock);
if (__emul_lookup_dentry(name,nd))
goto out; /* found in altroot */
read_lock(&fs->lock);
}
- nd->mnt = mntget(fs->rootmnt);
- nd->dentry = dget(fs->root);
+ nd->lookup.path.mnt = mntget(fs->rootmnt);
+ nd->lookup.path.dentry = dget(fs->root);
read_unlock(&fs->lock);
} else if (dfd == AT_FDCWD) {
read_lock(&fs->lock);
- nd->mnt = mntget(fs->pwdmnt);
- nd->dentry = dget(fs->pwd);
+ nd->lookup.path.mnt = mntget(fs->pwdmnt);
+ nd->lookup.path.dentry = dget(fs->pwd);
read_unlock(&fs->lock);
} else {
struct dentry *dentry;
@@ -1149,17 +1149,17 @@ static int fastcall do_path_lookup(int d
if (retval)
goto fput_fail;
- nd->mnt = mntget(file->f_path.mnt);
- nd->dentry = dget(dentry);
+ nd->lookup.path.mnt = mntget(file->f_path.mnt);
+ nd->lookup.path.dentry = dget(dentry);
fput_light(file, fput_needed);
}
retval = path_walk(name, nd);
out:
- if (unlikely(!retval && !audit_dummy_context() && nd->dentry &&
- nd->dentry->d_inode))
- audit_inode(name, nd->dentry->d_inode);
+ if (unlikely(!retval && !audit_dummy_context() && nd->lookup.path.dentry &&
+ nd->lookup.path.dentry->d_inode))
+ audit_inode(name, nd->lookup.path.dentry->d_inode);
out_fail:
return retval;
@@ -1190,16 +1190,16 @@ int vfs_path_lookup(struct dentry *dentr
/* same as do_path_lookup */
nd->last_type = LAST_ROOT;
- nd->flags = flags;
+ nd->lookup.flags = flags;
nd->depth = 0;
- nd->mnt = mntget(mnt);
- nd->dentry = dget(dentry);
+ nd->lookup.path.mnt = mntget(mnt);
+ nd->lookup.path.dentry = dget(dentry);
retval = path_walk(name, nd);
- if (unlikely(!retval && !audit_dummy_context() && nd->dentry &&
- nd->dentry->d_inode))
- audit_inode(name, nd->dentry->d_inode);
+ if (unlikely(!retval && !audit_dummy_context() && nd->lookup.path.dentry &&
+ nd->lookup.path.dentry->d_inode))
+ audit_inode(name, nd->lookup.path.dentry->d_inode);
return retval;
@@ -1214,13 +1214,13 @@ static int __path_lookup_intent_open(int
if (filp == NULL)
return -ENFILE;
- nd->intent.open.file = filp;
- nd->intent.open.flags = open_flags;
- nd->intent.open.create_mode = create_mode;
+ nd->lookup.intent.open.file = filp;
+ nd->lookup.intent.open.flags = open_flags;
+ nd->lookup.intent.open.create_mode = create_mode;
err = do_path_lookup(dfd, name, lookup_flags|LOOKUP_OPEN, nd);
- if (IS_ERR(nd->intent.open.file)) {
+ if (IS_ERR(nd->lookup.intent.open.file)) {
if (err == 0) {
- err = PTR_ERR(nd->intent.open.file);
+ err = PTR_ERR(nd->lookup.intent.open.file);
path_release(nd);
}
} else if (err != 0)
@@ -1333,7 +1333,7 @@ out:
static struct dentry *lookup_hash(struct nameidata *nd)
{
- return __lookup_hash(&nd->last, nd->dentry, nd);
+ return __lookup_hash(&nd->last, nd->lookup.path.dentry, nd);
}
/* SMP-safe */
@@ -1566,7 +1566,7 @@ int vfs_create(struct inode *dir, struct
int may_open(struct nameidata *nd, int acc_mode, int flag)
{
- struct dentry *dentry = nd->dentry;
+ struct dentry *dentry = nd->lookup.path.dentry;
struct inode *inode = dentry->d_inode;
int error;
@@ -1591,7 +1591,7 @@ int may_open(struct nameidata *nd, int a
if (S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) {
flag &= ~O_TRUNC;
} else if (S_ISBLK(inode->i_mode) || S_ISCHR(inode->i_mode)) {
- if (nd->mnt->mnt_flags & MNT_NODEV)
+ if (nd->lookup.path.mnt->mnt_flags & MNT_NODEV)
return -EACCES;
flag &= ~O_TRUNC;
@@ -1647,14 +1647,14 @@ static int open_namei_create(struct name
int flag, int mode)
{
int error;
- struct dentry *dir = nd->dentry;
+ struct dentry *dir = nd->lookup.path.dentry;
if (!IS_POSIXACL(dir->d_inode))
mode &= ~current->fs->umask;
error = vfs_create(dir->d_inode, path->dentry, mode, nd);
mutex_unlock(&dir->d_inode->i_mutex);
- dput(nd->dentry);
- nd->dentry = path->dentry;
+ dput(nd->lookup.path.dentry);
+ nd->lookup.path.dentry = path->dentry;
if (error)
return error;
/* Don't check for write permission, don't truncate */
@@ -1721,11 +1721,11 @@ int open_namei(int dfd, const char *path
if (nd->last_type != LAST_NORM || nd->last.name[nd->last.len])
goto exit;
- dir = nd->dentry;
- nd->flags &= ~LOOKUP_PARENT;
+ dir = nd->lookup.path.dentry;
+ nd->lookup.flags &= ~LOOKUP_PARENT;
mutex_lock(&dir->d_inode->i_mutex);
path.dentry = lookup_hash(nd);
- path.mnt = nd->mnt;
+ path.mnt = nd->lookup.path.mnt;
do_last:
error = PTR_ERR(path.dentry);
@@ -1734,9 +1734,9 @@ do_last:
goto exit;
}
- if (IS_ERR(nd->intent.open.file)) {
+ if (IS_ERR(nd->lookup.intent.open.file)) {
mutex_unlock(&dir->d_inode->i_mutex);
- error = PTR_ERR(nd->intent.open.file);
+ error = PTR_ERR(nd->lookup.intent.open.file);
goto exit_dput;
}
@@ -1783,7 +1783,7 @@ ok:
exit_dput:
dput_path(&path, nd);
exit:
- if (!IS_ERR(nd->intent.open.file))
+ if (!IS_ERR(nd->lookup.intent.open.file))
release_open_intent(nd);
path_release(nd);
return error;
@@ -1802,7 +1802,7 @@ do_link:
* stored in nd->last.name and we will have to putname() it when we
* are done. Procfs-like symlinks just set LAST_BIND.
*/
- nd->flags |= LOOKUP_PARENT;
+ nd->lookup.flags |= LOOKUP_PARENT;
error = security_inode_follow_link(path.dentry, nd);
if (error)
goto exit_dput;
@@ -1815,7 +1815,7 @@ do_link:
release_open_intent(nd);
return error;
}
- nd->flags &= ~LOOKUP_PARENT;
+ nd->lookup.flags &= ~LOOKUP_PARENT;
if (nd->last_type == LAST_BIND)
goto ok;
error = -EISDIR;
@@ -1830,10 +1830,10 @@ do_link:
__putname(nd->last.name);
goto exit;
}
- dir = nd->dentry;
+ dir = nd->lookup.path.dentry;
mutex_lock(&dir->d_inode->i_mutex);
path.dentry = lookup_hash(nd);
- path.mnt = nd->mnt;
+ path.mnt = nd->lookup.path.mnt;
__putname(nd->last.name);
goto do_last;
}
@@ -1846,22 +1846,22 @@ do_link:
* Simple function to lookup and return a dentry and create it
* if it doesn't exist. Is SMP-safe.
*
- * Returns with nd->dentry->d_inode->i_mutex locked.
+ * Returns with nd->lookup.path.dentry->d_inode->i_mutex locked.
*/
struct dentry *lookup_create(struct nameidata *nd, int is_dir)
{
struct dentry *dentry = ERR_PTR(-EEXIST);
- mutex_lock_nested(&nd->dentry->d_inode->i_mutex, I_MUTEX_PARENT);
+ mutex_lock_nested(&nd->lookup.path.dentry->d_inode->i_mutex, I_MUTEX_PARENT);
/*
* Yucky last component or no last component at all?
* (foo/., foo/.., /////)
*/
if (nd->last_type != LAST_NORM)
goto fail;
- nd->flags &= ~LOOKUP_PARENT;
- nd->flags |= LOOKUP_CREATE;
- nd->intent.open.flags = O_EXCL;
+ nd->lookup.flags &= ~LOOKUP_PARENT;
+ nd->lookup.flags |= LOOKUP_CREATE;
+ nd->lookup.intent.open.flags = O_EXCL;
/*
* Do the final lookup.
@@ -1931,19 +1931,19 @@ asmlinkage long sys_mknodat(int dfd, con
dentry = lookup_create(&nd, 0);
error = PTR_ERR(dentry);
- if (!IS_POSIXACL(nd.dentry->d_inode))
+ if (!IS_POSIXACL(nd.lookup.path.dentry->d_inode))
mode &= ~current->fs->umask;
if (!IS_ERR(dentry)) {
switch (mode & S_IFMT) {
case 0: case S_IFREG:
- error = vfs_create(nd.dentry->d_inode,dentry,mode,&nd);
+ error = vfs_create(nd.lookup.path.dentry->d_inode,dentry,mode,&nd);
break;
case S_IFCHR: case S_IFBLK:
- error = vfs_mknod(nd.dentry->d_inode,dentry,mode,
+ error = vfs_mknod(nd.lookup.path.dentry->d_inode,dentry,mode,
new_decode_dev(dev));
break;
case S_IFIFO: case S_IFSOCK:
- error = vfs_mknod(nd.dentry->d_inode,dentry,mode,0);
+ error = vfs_mknod(nd.lookup.path.dentry->d_inode,dentry,mode,0);
break;
case S_IFDIR:
error = -EPERM;
@@ -1953,7 +1953,7 @@ asmlinkage long sys_mknodat(int dfd, con
}
dput(dentry);
}
- mutex_unlock(&nd.dentry->d_inode->i_mutex);
+ mutex_unlock(&nd.lookup.path.dentry->d_inode->i_mutex);
path_release(&nd);
out:
putname(tmp);
@@ -2008,12 +2008,12 @@ asmlinkage long sys_mkdirat(int dfd, con
if (IS_ERR(dentry))
goto out_unlock;
- if (!IS_POSIXACL(nd.dentry->d_inode))
+ if (!IS_POSIXACL(nd.lookup.path.dentry->d_inode))
mode &= ~current->fs->umask;
- error = vfs_mkdir(nd.dentry->d_inode, dentry, mode);
+ error = vfs_mkdir(nd.lookup.path.dentry->d_inode, dentry, mode);
dput(dentry);
out_unlock:
- mutex_unlock(&nd.dentry->d_inode->i_mutex);
+ mutex_unlock(&nd.lookup.path.dentry->d_inode->i_mutex);
path_release(&nd);
out:
putname(tmp);
@@ -2112,15 +2112,15 @@ static long do_rmdir(int dfd, const char
error = -EBUSY;
goto exit1;
}
- mutex_lock_nested(&nd.dentry->d_inode->i_mutex, I_MUTEX_PARENT);
+ mutex_lock_nested(&nd.lookup.path.dentry->d_inode->i_mutex, I_MUTEX_PARENT);
dentry = lookup_hash(&nd);
error = PTR_ERR(dentry);
if (IS_ERR(dentry))
goto exit2;
- error = vfs_rmdir(nd.dentry->d_inode, dentry);
+ error = vfs_rmdir(nd.lookup.path.dentry->d_inode, dentry);
dput(dentry);
exit2:
- mutex_unlock(&nd.dentry->d_inode->i_mutex);
+ mutex_unlock(&nd.lookup.path.dentry->d_inode->i_mutex);
exit1:
path_release(&nd);
exit:
@@ -2187,7 +2187,7 @@ static long do_unlinkat(int dfd, const c
error = -EISDIR;
if (nd.last_type != LAST_NORM)
goto exit1;
- mutex_lock_nested(&nd.dentry->d_inode->i_mutex, I_MUTEX_PARENT);
+ mutex_lock_nested(&nd.lookup.path.dentry->d_inode->i_mutex, I_MUTEX_PARENT);
dentry = lookup_hash(&nd);
error = PTR_ERR(dentry);
if (!IS_ERR(dentry)) {
@@ -2197,11 +2197,11 @@ static long do_unlinkat(int dfd, const c
inode = dentry->d_inode;
if (inode)
atomic_inc(&inode->i_count);
- error = vfs_unlink(nd.dentry->d_inode, dentry);
+ error = vfs_unlink(nd.lookup.path.dentry->d_inode, dentry);
exit2:
dput(dentry);
}
- mutex_unlock(&nd.dentry->d_inode->i_mutex);
+ mutex_unlock(&nd.lookup.path.dentry->d_inode->i_mutex);
if (inode)
iput(inode); /* truncate the inode here */
exit1:
@@ -2278,10 +2278,10 @@ asmlinkage long sys_symlinkat(const char
if (IS_ERR(dentry))
goto out_unlock;
- error = vfs_symlink(nd.dentry->d_inode, dentry, from, S_IALLUGO);
+ error = vfs_symlink(nd.lookup.path.dentry->d_inode, dentry, from, S_IALLUGO);
dput(dentry);
out_unlock:
- mutex_unlock(&nd.dentry->d_inode->i_mutex);
+ mutex_unlock(&nd.lookup.path.dentry->d_inode->i_mutex);
path_release(&nd);
out:
putname(to);
@@ -2367,16 +2367,16 @@ asmlinkage long sys_linkat(int olddfd, c
if (error)
goto out;
error = -EXDEV;
- if (old_nd.mnt != nd.mnt)
+ if (old_nd.lookup.path.mnt != nd.lookup.path.mnt)
goto out_release;
new_dentry = lookup_create(&nd, 0);
error = PTR_ERR(new_dentry);
if (IS_ERR(new_dentry))
goto out_unlock;
- error = vfs_link(old_nd.dentry, nd.dentry->d_inode, new_dentry);
+ error = vfs_link(old_nd.lookup.path.dentry, nd.lookup.path.dentry->d_inode, new_dentry);
dput(new_dentry);
out_unlock:
- mutex_unlock(&nd.dentry->d_inode->i_mutex);
+ mutex_unlock(&nd.lookup.path.dentry->d_inode->i_mutex);
out_release:
path_release(&nd);
out:
@@ -2556,15 +2556,15 @@ static int do_rename(int olddfd, const c
goto exit1;
error = -EXDEV;
- if (oldnd.mnt != newnd.mnt)
+ if (oldnd.lookup.path.mnt != newnd.lookup.path.mnt)
goto exit2;
- old_dir = oldnd.dentry;
+ old_dir = oldnd.lookup.path.dentry;
error = -EBUSY;
if (oldnd.last_type != LAST_NORM)
goto exit2;
- new_dir = newnd.dentry;
+ new_dir = newnd.lookup.path.dentry;
if (newnd.last_type != LAST_NORM)
goto exit2;
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -154,13 +154,13 @@ static void __touch_mnt_namespace(struct
static void detach_mnt(struct vfsmount *mnt, struct nameidata *old_nd)
{
- old_nd->dentry = mnt->mnt_mountpoint;
- old_nd->mnt = mnt->mnt_parent;
+ old_nd->lookup.path.dentry = mnt->mnt_mountpoint;
+ old_nd->lookup.path.mnt = mnt->mnt_parent;
mnt->mnt_parent = mnt;
mnt->mnt_mountpoint = mnt->mnt_root;
list_del_init(&mnt->mnt_child);
list_del_init(&mnt->mnt_hash);
- old_nd->dentry->d_mounted--;
+ old_nd->lookup.path.dentry->d_mounted--;
}
void mnt_set_mountpoint(struct vfsmount *mnt, struct dentry *dentry,
@@ -173,10 +173,10 @@ void mnt_set_mountpoint(struct vfsmount
static void attach_mnt(struct vfsmount *mnt, struct nameidata *nd)
{
- mnt_set_mountpoint(nd->mnt, nd->dentry, mnt);
+ mnt_set_mountpoint(nd->lookup.path.mnt, nd->lookup.path.dentry, mnt);
list_add_tail(&mnt->mnt_hash, mount_hashtable +
- hash(nd->mnt, nd->dentry));
- list_add_tail(&mnt->mnt_child, &nd->mnt->mnt_mounts);
+ hash(nd->lookup.path.mnt, nd->lookup.path.dentry));
+ list_add_tail(&mnt->mnt_child, &nd->lookup.path.mnt->mnt_mounts);
}
/*
@@ -637,16 +637,16 @@ asmlinkage long sys_umount(char __user *
if (retval)
goto out;
retval = -EINVAL;
- if (nd.dentry != nd.mnt->mnt_root)
+ if (nd.lookup.path.dentry != nd.lookup.path.mnt->mnt_root)
goto dput_and_out;
- if (!check_mnt(nd.mnt))
+ if (!check_mnt(nd.lookup.path.mnt))
goto dput_and_out;
retval = -EPERM;
if (!capable(CAP_SYS_ADMIN))
goto dput_and_out;
- retval = do_umount(nd.mnt, flags);
+ retval = do_umount(nd.lookup.path.mnt, flags);
dput_and_out:
path_release_on_umount(&nd);
out:
@@ -671,10 +671,10 @@ static int mount_is_safe(struct nameidat
return 0;
return -EPERM;
#ifdef notyet
- if (S_ISLNK(nd->dentry->d_inode->i_mode))
+ if (S_ISLNK(nd->lookup.path.dentry->d_inode->i_mode))
return -EPERM;
- if (nd->dentry->d_inode->i_mode & S_ISVTX) {
- if (current->uid != nd->dentry->d_inode->i_uid)
+ if (nd->lookup.path.dentry->d_inode->i_mode & S_ISVTX) {
+ if (current->uid != nd->lookup.path.dentry->d_inode->i_uid)
return -EPERM;
}
if (vfs_permission(nd, MAY_WRITE))
@@ -723,8 +723,8 @@ struct vfsmount *copy_tree(struct vfsmou
q = q->mnt_parent;
}
p = s;
- nd.mnt = q;
- nd.dentry = p->mnt_mountpoint;
+ nd.lookup.path.mnt = q;
+ nd.lookup.path.dentry = p->mnt_mountpoint;
q = clone_mnt(p, p->mnt_root, flag);
if (!q)
goto Enomem;
@@ -813,8 +813,8 @@ static int attach_recursive_mnt(struct v
struct nameidata *nd, struct nameidata *parent_nd)
{
LIST_HEAD(tree_list);
- struct vfsmount *dest_mnt = nd->mnt;
- struct dentry *dest_dentry = nd->dentry;
+ struct vfsmount *dest_mnt = nd->lookup.path.mnt;
+ struct dentry *dest_dentry = nd->lookup.path.dentry;
struct vfsmount *child, *p;
if (propagate_mnt(dest_mnt, dest_dentry, source_mnt, &tree_list))
@@ -849,13 +849,13 @@ static int graft_tree(struct vfsmount *m
if (mnt->mnt_sb->s_flags & MS_NOUSER)
return -EINVAL;
- if (S_ISDIR(nd->dentry->d_inode->i_mode) !=
+ if (S_ISDIR(nd->lookup.path.dentry->d_inode->i_mode) !=
S_ISDIR(mnt->mnt_root->d_inode->i_mode))
return -ENOTDIR;
err = -ENOENT;
- mutex_lock(&nd->dentry->d_inode->i_mutex);
- if (IS_DEADDIR(nd->dentry->d_inode))
+ mutex_lock(&nd->lookup.path.dentry->d_inode->i_mutex);
+ if (IS_DEADDIR(nd->lookup.path.dentry->d_inode))
goto out_unlock;
err = security_sb_check_sb(mnt, nd);
@@ -863,10 +863,10 @@ static int graft_tree(struct vfsmount *m
goto out_unlock;
err = -ENOENT;
- if (IS_ROOT(nd->dentry) || !d_unhashed(nd->dentry))
+ if (IS_ROOT(nd->lookup.path.dentry) || !d_unhashed(nd->lookup.path.dentry))
err = attach_recursive_mnt(mnt, nd, NULL);
out_unlock:
- mutex_unlock(&nd->dentry->d_inode->i_mutex);
+ mutex_unlock(&nd->lookup.path.dentry->d_inode->i_mutex);
if (!err)
security_sb_post_addmount(mnt, nd);
return err;
@@ -877,14 +877,14 @@ out_unlock:
*/
static int do_change_type(struct nameidata *nd, int flag)
{
- struct vfsmount *m, *mnt = nd->mnt;
+ struct vfsmount *m, *mnt = nd->lookup.path.mnt;
int recurse = flag & MS_REC;
int type = flag & ~MS_REC;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- if (nd->dentry != nd->mnt->mnt_root)
+ if (nd->lookup.path.dentry != nd->lookup.path.mnt->mnt_root)
return -EINVAL;
down_write(&namespace_sem);
@@ -914,17 +914,17 @@ static int do_loopback(struct nameidata
down_write(&namespace_sem);
err = -EINVAL;
- if (IS_MNT_UNBINDABLE(old_nd.mnt))
+ if (IS_MNT_UNBINDABLE(old_nd.lookup.path.mnt))
goto out;
- if (!check_mnt(nd->mnt) || !check_mnt(old_nd.mnt))
+ if (!check_mnt(nd->lookup.path.mnt) || !check_mnt(old_nd.lookup.path.mnt))
goto out;
err = -ENOMEM;
if (recurse)
- mnt = copy_tree(old_nd.mnt, old_nd.dentry, 0);
+ mnt = copy_tree(old_nd.lookup.path.mnt, old_nd.lookup.path.dentry, 0);
else
- mnt = clone_mnt(old_nd.mnt, old_nd.dentry, 0);
+ mnt = clone_mnt(old_nd.lookup.path.mnt, old_nd.lookup.path.dentry, 0);
if (!mnt)
goto out;
@@ -953,24 +953,24 @@ static int do_remount(struct nameidata *
void *data)
{
int err;
- struct super_block *sb = nd->mnt->mnt_sb;
+ struct super_block *sb = nd->lookup.path.mnt->mnt_sb;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
- if (!check_mnt(nd->mnt))
+ if (!check_mnt(nd->lookup.path.mnt))
return -EINVAL;
- if (nd->dentry != nd->mnt->mnt_root)
+ if (nd->lookup.path.dentry != nd->lookup.path.mnt->mnt_root)
return -EINVAL;
down_write(&sb->s_umount);
err = do_remount_sb(sb, flags, data, 0);
if (!err)
- nd->mnt->mnt_flags = mnt_flags;
+ nd->lookup.path.mnt->mnt_flags = mnt_flags;
up_write(&sb->s_umount);
if (!err)
- security_sb_post_remount(nd->mnt, flags, data);
+ security_sb_post_remount(nd->lookup.path.mnt, flags, data);
return err;
}
@@ -998,56 +998,56 @@ static int do_move_mount(struct nameidat
return err;
down_write(&namespace_sem);
- while (d_mountpoint(nd->dentry) && follow_down(&nd->mnt, &nd->dentry))
+ while (d_mountpoint(nd->lookup.path.dentry) && follow_down(&nd->lookup.path.mnt, &nd->lookup.path.dentry))
;
err = -EINVAL;
- if (!check_mnt(nd->mnt) || !check_mnt(old_nd.mnt))
+ if (!check_mnt(nd->lookup.path.mnt) || !check_mnt(old_nd.lookup.path.mnt))
goto out;
err = -ENOENT;
- mutex_lock(&nd->dentry->d_inode->i_mutex);
- if (IS_DEADDIR(nd->dentry->d_inode))
+ mutex_lock(&nd->lookup.path.dentry->d_inode->i_mutex);
+ if (IS_DEADDIR(nd->lookup.path.dentry->d_inode))
goto out1;
- if (!IS_ROOT(nd->dentry) && d_unhashed(nd->dentry))
+ if (!IS_ROOT(nd->lookup.path.dentry) && d_unhashed(nd->lookup.path.dentry))
goto out1;
err = -EINVAL;
- if (old_nd.dentry != old_nd.mnt->mnt_root)
+ if (old_nd.lookup.path.dentry != old_nd.lookup.path.mnt->mnt_root)
goto out1;
- if (old_nd.mnt == old_nd.mnt->mnt_parent)
+ if (old_nd.lookup.path.mnt == old_nd.lookup.path.mnt->mnt_parent)
goto out1;
- if (S_ISDIR(nd->dentry->d_inode->i_mode) !=
- S_ISDIR(old_nd.dentry->d_inode->i_mode))
+ if (S_ISDIR(nd->lookup.path.dentry->d_inode->i_mode) !=
+ S_ISDIR(old_nd.lookup.path.dentry->d_inode->i_mode))
goto out1;
/*
* Don't move a mount residing in a shared parent.
*/
- if (old_nd.mnt->mnt_parent && IS_MNT_SHARED(old_nd.mnt->mnt_parent))
+ if (old_nd.lookup.path.mnt->mnt_parent && IS_MNT_SHARED(old_nd.lookup.path.mnt->mnt_parent))
goto out1;
/*
* Don't move a mount tree containing unbindable mounts to a destination
* mount which is shared.
*/
- if (IS_MNT_SHARED(nd->mnt) && tree_contains_unbindable(old_nd.mnt))
+ if (IS_MNT_SHARED(nd->lookup.path.mnt) && tree_contains_unbindable(old_nd.lookup.path.mnt))
goto out1;
err = -ELOOP;
- for (p = nd->mnt; p->mnt_parent != p; p = p->mnt_parent)
- if (p == old_nd.mnt)
+ for (p = nd->lookup.path.mnt; p->mnt_parent != p; p = p->mnt_parent)
+ if (p == old_nd.lookup.path.mnt)
goto out1;
- if ((err = attach_recursive_mnt(old_nd.mnt, nd, &parent_nd)))
+ if ((err = attach_recursive_mnt(old_nd.lookup.path.mnt, nd, &parent_nd)))
goto out1;
spin_lock(&vfsmount_lock);
/* if the mount is moved, it should no longer be expire
* automatically */
- list_del_init(&old_nd.mnt->mnt_expire);
+ list_del_init(&old_nd.lookup.path.mnt->mnt_expire);
spin_unlock(&vfsmount_lock);
out1:
- mutex_unlock(&nd->dentry->d_inode->i_mutex);
+ mutex_unlock(&nd->lookup.path.dentry->d_inode->i_mutex);
out:
up_write(&namespace_sem);
if (!err)
@@ -1090,16 +1090,16 @@ int do_add_mount(struct vfsmount *newmnt
down_write(&namespace_sem);
/* Something was mounted here while we slept */
- while (d_mountpoint(nd->dentry) && follow_down(&nd->mnt, &nd->dentry))
+ while (d_mountpoint(nd->lookup.path.dentry) && follow_down(&nd->lookup.path.mnt, &nd->lookup.path.dentry))
;
err = -EINVAL;
- if (!check_mnt(nd->mnt))
+ if (!check_mnt(nd->lookup.path.mnt))
goto unlock;
/* Refuse the same filesystem on the same mount point */
err = -EBUSY;
- if (nd->mnt->mnt_sb == newmnt->mnt_sb &&
- nd->mnt->mnt_root == nd->dentry)
+ if (nd->lookup.path.mnt->mnt_sb == newmnt->mnt_sb &&
+ nd->lookup.path.mnt->mnt_root == nd->lookup.path.dentry)
goto unlock;
err = -EINVAL;
@@ -1625,12 +1625,12 @@ static void chroot_fs_refs(struct nameid
if (fs) {
atomic_inc(&fs->count);
task_unlock(p);
- if (fs->root == old_nd->dentry
- && fs->rootmnt == old_nd->mnt)
- set_fs_root(fs, new_nd->mnt, new_nd->dentry);
- if (fs->pwd == old_nd->dentry
- && fs->pwdmnt == old_nd->mnt)
- set_fs_pwd(fs, new_nd->mnt, new_nd->dentry);
+ if (fs->root == old_nd->lookup.path.dentry
+ && fs->rootmnt == old_nd->lookup.path.mnt)
+ set_fs_root(fs, new_nd->lookup.path.mnt, new_nd->lookup.path.dentry);
+ if (fs->pwd == old_nd->lookup.path.dentry
+ && fs->pwdmnt == old_nd->lookup.path.mnt)
+ set_fs_pwd(fs, new_nd->lookup.path.mnt, new_nd->lookup.path.dentry);
put_fs_struct(fs);
} else
task_unlock(p);
@@ -1680,7 +1680,7 @@ asmlinkage long sys_pivot_root(const cha
if (error)
goto out0;
error = -EINVAL;
- if (!check_mnt(new_nd.mnt))
+ if (!check_mnt(new_nd.lookup.path.mnt))
goto out1;
error = __user_walk(put_old, LOOKUP_FOLLOW | LOOKUP_DIRECTORY, &old_nd);
@@ -1694,55 +1694,55 @@ asmlinkage long sys_pivot_root(const cha
}
read_lock(¤t->fs->lock);
- user_nd.mnt = mntget(current->fs->rootmnt);
- user_nd.dentry = dget(current->fs->root);
+ user_nd.lookup.path.mnt = mntget(current->fs->rootmnt);
+ user_nd.lookup.path.dentry = dget(current->fs->root);
read_unlock(¤t->fs->lock);
down_write(&namespace_sem);
- mutex_lock(&old_nd.dentry->d_inode->i_mutex);
+ mutex_lock(&old_nd.lookup.path.dentry->d_inode->i_mutex);
error = -EINVAL;
- if (IS_MNT_SHARED(old_nd.mnt) ||
- IS_MNT_SHARED(new_nd.mnt->mnt_parent) ||
- IS_MNT_SHARED(user_nd.mnt->mnt_parent))
+ if (IS_MNT_SHARED(old_nd.lookup.path.mnt) ||
+ IS_MNT_SHARED(new_nd.lookup.path.mnt->mnt_parent) ||
+ IS_MNT_SHARED(user_nd.lookup.path.mnt->mnt_parent))
goto out2;
- if (!check_mnt(user_nd.mnt))
+ if (!check_mnt(user_nd.lookup.path.mnt))
goto out2;
error = -ENOENT;
- if (IS_DEADDIR(new_nd.dentry->d_inode))
+ if (IS_DEADDIR(new_nd.lookup.path.dentry->d_inode))
goto out2;
- if (d_unhashed(new_nd.dentry) && !IS_ROOT(new_nd.dentry))
+ if (d_unhashed(new_nd.lookup.path.dentry) && !IS_ROOT(new_nd.lookup.path.dentry))
goto out2;
- if (d_unhashed(old_nd.dentry) && !IS_ROOT(old_nd.dentry))
+ if (d_unhashed(old_nd.lookup.path.dentry) && !IS_ROOT(old_nd.lookup.path.dentry))
goto out2;
error = -EBUSY;
- if (new_nd.mnt == user_nd.mnt || old_nd.mnt == user_nd.mnt)
+ if (new_nd.lookup.path.mnt == user_nd.lookup.path.mnt || old_nd.lookup.path.mnt == user_nd.lookup.path.mnt)
goto out2; /* loop, on the same file system */
error = -EINVAL;
- if (user_nd.mnt->mnt_root != user_nd.dentry)
+ if (user_nd.lookup.path.mnt->mnt_root != user_nd.lookup.path.dentry)
goto out2; /* not a mountpoint */
- if (user_nd.mnt->mnt_parent == user_nd.mnt)
+ if (user_nd.lookup.path.mnt->mnt_parent == user_nd.lookup.path.mnt)
goto out2; /* not attached */
- if (new_nd.mnt->mnt_root != new_nd.dentry)
+ if (new_nd.lookup.path.mnt->mnt_root != new_nd.lookup.path.dentry)
goto out2; /* not a mountpoint */
- if (new_nd.mnt->mnt_parent == new_nd.mnt)
+ if (new_nd.lookup.path.mnt->mnt_parent == new_nd.lookup.path.mnt)
goto out2; /* not attached */
- tmp = old_nd.mnt; /* make sure we can reach put_old from new_root */
+ tmp = old_nd.lookup.path.mnt; /* make sure we can reach put_old from new_root */
spin_lock(&vfsmount_lock);
- if (tmp != new_nd.mnt) {
+ if (tmp != new_nd.lookup.path.mnt) {
for (;;) {
if (tmp->mnt_parent == tmp)
goto out3; /* already mounted on put_old */
- if (tmp->mnt_parent == new_nd.mnt)
+ if (tmp->mnt_parent == new_nd.lookup.path.mnt)
break;
tmp = tmp->mnt_parent;
}
- if (!is_subdir(tmp->mnt_mountpoint, new_nd.dentry))
+ if (!is_subdir(tmp->mnt_mountpoint, new_nd.lookup.path.dentry))
goto out3;
- } else if (!is_subdir(old_nd.dentry, new_nd.dentry))
+ } else if (!is_subdir(old_nd.lookup.path.dentry, new_nd.lookup.path.dentry))
goto out3;
- detach_mnt(new_nd.mnt, &parent_nd);
- detach_mnt(user_nd.mnt, &root_parent);
- attach_mnt(user_nd.mnt, &old_nd); /* mount old root on put_old */
- attach_mnt(new_nd.mnt, &root_parent); /* mount new_root on / */
+ detach_mnt(new_nd.lookup.path.mnt, &parent_nd);
+ detach_mnt(user_nd.lookup.path.mnt, &root_parent);
+ attach_mnt(user_nd.lookup.path.mnt, &old_nd); /* mount old root on put_old */
+ attach_mnt(new_nd.lookup.path.mnt, &root_parent); /* mount new_root on / */
touch_mnt_namespace(current->nsproxy->mnt_ns);
spin_unlock(&vfsmount_lock);
chroot_fs_refs(&user_nd, &new_nd);
@@ -1751,7 +1751,7 @@ asmlinkage long sys_pivot_root(const cha
path_release(&root_parent);
path_release(&parent_nd);
out2:
- mutex_unlock(&old_nd.dentry->d_inode->i_mutex);
+ mutex_unlock(&old_nd.lookup.path.dentry->d_inode->i_mutex);
up_write(&namespace_sem);
path_release(&user_nd);
path_release(&old_nd);
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -689,9 +689,9 @@ static inline void nfs_renew_times(struc
*/
static inline unsigned int nfs_lookup_check_intent(struct nameidata *nd, unsigned int mask)
{
- if (nd->flags & (LOOKUP_CONTINUE|LOOKUP_PARENT))
+ if (nd->lookup.flags & (LOOKUP_CONTINUE|LOOKUP_PARENT))
return 0;
- return nd->flags & mask;
+ return nd->lookup.flags & mask;
}
/*
@@ -709,7 +709,7 @@ int nfs_lookup_verify_inode(struct inode
if (nd != NULL) {
/* VFS wants an on-the-wire revalidation */
- if (nd->flags & LOOKUP_REVAL)
+ if (nd->lookup.flags & LOOKUP_REVAL)
goto out_force;
/* This is an open(2) */
if (nfs_lookup_check_intent(nd, LOOKUP_OPEN) != 0 &&
@@ -894,7 +894,7 @@ int nfs_is_exclusive_create(struct inode
return 0;
if (nd == NULL || nfs_lookup_check_intent(nd, LOOKUP_CREATE) == 0)
return 0;
- return (nd->intent.open.flags & O_EXCL) != 0;
+ return (nd->lookup.intent.open.flags & O_EXCL) != 0;
}
static inline int nfs_reval_fsid(struct inode *dir, const struct nfs_fattr *fattr)
@@ -994,10 +994,10 @@ static int is_atomic_open(struct inode *
if (nd == NULL || nfs_lookup_check_intent(nd, LOOKUP_OPEN) == 0)
return 0;
/* NFS does not (yet) have a stateful open for directories */
- if (nd->flags & LOOKUP_DIRECTORY)
+ if (nd->lookup.flags & LOOKUP_DIRECTORY)
return 0;
/* Are we trying to write to a read only partition? */
- if (IS_RDONLY(dir) && (nd->intent.open.flags & (O_CREAT|O_TRUNC|FMODE_WRITE)))
+ if (IS_RDONLY(dir) && (nd->lookup.intent.open.flags & (O_CREAT|O_TRUNC|FMODE_WRITE)))
return 0;
return 1;
}
@@ -1021,7 +1021,7 @@ static struct dentry *nfs_atomic_lookup(
dentry->d_op = NFS_PROTO(dir)->dentry_ops;
/* Let vfs_create() deal with O_EXCL */
- if (nd->intent.open.flags & O_EXCL) {
+ if (nd->lookup.intent.open.flags & O_EXCL) {
d_add(dentry, NULL);
goto out;
}
@@ -1036,7 +1036,7 @@ static struct dentry *nfs_atomic_lookup(
goto out;
}
- if (nd->intent.open.flags & O_CREAT) {
+ if (nd->lookup.intent.open.flags & O_CREAT) {
nfs_begin_data_update(dir);
res = nfs4_atomic_open(dir, dentry, nd);
nfs_end_data_update(dir);
@@ -1055,7 +1055,7 @@ static struct dentry *nfs_atomic_lookup(
case -ENOTDIR:
goto no_open;
case -ELOOP:
- if (!(nd->intent.open.flags & O_NOFOLLOW))
+ if (!(nd->lookup.intent.open.flags & O_NOFOLLOW))
goto no_open;
/* case -EINVAL: */
default:
@@ -1091,7 +1091,7 @@ static int nfs_open_revalidate(struct de
/* NFS only supports OPEN on regular files */
if (!S_ISREG(inode->i_mode))
goto no_open;
- openflags = nd->intent.open.flags;
+ openflags = nd->lookup.intent.open.flags;
/* We cannot do exclusive creation on a positive dentry */
if ((openflags & (O_CREAT|O_EXCL)) == (O_CREAT|O_EXCL))
goto no_open;
@@ -1243,8 +1243,8 @@ static int nfs_create(struct inode *dir,
attr.ia_mode = mode;
attr.ia_valid = ATTR_MODE;
- if ((nd->flags & LOOKUP_CREATE) != 0)
- open_flags = nd->intent.open.flags;
+ if ((nd->lookup.flags & LOOKUP_CREATE) != 0)
+ open_flags = nd->lookup.intent.open.flags;
lock_kernel();
nfs_begin_data_update(dir);
@@ -1965,7 +1965,7 @@ int nfs_permission(struct inode *inode,
if (mask == 0)
goto out;
/* Is this sys_access() ? */
- if (nd != NULL && (nd->flags & LOOKUP_ACCESS))
+ if (nd != NULL && (nd->lookup.flags & LOOKUP_ACCESS))
goto force_lookup;
switch (inode->i_mode & S_IFMT) {
@@ -1975,7 +1975,7 @@ int nfs_permission(struct inode *inode,
/* NFSv4 has atomic_open... */
if (nfs_server_capable(inode, NFS_CAP_ATOMIC_OPEN)
&& nd != NULL
- && (nd->flags & LOOKUP_OPEN))
+ && (nd->lookup.flags & LOOKUP_OPEN))
goto out;
break;
case S_IFDIR:
--- a/fs/nfs/namespace.c
+++ b/fs/nfs/namespace.c
@@ -107,38 +107,38 @@ static void * nfs_follow_mountpoint(stru
BUG_ON(IS_ROOT(dentry));
dprintk("%s: enter\n", __FUNCTION__);
- dput(nd->dentry);
- nd->dentry = dget(dentry);
+ dput(nd->lookup.path.dentry);
+ nd->lookup.path.dentry = dget(dentry);
/* Look it up again */
- parent = dget_parent(nd->dentry);
+ parent = dget_parent(nd->lookup.path.dentry);
err = server->nfs_client->rpc_ops->lookup(parent->d_inode,
- &nd->dentry->d_name,
+ &nd->lookup.path.dentry->d_name,
&fh, &fattr);
dput(parent);
if (err != 0)
goto out_err;
if (fattr.valid & NFS_ATTR_FATTR_V4_REFERRAL)
- mnt = nfs_do_refmount(nd->mnt, nd->dentry);
+ mnt = nfs_do_refmount(nd->lookup.path.mnt, nd->lookup.path.dentry);
else
- mnt = nfs_do_submount(nd->mnt, nd->dentry, &fh, &fattr);
+ mnt = nfs_do_submount(nd->lookup.path.mnt, nd->lookup.path.dentry, &fh, &fattr);
err = PTR_ERR(mnt);
if (IS_ERR(mnt))
goto out_err;
mntget(mnt);
- err = do_add_mount(mnt, nd, nd->mnt->mnt_flags|MNT_SHRINKABLE, &nfs_automount_list);
+ err = do_add_mount(mnt, nd, nd->lookup.path.mnt->mnt_flags|MNT_SHRINKABLE, &nfs_automount_list);
if (err < 0) {
mntput(mnt);
if (err == -EBUSY)
goto out_follow;
goto out_err;
}
- mntput(nd->mnt);
- dput(nd->dentry);
- nd->mnt = mnt;
- nd->dentry = dget(mnt->mnt_root);
+ mntput(nd->lookup.path.mnt);
+ dput(nd->lookup.path.dentry);
+ nd->lookup.path.mnt = mnt;
+ nd->lookup.path.dentry = dget(mnt->mnt_root);
schedule_delayed_work(&nfs_automount_task, nfs_mountpoint_expiry_timeout);
out:
dprintk("%s: done, returned %d\n", __FUNCTION__, err);
@@ -149,7 +149,7 @@ out_err:
path_release(nd);
goto out;
out_follow:
- while(d_mountpoint(nd->dentry) && follow_down(&nd->mnt, &nd->dentry))
+ while(d_mountpoint(nd->lookup.path.dentry) && follow_down(&nd->lookup.path.mnt, &nd->lookup.path.dentry))
;
err = 0;
goto out;
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1382,10 +1382,10 @@ static int nfs4_intent_set_file(struct n
int ret;
/* If the open_intent is for execute, we have an extra check to make */
- if (nd->intent.open.flags & FMODE_EXEC) {
+ if (nd->lookup.intent.open.flags & FMODE_EXEC) {
ret = _nfs4_do_access(state->inode,
state->owner->so_cred,
- nd->intent.open.flags);
+ nd->lookup.intent.open.flags);
if (ret < 0)
goto out_close;
}
@@ -1398,7 +1398,7 @@ static int nfs4_intent_set_file(struct n
}
ret = PTR_ERR(filp);
out_close:
- nfs4_close_state(path, state, nd->intent.open.flags);
+ nfs4_close_state(path, state, nd->lookup.intent.open.flags);
return ret;
}
@@ -1406,7 +1406,7 @@ struct dentry *
nfs4_atomic_open(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
{
struct path path = {
- .mnt = nd->mnt,
+ .mnt = nd->lookup.path.mnt,
.dentry = dentry,
};
struct iattr attr;
@@ -1414,20 +1414,20 @@ nfs4_atomic_open(struct inode *dir, stru
struct nfs4_state *state;
struct dentry *res;
- if (nd->flags & LOOKUP_CREATE) {
- attr.ia_mode = nd->intent.open.create_mode;
+ if (nd->lookup.flags & LOOKUP_CREATE) {
+ attr.ia_mode = nd->lookup.intent.open.create_mode;
attr.ia_valid = ATTR_MODE;
if (!IS_POSIXACL(dir))
attr.ia_mode &= ~current->fs->umask;
} else {
attr.ia_valid = 0;
- BUG_ON(nd->intent.open.flags & O_CREAT);
+ BUG_ON(nd->lookup.intent.open.flags & O_CREAT);
}
cred = rpcauth_lookupcred(NFS_CLIENT(dir)->cl_auth, 0);
if (IS_ERR(cred))
return (struct dentry *)cred;
- state = nfs4_do_open(dir, &path, nd->intent.open.flags, &attr, cred);
+ state = nfs4_do_open(dir, &path, nd->lookup.intent.open.flags, &attr, cred);
put_rpccred(cred);
if (IS_ERR(state)) {
if (PTR_ERR(state) == -ENOENT)
@@ -1445,7 +1445,7 @@ int
nfs4_open_revalidate(struct inode *dir, struct dentry *dentry, int openflags, struct nameidata *nd)
{
struct path path = {
- .mnt = nd->mnt,
+ .mnt = nd->lookup.path.mnt,
.dentry = dentry,
};
struct rpc_cred *cred;
@@ -1888,7 +1888,7 @@ nfs4_proc_create(struct inode *dir, stru
int flags, struct nameidata *nd)
{
struct path path = {
- .mnt = nd->mnt,
+ .mnt = nd->lookup.path.mnt,
.dentry = dentry,
};
struct nfs4_state *state;
@@ -1914,7 +1914,7 @@ nfs4_proc_create(struct inode *dir, stru
nfs_setattr_update_inode(state->inode, sattr);
nfs_post_op_update_inode(state->inode, &fattr);
}
- if (status == 0 && (nd->flags & LOOKUP_OPEN) != 0)
+ if (status == 0 && (nd->lookup.flags & LOOKUP_OPEN) != 0)
status = nfs4_intent_set_file(nd, &path, state);
else
nfs4_close_state(&path, state, flags);
--- a/fs/nfsctl.c
+++ b/fs/nfsctl.c
@@ -41,7 +41,7 @@ static struct file *do_open(char *name,
error = may_open(&nd, MAY_WRITE, FMODE_WRITE);
if (!error)
- return dentry_open(nd.dentry, nd.mnt, flags);
+ return dentry_open(nd.lookup.path.dentry, nd.lookup.path.mnt, flags);
path_release(&nd);
return ERR_PTR(error);
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -169,8 +169,8 @@ static int expkey_parse(struct cache_det
goto out;
dprintk("Found the path %s\n", buf);
- key.ek_mnt = nd.mnt;
- key.ek_dentry = nd.dentry;
+ key.ek_mnt = nd.lookup.path.mnt;
+ key.ek_dentry = nd.lookup.path.dentry;
ek = svc_expkey_update(&key, ek);
if (ek)
@@ -509,7 +509,7 @@ static int svc_export_parse(struct cache
struct svc_export exp, *expp;
int an_int;
- nd.dentry = NULL;
+ nd.lookup.path.dentry = NULL;
exp.ex_path = NULL;
/* fs locations */
@@ -549,8 +549,8 @@ static int svc_export_parse(struct cache
exp.h.flags = 0;
exp.ex_client = dom;
- exp.ex_mnt = nd.mnt;
- exp.ex_dentry = nd.dentry;
+ exp.ex_mnt = nd.lookup.path.mnt;
+ exp.ex_dentry = nd.lookup.path.dentry;
exp.ex_path = kstrdup(buf, GFP_KERNEL);
err = -ENOMEM;
if (!exp.ex_path)
@@ -612,7 +612,7 @@ static int svc_export_parse(struct cache
goto out;
}
- err = check_export(nd.dentry->d_inode, exp.ex_flags,
+ err = check_export(nd.lookup.path.dentry->d_inode, exp.ex_flags,
exp.ex_uuid);
if (err) goto out;
}
@@ -631,7 +631,7 @@ static int svc_export_parse(struct cache
nfsd4_fslocs_free(&exp.ex_fslocs);
kfree(exp.ex_uuid);
kfree(exp.ex_path);
- if (nd.dentry)
+ if (nd.lookup.path.dentry)
path_release(&nd);
out_no_path:
if (dom)
@@ -1032,7 +1032,7 @@ exp_export(struct nfsctl_export *nxp)
goto out_unlock;
err = -EINVAL;
- exp = exp_get_by_name(clp, nd.mnt, nd.dentry, NULL);
+ exp = exp_get_by_name(clp, nd.lookup.path.mnt, nd.lookup.path.dentry, NULL);
memset(&new, 0, sizeof(new));
@@ -1040,7 +1040,7 @@ exp_export(struct nfsctl_export *nxp)
if ((nxp->ex_flags & NFSEXP_FSID) &&
(!IS_ERR(fsid_key = exp_get_fsid_key(clp, nxp->ex_dev))) &&
fsid_key->ek_mnt &&
- (fsid_key->ek_mnt != nd.mnt || fsid_key->ek_dentry != nd.dentry) )
+ (fsid_key->ek_mnt != nd.lookup.path.mnt || fsid_key->ek_dentry != nd.lookup.path.dentry) )
goto finish;
if (!IS_ERR(exp)) {
@@ -1056,7 +1056,7 @@ exp_export(struct nfsctl_export *nxp)
goto finish;
}
- err = check_export(nd.dentry->d_inode, nxp->ex_flags, NULL);
+ err = check_export(nd.lookup.path.dentry->d_inode, nxp->ex_flags, NULL);
if (err) goto finish;
err = -ENOMEM;
@@ -1069,8 +1069,8 @@ exp_export(struct nfsctl_export *nxp)
if (!new.ex_path)
goto finish;
new.ex_client = clp;
- new.ex_mnt = nd.mnt;
- new.ex_dentry = nd.dentry;
+ new.ex_mnt = nd.lookup.path.mnt;
+ new.ex_dentry = nd.lookup.path.dentry;
new.ex_flags = nxp->ex_flags;
new.ex_anon_uid = nxp->ex_anon_uid;
new.ex_anon_gid = nxp->ex_anon_gid;
@@ -1150,7 +1150,7 @@ exp_unexport(struct nfsctl_export *nxp)
goto out_domain;
err = -EINVAL;
- exp = exp_get_by_name(dom, nd.mnt, nd.dentry, NULL);
+ exp = exp_get_by_name(dom, nd.lookup.path.mnt, nd.lookup.path.dentry, NULL);
path_release(&nd);
if (IS_ERR(exp))
goto out_domain;
@@ -1187,12 +1187,12 @@ exp_rootfh(svc_client *clp, char *path,
printk("nfsd: exp_rootfh path not found %s", path);
return err;
}
- inode = nd.dentry->d_inode;
+ inode = nd.lookup.path.dentry->d_inode;
dprintk("nfsd: exp_rootfh(%s [%p] %s:%s/%ld)\n",
- path, nd.dentry, clp->name,
+ path, nd.lookup.path.dentry, clp->name,
inode->i_sb->s_id, inode->i_ino);
- exp = exp_parent(clp, nd.mnt, nd.dentry, NULL);
+ exp = exp_parent(clp, nd.lookup.path.mnt, nd.lookup.path.dentry, NULL);
if (IS_ERR(exp)) {
err = PTR_ERR(exp);
goto out;
@@ -1202,7 +1202,7 @@ exp_rootfh(svc_client *clp, char *path,
* fh must be initialized before calling fh_compose
*/
fh_init(&fh, maxsize);
- if (fh_compose(&fh, exp, nd.dentry, NULL))
+ if (fh_compose(&fh, exp, nd.lookup.path.dentry, NULL))
err = -EINVAL;
else
err = 0;
--- a/fs/nfsd/nfs4recover.c
+++ b/fs/nfsd/nfs4recover.c
@@ -122,9 +122,9 @@ out_no_tfm:
static void
nfsd4_sync_rec_dir(void)
{
- mutex_lock(&rec_dir.dentry->d_inode->i_mutex);
- nfsd_sync_dir(rec_dir.dentry);
- mutex_unlock(&rec_dir.dentry->d_inode->i_mutex);
+ mutex_lock(&rec_dir.lookup.path.dentry->d_inode->i_mutex);
+ nfsd_sync_dir(rec_dir.lookup.path.dentry);
+ mutex_unlock(&rec_dir.lookup.path.dentry->d_inode->i_mutex);
}
int
@@ -144,9 +144,9 @@ nfsd4_create_clid_dir(struct nfs4_client
nfs4_save_user(&uid, &gid);
/* lock the parent */
- mutex_lock(&rec_dir.dentry->d_inode->i_mutex);
+ mutex_lock(&rec_dir.lookup.path.dentry->d_inode->i_mutex);
- dentry = lookup_one_len(dname, rec_dir.dentry, HEXDIR_LEN-1);
+ dentry = lookup_one_len(dname, rec_dir.lookup.path.dentry, HEXDIR_LEN-1);
if (IS_ERR(dentry)) {
status = PTR_ERR(dentry);
goto out_unlock;
@@ -156,11 +156,11 @@ nfsd4_create_clid_dir(struct nfs4_client
dprintk("NFSD: nfsd4_create_clid_dir: DIRECTORY EXISTS\n");
goto out_put;
}
- status = vfs_mkdir(rec_dir.dentry->d_inode, dentry, S_IRWXU);
+ status = vfs_mkdir(rec_dir.lookup.path.dentry->d_inode, dentry, S_IRWXU);
out_put:
dput(dentry);
out_unlock:
- mutex_unlock(&rec_dir.dentry->d_inode->i_mutex);
+ mutex_unlock(&rec_dir.lookup.path.dentry->d_inode->i_mutex);
if (status == 0) {
clp->cl_firststate = 1;
nfsd4_sync_rec_dir();
@@ -223,7 +223,7 @@ nfsd4_list_rec_dir(struct dentry *dir, r
nfs4_save_user(&uid, &gid);
- filp = dentry_open(dget(dir), mntget(rec_dir.mnt), O_RDONLY);
+ filp = dentry_open(dget(dir), mntget(rec_dir.lookup.path.mnt), O_RDONLY);
status = PTR_ERR(filp);
if (IS_ERR(filp))
goto out;
@@ -288,9 +288,9 @@ nfsd4_unlink_clid_dir(char *name, int na
dprintk("NFSD: nfsd4_unlink_clid_dir. name %.*s\n", namlen, name);
- mutex_lock(&rec_dir.dentry->d_inode->i_mutex);
- dentry = lookup_one_len(name, rec_dir.dentry, namlen);
- mutex_unlock(&rec_dir.dentry->d_inode->i_mutex);
+ mutex_lock(&rec_dir.lookup.path.dentry->d_inode->i_mutex);
+ dentry = lookup_one_len(name, rec_dir.lookup.path.dentry, namlen);
+ mutex_unlock(&rec_dir.lookup.path.dentry->d_inode->i_mutex);
if (IS_ERR(dentry)) {
status = PTR_ERR(dentry);
return status;
@@ -299,7 +299,7 @@ nfsd4_unlink_clid_dir(char *name, int na
if (!dentry->d_inode)
goto out;
- status = nfsd4_clear_clid_dir(rec_dir.dentry, dentry);
+ status = nfsd4_clear_clid_dir(rec_dir.lookup.path.dentry, dentry);
out:
dput(dentry);
return status;
@@ -349,12 +349,12 @@ nfsd4_recdir_purge_old(void) {
if (!rec_dir_init)
return;
- status = nfsd4_list_rec_dir(rec_dir.dentry, purge_old);
+ status = nfsd4_list_rec_dir(rec_dir.lookup.path.dentry, purge_old);
if (status == 0)
nfsd4_sync_rec_dir();
if (status)
printk("nfsd4: failed to purge old clients from recovery"
- " directory %s\n", rec_dir.dentry->d_name.name);
+ " directory %s\n", rec_dir.lookup.path.dentry->d_name.name);
return;
}
@@ -375,10 +375,10 @@ int
nfsd4_recdir_load(void) {
int status;
- status = nfsd4_list_rec_dir(rec_dir.dentry, load_recdir);
+ status = nfsd4_list_rec_dir(rec_dir.lookup.path.dentry, load_recdir);
if (status)
printk("nfsd4: failed loading clients from recovery"
- " directory %s\n", rec_dir.dentry->d_name.name);
+ " directory %s\n", rec_dir.lookup.path.dentry->d_name.name);
return status;
}
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3338,7 +3338,7 @@ nfs4_reset_recoverydir(char *recdir)
if (status)
return status;
status = -ENOTDIR;
- if (S_ISDIR(nd.dentry->d_inode->i_mode)) {
+ if (S_ISDIR(nd.lookup.path.dentry->d_inode->i_mode)) {
nfs4_set_recdir(recdir);
status = 0;
}
--- a/fs/open.c
+++ b/fs/open.c
@@ -127,7 +127,7 @@ asmlinkage long sys_statfs(const char __
error = user_path_walk(path, &nd);
if (!error) {
struct statfs tmp;
- error = vfs_statfs_native(nd.dentry, &tmp);
+ error = vfs_statfs_native(nd.lookup.path.dentry, &tmp);
if (!error && copy_to_user(buf, &tmp, sizeof(tmp)))
error = -EFAULT;
path_release(&nd);
@@ -146,7 +146,7 @@ asmlinkage long sys_statfs64(const char
error = user_path_walk(path, &nd);
if (!error) {
struct statfs64 tmp;
- error = vfs_statfs64(nd.dentry, &tmp);
+ error = vfs_statfs64(nd.lookup.path.dentry, &tmp);
if (!error && copy_to_user(buf, &tmp, sizeof(tmp)))
error = -EFAULT;
path_release(&nd);
@@ -233,7 +233,7 @@ static long do_sys_truncate(const char _
error = user_path_walk(path, &nd);
if (error)
goto out;
- inode = nd.dentry->d_inode;
+ inode = nd.lookup.path.dentry->d_inode;
/* For directories it's -EISDIR, for other non-regulars - -EINVAL */
error = -EISDIR;
@@ -271,7 +271,7 @@ static long do_sys_truncate(const char _
error = locks_verify_truncate(inode, NULL, length);
if (!error) {
DQUOT_INIT(inode);
- error = do_truncate(nd.dentry, length, 0, NULL);
+ error = do_truncate(nd.lookup.path.dentry, length, 0, NULL);
}
put_write_and_out:
@@ -455,10 +455,10 @@ asmlinkage long sys_faccessat(int dfd, c
res = vfs_permission(&nd, mode);
/* SuS v2 requires we report a read only fs too */
if(res || !(mode & S_IWOTH) ||
- special_file(nd.dentry->d_inode->i_mode))
+ special_file(nd.lookup.path.dentry->d_inode->i_mode))
goto out_path_release;
- if(IS_RDONLY(nd.dentry->d_inode))
+ if(IS_RDONLY(nd.lookup.path.dentry->d_inode))
res = -EROFS;
out_path_release:
@@ -490,7 +490,7 @@ asmlinkage long sys_chdir(const char __u
if (error)
goto dput_and_out;
- set_fs_pwd(current->fs, nd.mnt, nd.dentry);
+ set_fs_pwd(current->fs, nd.lookup.path.mnt, nd.lookup.path.dentry);
dput_and_out:
path_release(&nd);
@@ -545,7 +545,7 @@ asmlinkage long sys_chroot(const char __
if (!capable(CAP_SYS_CHROOT))
goto dput_and_out;
- set_fs_root(current->fs, nd.mnt, nd.dentry);
+ set_fs_root(current->fs, nd.lookup.path.mnt, nd.lookup.path.dentry);
set_fs_altroot();
error = 0;
dput_and_out:
@@ -602,7 +602,7 @@ asmlinkage long sys_fchmodat(int dfd, co
error = __user_walk_fd(dfd, filename, LOOKUP_FOLLOW, &nd);
if (error)
goto out;
- inode = nd.dentry->d_inode;
+ inode = nd.lookup.path.dentry->d_inode;
error = -EROFS;
if (IS_RDONLY(inode))
@@ -617,7 +617,7 @@ asmlinkage long sys_fchmodat(int dfd, co
mode = inode->i_mode;
newattrs.ia_mode = (mode & S_IALLUGO) | (inode->i_mode & ~S_IALLUGO);
newattrs.ia_valid = ATTR_MODE | ATTR_CTIME;
- error = notify_change(nd.dentry, &newattrs);
+ error = notify_change(nd.lookup.path.dentry, &newattrs);
mutex_unlock(&inode->i_mutex);
dput_and_out:
@@ -674,7 +674,7 @@ asmlinkage long sys_chown(const char __u
error = user_path_walk(filename, &nd);
if (error)
goto out;
- error = chown_common(nd.dentry, user, group);
+ error = chown_common(nd.lookup.path.dentry, user, group);
path_release(&nd);
out:
return error;
@@ -694,7 +694,7 @@ asmlinkage long sys_fchownat(int dfd, co
error = __user_walk_fd(dfd, filename, follow, &nd);
if (error)
goto out;
- error = chown_common(nd.dentry, user, group);
+ error = chown_common(nd.lookup.path.dentry, user, group);
path_release(&nd);
out:
return error;
@@ -708,7 +708,7 @@ asmlinkage long sys_lchown(const char __
error = user_path_walk_link(filename, &nd);
if (error)
goto out;
- error = chown_common(nd.dentry, user, group);
+ error = chown_common(nd.lookup.path.dentry, user, group);
path_release(&nd);
out:
return error;
@@ -846,7 +846,7 @@ EXPORT_SYMBOL(filp_open);
* (e.g. in fifo_open), leaving you with parent locked (and in case of fifo,
* leading to a deadlock, as nobody can open that fifo anymore, because
* another process to open fifo will block on locked parent when doing lookup).
- * Note that in case of error, nd->intent.open.file is destroyed, but the
+ * Note that in case of error, nd->lookup.intent.open.file is destroyed, but the
* path information remains valid.
* If the open callback is set to NULL, then the standard f_op->open()
* filesystem callback is substituted.
@@ -854,19 +854,19 @@ EXPORT_SYMBOL(filp_open);
struct file *lookup_instantiate_filp(struct nameidata *nd, struct dentry *dentry,
int (*open)(struct inode *, struct file *))
{
- if (IS_ERR(nd->intent.open.file))
+ if (IS_ERR(nd->lookup.intent.open.file))
goto out;
if (IS_ERR(dentry))
goto out_err;
- nd->intent.open.file = __dentry_open(dget(dentry), mntget(nd->mnt),
- nd->intent.open.flags - 1,
- nd->intent.open.file,
+ nd->lookup.intent.open.file = __dentry_open(dget(dentry), mntget(nd->lookup.path.mnt),
+ nd->lookup.intent.open.flags - 1,
+ nd->lookup.intent.open.file,
open);
out:
- return nd->intent.open.file;
+ return nd->lookup.intent.open.file;
out_err:
release_open_intent(nd);
- nd->intent.open.file = (struct file *)dentry;
+ nd->lookup.intent.open.file = (struct file *)dentry;
goto out;
}
EXPORT_SYMBOL_GPL(lookup_instantiate_filp);
@@ -883,10 +883,10 @@ struct file *nameidata_to_filp(struct na
struct file *filp;
/* Pick up the filp from the open intent */
- filp = nd->intent.open.file;
+ filp = nd->lookup.intent.open.file;
/* Has the filesystem initialised the file for us? */
if (filp->f_path.dentry == NULL)
- filp = __dentry_open(nd->dentry, nd->mnt, flags, filp, NULL);
+ filp = __dentry_open(nd->lookup.path.dentry, nd->lookup.path.mnt, flags, filp, NULL);
else
path_release(nd);
return filp;
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -944,7 +944,7 @@ static void *proc_pid_follow_link(struct
if (!proc_fd_access_allowed(inode))
goto out;
- error = PROC_I(inode)->op.proc_get_link(inode, &nd->dentry, &nd->mnt);
+ error = PROC_I(inode)->op.proc_get_link(inode, &nd->lookup.path.dentry, &nd->lookup.path.mnt);
nd->last_type = LAST_BIND;
out:
return ERR_PTR(error);
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -405,7 +405,7 @@ static int proc_sys_permission(struct in
if (!nd || !depth)
goto out;
- dentry = nd->dentry;
+ dentry = nd->lookup.path.dentry;
table = do_proc_sys_lookup(dentry->d_parent, &dentry->d_name, &head);
/* If the entry does not exist deny permission */
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -1982,12 +1982,12 @@ static int reiserfs_quota_on(struct supe
if (err)
return err;
/* Quotafile not on the same filesystem? */
- if (nd.mnt->mnt_sb != sb) {
+ if (nd.lookup.path.mnt->mnt_sb != sb) {
path_release(&nd);
return -EXDEV;
}
/* We must not pack tails for quota files on reiserfs for quota IO to work */
- if (!REISERFS_I(nd.dentry->d_inode)->i_flags & i_nopack_mask) {
+ if (!REISERFS_I(nd.lookup.path.dentry->d_inode)->i_flags & i_nopack_mask) {
reiserfs_warning(sb,
"reiserfs: Quota file must have tail packing disabled.");
path_release(&nd);
@@ -2000,7 +2000,7 @@ static int reiserfs_quota_on(struct supe
return vfs_quota_on(sb, type, format_id, path);
}
/* Quotafile not of fs root? */
- if (nd.dentry->d_parent->d_inode != sb->s_root->d_inode)
+ if (nd.lookup.path.dentry->d_parent->d_inode != sb->s_root->d_inode)
reiserfs_warning(sb,
"reiserfs: Quota file not on filesystem root. "
"Journalled quota will not work.");
--- a/fs/stat.c
+++ b/fs/stat.c
@@ -62,7 +62,7 @@ int vfs_stat_fd(int dfd, char __user *na
error = __user_walk_fd(dfd, name, LOOKUP_FOLLOW, &nd);
if (!error) {
- error = vfs_getattr(nd.mnt, nd.dentry, stat);
+ error = vfs_getattr(nd.lookup.path.mnt, nd.lookup.path.dentry, stat);
path_release(&nd);
}
return error;
@@ -82,7 +82,7 @@ int vfs_lstat_fd(int dfd, char __user *n
error = __user_walk_fd(dfd, name, 0, &nd);
if (!error) {
- error = vfs_getattr(nd.mnt, nd.dentry, stat);
+ error = vfs_getattr(nd.lookup.path.mnt, nd.lookup.path.dentry, stat);
path_release(&nd);
}
return error;
@@ -302,14 +302,14 @@ asmlinkage long sys_readlinkat(int dfd,
error = __user_walk_fd(dfd, path, 0, &nd);
if (!error) {
- struct inode * inode = nd.dentry->d_inode;
+ struct inode * inode = nd.lookup.path.dentry->d_inode;
error = -EINVAL;
if (inode->i_op && inode->i_op->readlink) {
- error = security_inode_readlink(nd.dentry);
+ error = security_inode_readlink(nd.lookup.path.dentry);
if (!error) {
- touch_atime(nd.mnt, nd.dentry);
- error = inode->i_op->readlink(nd.dentry, buf, bufsiz);
+ touch_atime(nd.lookup.path.mnt, nd.lookup.path.dentry);
+ error = inode->i_op->readlink(nd.lookup.path.dentry, buf, bufsiz);
}
}
path_release(&nd);
--- a/fs/utimes.c
+++ b/fs/utimes.c
@@ -70,7 +70,7 @@ long do_utimes(int dfd, char __user *fil
if (error)
goto out;
- dentry = nd.dentry;
+ dentry = nd.lookup.path.dentry;
}
inode = dentry->d_inode;
--- a/fs/vfat/namei.c
+++ b/fs/vfat/namei.c
@@ -30,7 +30,7 @@ static int vfat_revalidate(struct dentry
int ret = 1;
if (!dentry->d_inode &&
- nd && !(nd->flags & LOOKUP_CONTINUE) && (nd->flags & LOOKUP_CREATE))
+ nd && !(nd->lookup.flags & LOOKUP_CONTINUE) && (nd->lookup.flags & LOOKUP_CREATE))
/*
* negative dentry is dropped, in order to make sure
* to use the name which a user desires if this is
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -235,7 +235,7 @@ sys_setxattr(char __user *path, char __u
error = user_path_walk(path, &nd);
if (error)
return error;
- error = setxattr(nd.dentry, name, value, size, flags);
+ error = setxattr(nd.lookup.path.dentry, name, value, size, flags);
path_release(&nd);
return error;
}
@@ -250,7 +250,7 @@ sys_lsetxattr(char __user *path, char __
error = user_path_walk_link(path, &nd);
if (error)
return error;
- error = setxattr(nd.dentry, name, value, size, flags);
+ error = setxattr(nd.lookup.path.dentry, name, value, size, flags);
path_release(&nd);
return error;
}
@@ -320,7 +320,7 @@ sys_getxattr(char __user *path, char __u
error = user_path_walk(path, &nd);
if (error)
return error;
- error = getxattr(nd.dentry, name, value, size);
+ error = getxattr(nd.lookup.path.dentry, name, value, size);
path_release(&nd);
return error;
}
@@ -335,7 +335,7 @@ sys_lgetxattr(char __user *path, char __
error = user_path_walk_link(path, &nd);
if (error)
return error;
- error = getxattr(nd.dentry, name, value, size);
+ error = getxattr(nd.lookup.path.dentry, name, value, size);
path_release(&nd);
return error;
}
@@ -394,7 +394,7 @@ sys_listxattr(char __user *path, char __
error = user_path_walk(path, &nd);
if (error)
return error;
- error = listxattr(nd.dentry, list, size);
+ error = listxattr(nd.lookup.path.dentry, list, size);
path_release(&nd);
return error;
}
@@ -408,7 +408,7 @@ sys_llistxattr(char __user *path, char _
error = user_path_walk_link(path, &nd);
if (error)
return error;
- error = listxattr(nd.dentry, list, size);
+ error = listxattr(nd.lookup.path.dentry, list, size);
path_release(&nd);
return error;
}
@@ -455,7 +455,7 @@ sys_removexattr(char __user *path, char
error = user_path_walk(path, &nd);
if (error)
return error;
- error = removexattr(nd.dentry, name);
+ error = removexattr(nd.lookup.path.dentry, name);
path_release(&nd);
return error;
}
@@ -469,7 +469,7 @@ sys_lremovexattr(char __user *path, char
error = user_path_walk_link(path, &nd);
if (error)
return error;
- error = removexattr(nd.dentry, name);
+ error = removexattr(nd.lookup.path.dentry, name);
path_release(&nd);
return error;
}
--- a/fs/xfs/linux-2.6/xfs_ioctl.c
+++ b/fs/xfs/linux-2.6/xfs_ioctl.c
@@ -91,9 +91,9 @@ xfs_find_handle(
if (error)
return error;
- ASSERT(nd.dentry);
- ASSERT(nd.dentry->d_inode);
- inode = igrab(nd.dentry->d_inode);
+ ASSERT(nd.lookup.path.dentry);
+ ASSERT(nd.lookup.path.dentry->d_inode);
+ inode = igrab(nd.lookup.path.dentry->d_inode);
path_release(&nd);
break;
}
--- a/kernel/auditfilter.c
+++ b/kernel/auditfilter.c
@@ -167,7 +167,7 @@ static struct audit_parent *audit_init_p
inotify_init_watch(&parent->wdata);
/* grab a ref so inotify watch hangs around until we take audit_filter_mutex */
get_inotify_watch(&parent->wdata);
- wd = inotify_add_watch(audit_ih, &parent->wdata, ndp->dentry->d_inode,
+ wd = inotify_add_watch(audit_ih, &parent->wdata, ndp->lookup.path.dentry->d_inode,
AUDIT_IN_WATCH);
if (wd < 0) {
audit_free_parent(&parent->wdata);
@@ -1176,8 +1176,8 @@ static int audit_add_watch(struct audit_
/* update watch filter fields */
if (ndw) {
- watch->dev = ndw->dentry->d_inode->i_sb->s_dev;
- watch->ino = ndw->dentry->d_inode->i_ino;
+ watch->dev = ndw->lookup.path.dentry->d_inode->i_sb->s_dev;
+ watch->ino = ndw->lookup.path.dentry->d_inode->i_ino;
}
/* The audit_filter_mutex must not be held during inotify calls because
@@ -1187,7 +1187,7 @@ static int audit_add_watch(struct audit_
*/
mutex_unlock(&audit_filter_mutex);
- if (inotify_find_watch(audit_ih, ndp->dentry->d_inode, &i_watch) < 0) {
+ if (inotify_find_watch(audit_ih, ndp->lookup.path.dentry->d_inode, &i_watch) < 0) {
parent = audit_init_parent(ndp);
if (IS_ERR(parent)) {
/* caller expects mutex locked */
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -656,7 +656,7 @@ rpc_lookup_negative(char *path, struct n
if ((error = rpc_lookup_parent(path, nd)) != 0)
return ERR_PTR(error);
- dentry = rpc_lookup_create(nd->dentry, nd->last.name, nd->last.len, 1);
+ dentry = rpc_lookup_create(nd->lookup.path.dentry, nd->last.name, nd->last.len, 1);
if (IS_ERR(dentry))
rpc_release_path(nd);
return dentry;
@@ -674,7 +674,7 @@ rpc_mkdir(char *path, struct rpc_clnt *r
dentry = rpc_lookup_negative(path, &nd);
if (IS_ERR(dentry))
return dentry;
- dir = nd.dentry->d_inode;
+ dir = nd.lookup.path.dentry->d_inode;
if ((error = __rpc_mkdir(dir, dentry)) != 0)
goto err_dput;
RPC_I(dentry->d_inode)->private = rpc_client;
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -734,14 +734,14 @@ static struct sock *unix_find_other(stru
goto put_fail;
err = -ECONNREFUSED;
- if (!S_ISSOCK(nd.dentry->d_inode->i_mode))
+ if (!S_ISSOCK(nd.lookup.path.dentry->d_inode->i_mode))
goto put_fail;
- u=unix_find_socket_byinode(nd.dentry->d_inode);
+ u=unix_find_socket_byinode(nd.lookup.path.dentry->d_inode);
if (!u)
goto put_fail;
if (u->sk_type == type)
- touch_atime(nd.mnt, nd.dentry);
+ touch_atime(nd.lookup.path.mnt, nd.lookup.path.dentry);
path_release(&nd);
@@ -834,12 +834,12 @@ static int unix_bind(struct socket *sock
*/
mode = S_IFSOCK |
(SOCK_INODE(sock)->i_mode & ~current->fs->umask);
- err = vfs_mknod(nd.dentry->d_inode, dentry, mode, 0);
+ err = vfs_mknod(nd.lookup.path.dentry->d_inode, dentry, mode, 0);
if (err)
goto out_mknod_dput;
- mutex_unlock(&nd.dentry->d_inode->i_mutex);
- dput(nd.dentry);
- nd.dentry = dentry;
+ mutex_unlock(&nd.lookup.path.dentry->d_inode->i_mutex);
+ dput(nd.lookup.path.dentry);
+ nd.lookup.path.dentry = dentry;
addr->hash = UNIX_HASH_SIZE;
}
@@ -857,8 +857,8 @@ static int unix_bind(struct socket *sock
list = &unix_socket_table[addr->hash];
} else {
list = &unix_socket_table[dentry->d_inode->i_ino & (UNIX_HASH_SIZE-1)];
- u->dentry = nd.dentry;
- u->mnt = nd.mnt;
+ u->dentry = nd.lookup.path.dentry;
+ u->mnt = nd.lookup.path.mnt;
}
err = 0;
@@ -876,7 +876,7 @@ out:
out_mknod_dput:
dput(dentry);
out_mknod_unlock:
- mutex_unlock(&nd.dentry->d_inode->i_mutex);
+ mutex_unlock(&nd.lookup.path.dentry->d_inode->i_mutex);
path_release(&nd);
out_mknod_parent:
if (err==-EEXIST)
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -2084,10 +2084,10 @@ static int selinux_mount(char * dev_name
return rc;
if (flags & MS_REMOUNT)
- return superblock_has_perm(current, nd->mnt->mnt_sb,
+ return superblock_has_perm(current, nd->lookup.path.mnt->mnt_sb,
FILESYSTEM__REMOUNT, NULL);
else
- return dentry_has_perm(current, nd->mnt, nd->dentry,
+ return dentry_has_perm(current, nd->lookup.path.mnt, nd->lookup.path.dentry,
FILE__MOUNTON);
}
-
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