The vfsmount will be passed down to the LSM hook so that LSMs can compute
pathnames.
Signed-off-by: Tony Jones <[email protected]>
Signed-off-by: Andreas Gruenbacher <[email protected]>
Signed-off-by: John Johansen <[email protected]>
---
fs/ecryptfs/inode.c | 5 ++++-
fs/namei.c | 10 ++++++----
fs/nfsd/vfs.c | 3 ++-
include/linux/fs.h | 2 +-
net/unix/af_unix.c | 2 +-
5 files changed, 14 insertions(+), 8 deletions(-)
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -560,11 +560,14 @@ ecryptfs_mknod(struct inode *dir, struct
{
int rc;
struct dentry *lower_dentry;
+ struct vfsmount *lower_mnt;
struct dentry *lower_dir_dentry;
lower_dentry = ecryptfs_dentry_to_lower(dentry);
+ lower_mnt = ecryptfs_dentry_to_lower_mnt(dentry);
lower_dir_dentry = lock_parent(lower_dentry);
- rc = vfs_mknod(lower_dir_dentry->d_inode, lower_dentry, mode, dev);
+ rc = vfs_mknod(lower_dir_dentry->d_inode, lower_dentry, lower_mnt, mode,
+ dev);
if (rc || !lower_dentry->d_inode)
goto out;
rc = ecryptfs_interpose(lower_dentry, dentry, dir->i_sb, 0);
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1855,7 +1855,8 @@ fail:
}
EXPORT_SYMBOL_GPL(lookup_create);
-int vfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
+int vfs_mknod(struct inode *dir, struct dentry *dentry, struct vfsmount *mnt,
+ int mode, dev_t dev)
{
int error = may_create(dir, dentry, NULL);
@@ -1907,11 +1908,12 @@ asmlinkage long sys_mknodat(int dfd, con
error = vfs_create(nd.dentry->d_inode,dentry,mode,&nd);
break;
case S_IFCHR: case S_IFBLK:
- error = vfs_mknod(nd.dentry->d_inode,dentry,mode,
- new_decode_dev(dev));
+ error = vfs_mknod(nd.dentry->d_inode, dentry, nd.mnt,
+ 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.dentry->d_inode, dentry, nd.mnt,
+ mode, 0);
break;
case S_IFDIR:
error = -EPERM;
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1194,7 +1194,8 @@ nfsd_create(struct svc_rqst *rqstp, stru
case S_IFBLK:
case S_IFIFO:
case S_IFSOCK:
- host_err = vfs_mknod(dirp, dchild, iap->ia_mode, rdev);
+ host_err = vfs_mknod(dirp, dchild, exp->ex_mnt, iap->ia_mode,
+ rdev);
break;
default:
printk("nfsd: bad file type %o in nfsd_create\n", type);
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -994,7 +994,7 @@ extern void unlock_super(struct super_bl
extern int vfs_permission(struct nameidata *, int);
extern int vfs_create(struct inode *, struct dentry *, int, struct nameidata *);
extern int vfs_mkdir(struct inode *, struct dentry *, struct vfsmount *, int);
-extern int vfs_mknod(struct inode *, struct dentry *, int, dev_t);
+extern int vfs_mknod(struct inode *, struct dentry *, struct vfsmount *, int, dev_t);
extern int vfs_symlink(struct inode *, struct dentry *, const char *, int);
extern int vfs_link(struct dentry *, struct inode *, struct dentry *);
extern int vfs_rmdir(struct inode *, struct dentry *);
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -807,7 +807,7 @@ 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.dentry->d_inode, dentry, nd.mnt, mode, 0);
if (err)
goto out_mknod_dput;
mutex_unlock(&nd.dentry->d_inode->i_mutex);
--
-
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