>From b60623c238b6a819bd04090139704e2cb57a751f Mon Sep 17 00:00:00 2001
From: Steven Whitehouse <[email protected]>
Date: Wed, 1 Nov 2006 12:22:46 -0500
Subject: [PATCH] [GFS2] Shrink gfs2_inode (3) - di_mode
This removes the duplicate di_mode field in favour of using the
inode->i_mode field. This saves 4 bytes.
Signed-off-by: Steven Whitehouse <[email protected]>
---
fs/gfs2/acl.c | 16 ++++++++--------
fs/gfs2/bmap.c | 2 +-
fs/gfs2/eaops.c | 2 +-
fs/gfs2/eattr.c | 8 ++++----
fs/gfs2/glock.c | 2 +-
fs/gfs2/glops.c | 8 ++++----
fs/gfs2/inode.c | 18 +++++++-----------
fs/gfs2/inode.h | 2 +-
fs/gfs2/ondisk.c | 3 +--
fs/gfs2/ops_address.c | 1 -
fs/gfs2/ops_dentry.c | 2 +-
fs/gfs2/ops_file.c | 6 +++---
fs/gfs2/ops_inode.c | 17 ++++++++---------
fs/gfs2/ops_super.c | 2 +-
include/linux/gfs2_ondisk.h | 1 -
15 files changed, 41 insertions(+), 49 deletions(-)
diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c
index 906e403..87f6304 100644
--- a/fs/gfs2/acl.c
+++ b/fs/gfs2/acl.c
@@ -76,9 +76,9 @@ int gfs2_acl_validate_remove(struct gfs2
return -EOPNOTSUPP;
if (current->fsuid != ip->i_di.di_uid && !capable(CAP_FOWNER))
return -EPERM;
- if (S_ISLNK(ip->i_di.di_mode))
+ if (S_ISLNK(ip->i_inode.i_mode))
return -EOPNOTSUPP;
- if (!access && !S_ISDIR(ip->i_di.di_mode))
+ if (!access && !S_ISDIR(ip->i_inode.i_mode))
return -EACCES;
return 0;
@@ -198,8 +198,8 @@ static int munge_mode(struct gfs2_inode
error = gfs2_meta_inode_buffer(ip, &dibh);
if (!error) {
gfs2_assert_withdraw(sdp,
- (ip->i_di.di_mode & S_IFMT) == (mode & S_IFMT));
- ip->i_di.di_mode = mode;
+ (ip->i_inode.i_mode & S_IFMT) == (mode & S_IFMT));
+ ip->i_inode.i_mode = mode;
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
gfs2_dinode_out(ip, dibh->b_data);
brelse(dibh);
@@ -215,12 +215,12 @@ int gfs2_acl_create(struct gfs2_inode *d
struct gfs2_sbd *sdp = GFS2_SB(&dip->i_inode);
struct posix_acl *acl = NULL, *clone;
struct gfs2_ea_request er;
- mode_t mode = ip->i_di.di_mode;
+ mode_t mode = ip->i_inode.i_mode;
int error;
if (!sdp->sd_args.ar_posix_acl)
return 0;
- if (S_ISLNK(ip->i_di.di_mode))
+ if (S_ISLNK(ip->i_inode.i_mode))
return 0;
memset(&er, 0, sizeof(struct gfs2_ea_request));
@@ -232,7 +232,7 @@ int gfs2_acl_create(struct gfs2_inode *d
return error;
if (!acl) {
mode &= ~current->fs->umask;
- if (mode != ip->i_di.di_mode)
+ if (mode != ip->i_inode.i_mode)
error = munge_mode(ip, mode);
return error;
}
@@ -244,7 +244,7 @@ int gfs2_acl_create(struct gfs2_inode *d
posix_acl_release(acl);
acl = clone;
- if (S_ISDIR(ip->i_di.di_mode)) {
+ if (S_ISDIR(ip->i_inode.i_mode)) {
er.er_name = GFS2_POSIX_ACL_DEFAULT;
er.er_name_len = GFS2_POSIX_ACL_DEFAULT_LEN;
error = gfs2_system_eaops.eo_set(ip, &er);
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index 8c092ab..481a068 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -1109,7 +1109,7 @@ int gfs2_truncatei(struct gfs2_inode *ip
{
int error;
- if (gfs2_assert_warn(GFS2_SB(&ip->i_inode), S_ISREG(ip->i_di.di_mode)))
+ if (gfs2_assert_warn(GFS2_SB(&ip->i_inode), S_ISREG(ip->i_inode.i_mode)))
return -EINVAL;
if (size > ip->i_di.di_size)
diff --git a/fs/gfs2/eaops.c b/fs/gfs2/eaops.c
index 92c54e9..cd747c0 100644
--- a/fs/gfs2/eaops.c
+++ b/fs/gfs2/eaops.c
@@ -120,7 +120,7 @@ static int system_eo_set(struct gfs2_ino
if (GFS2_ACL_IS_ACCESS(er->er_name, er->er_name_len)) {
if (!(er->er_flags & GFS2_ERF_MODE)) {
- er->er_mode = ip->i_di.di_mode;
+ er->er_mode = ip->i_inode.i_mode;
er->er_flags |= GFS2_ERF_MODE;
}
error = gfs2_acl_validate_set(ip, 1, er,
diff --git a/fs/gfs2/eattr.c b/fs/gfs2/eattr.c
index 9b7bb56..5208fa9 100644
--- a/fs/gfs2/eattr.c
+++ b/fs/gfs2/eattr.c
@@ -711,9 +711,9 @@ static int ea_alloc_skeleton(struct gfs2
if (!error) {
if (er->er_flags & GFS2_ERF_MODE) {
gfs2_assert_withdraw(GFS2_SB(&ip->i_inode),
- (ip->i_di.di_mode & S_IFMT) ==
+ (ip->i_inode.i_mode & S_IFMT) ==
(er->er_mode & S_IFMT));
- ip->i_di.di_mode = er->er_mode;
+ ip->i_inode.i_mode = er->er_mode;
}
ip->i_di.di_ctime = get_seconds();
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
@@ -847,8 +847,8 @@ static int ea_set_simple_noalloc(struct
if (er->er_flags & GFS2_ERF_MODE) {
gfs2_assert_withdraw(GFS2_SB(&ip->i_inode),
- (ip->i_di.di_mode & S_IFMT) == (er->er_mode & S_IFMT));
- ip->i_di.di_mode = er->er_mode;
+ (ip->i_inode.i_mode & S_IFMT) == (er->er_mode & S_IFMT));
+ ip->i_inode.i_mode = er->er_mode;
}
ip->i_di.di_ctime = get_seconds();
gfs2_trans_add_bh(ip->i_gl, dibh, 1);
diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 78fe0fa..44633c4 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -2078,7 +2078,7 @@ static int dump_inode(struct gfs2_inode
printk(KERN_INFO " num = %llu %llu\n",
(unsigned long long)ip->i_num.no_formal_ino,
(unsigned long long)ip->i_num.no_addr);
- printk(KERN_INFO " type = %u\n", IF2DT(ip->i_di.di_mode));
+ printk(KERN_INFO " type = %u\n", IF2DT(ip->i_inode.i_mode));
printk(KERN_INFO " i_flags =");
for (x = 0; x < 32; x++)
if (test_bit(x, &ip->i_flags))
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index 5406b19..aad45b7 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -92,7 +92,7 @@ static void gfs2_pte_inval(struct gfs2_g
ip = gl->gl_object;
inode = &ip->i_inode;
- if (!ip || !S_ISREG(ip->i_di.di_mode))
+ if (!ip || !S_ISREG(inode->i_mode))
return;
if (!test_bit(GIF_PAGED, &ip->i_flags))
@@ -119,7 +119,7 @@ static void gfs2_page_inval(struct gfs2_
ip = gl->gl_object;
inode = &ip->i_inode;
- if (!ip || !S_ISREG(ip->i_di.di_mode))
+ if (!ip || !S_ISREG(inode->i_mode))
return;
truncate_inode_pages(inode->i_mapping, 0);
@@ -142,7 +142,7 @@ static void gfs2_page_wait(struct gfs2_g
struct address_space *mapping = inode->i_mapping;
int error;
- if (!S_ISREG(ip->i_di.di_mode))
+ if (!S_ISREG(inode->i_mode))
return;
error = filemap_fdatawait(mapping);
@@ -164,7 +164,7 @@ static void gfs2_page_writeback(struct g
struct inode *inode = &ip->i_inode;
struct address_space *mapping = inode->i_mapping;
- if (!S_ISREG(ip->i_di.di_mode))
+ if (!S_ISREG(inode->i_mode))
return;
filemap_fdatawrite(mapping);
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index a995919..de46604 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -51,7 +51,6 @@ void gfs2_inode_attr_in(struct gfs2_inod
struct gfs2_dinode_host *di = &ip->i_di;
inode->i_ino = ip->i_num.no_addr;
- inode->i_mode = di->di_mode;
inode->i_nlink = di->di_nlink;
inode->i_uid = di->di_uid;
inode->i_gid = di->di_gid;
@@ -88,9 +87,6 @@ void gfs2_inode_attr_out(struct gfs2_ino
{
struct inode *inode = &ip->i_inode;
struct gfs2_dinode_host *di = &ip->i_di;
- gfs2_assert_withdraw(GFS2_SB(inode),
- (di->di_mode & S_IFMT) == (inode->i_mode & S_IFMT));
- di->di_mode = inode->i_mode;
di->di_uid = inode->i_uid;
di->di_gid = inode->i_gid;
di->di_atime = inode->i_atime.tv_sec;
@@ -210,9 +206,9 @@ static int gfs2_dinode_in(struct gfs2_in
if (ip->i_num.no_formal_ino != be64_to_cpu(str->di_num.no_formal_ino))
return -ESTALE;
- di->di_mode = be32_to_cpu(str->di_mode);
+ ip->i_inode.i_mode = be32_to_cpu(str->di_mode);
ip->i_inode.i_rdev = 0;
- switch (di->di_mode & S_IFMT) {
+ switch (ip->i_inode.i_mode & S_IFMT) {
case S_IFBLK:
case S_IFCHR:
ip->i_inode.i_rdev = MKDEV(be32_to_cpu(str->di_major),
@@ -620,7 +616,7 @@ static void munge_mode_uid_gid(struct gf
unsigned int *uid, unsigned int *gid)
{
if (GFS2_SB(&dip->i_inode)->sd_args.ar_suiddir &&
- (dip->i_di.di_mode & S_ISUID) && dip->i_di.di_uid) {
+ (dip->i_inode.i_mode & S_ISUID) && dip->i_di.di_uid) {
if (S_ISDIR(*mode))
*mode |= S_ISUID;
else if (dip->i_di.di_uid != current->fsuid)
@@ -629,7 +625,7 @@ static void munge_mode_uid_gid(struct gf
} else
*uid = current->fsuid;
- if (dip->i_di.di_mode & S_ISGID) {
+ if (dip->i_inode.i_mode & S_ISGID) {
if (S_ISDIR(*mode))
*mode |= S_ISGID;
*gid = dip->i_di.di_gid;
@@ -810,7 +806,7 @@ static int link_dinode(struct gfs2_inode
goto fail_quota_locks;
}
- error = gfs2_dir_add(&dip->i_inode, name, &ip->i_num, IF2DT(ip->i_di.di_mode));
+ error = gfs2_dir_add(&dip->i_inode, name, &ip->i_num, IF2DT(ip->i_inode.i_mode));
if (error)
goto fail_end_trans;
@@ -1053,7 +1049,7 @@ int gfs2_unlink_ok(struct gfs2_inode *di
if (IS_IMMUTABLE(&ip->i_inode) || IS_APPEND(&ip->i_inode))
return -EPERM;
- if ((dip->i_di.di_mode & S_ISVTX) &&
+ if ((dip->i_inode.i_mode & S_ISVTX) &&
dip->i_di.di_uid != current->fsuid &&
ip->i_di.di_uid != current->fsuid && !capable(CAP_FOWNER))
return -EPERM;
@@ -1072,7 +1068,7 @@ int gfs2_unlink_ok(struct gfs2_inode *di
if (!gfs2_inum_equal(&inum, &ip->i_num))
return -ENOENT;
- if (IF2DT(ip->i_di.di_mode) != type) {
+ if (IF2DT(ip->i_inode.i_mode) != type) {
gfs2_consist_inode(dip);
return -EIO;
}
diff --git a/fs/gfs2/inode.h b/fs/gfs2/inode.h
index 33c9ea6..69cbf98 100644
--- a/fs/gfs2/inode.h
+++ b/fs/gfs2/inode.h
@@ -22,7 +22,7 @@ static inline int gfs2_is_jdata(struct g
static inline int gfs2_is_dir(struct gfs2_inode *ip)
{
- return S_ISDIR(ip->i_di.di_mode);
+ return S_ISDIR(ip->i_inode.i_mode);
}
void gfs2_inode_attr_in(struct gfs2_inode *ip);
diff --git a/fs/gfs2/ondisk.c b/fs/gfs2/ondisk.c
index 60dd943..6b50a57 100644
--- a/fs/gfs2/ondisk.c
+++ b/fs/gfs2/ondisk.c
@@ -161,7 +161,7 @@ void gfs2_dinode_out(const struct gfs2_i
gfs2_inum_out(&ip->i_num, &str->di_num);
- str->di_mode = cpu_to_be32(di->di_mode);
+ str->di_mode = cpu_to_be32(ip->i_inode.i_mode);
str->di_uid = cpu_to_be32(di->di_uid);
str->di_gid = cpu_to_be32(di->di_gid);
str->di_nlink = cpu_to_be32(di->di_nlink);
@@ -191,7 +191,6 @@ void gfs2_dinode_print(const struct gfs2
gfs2_inum_print(&ip->i_num);
- pv(di, di_mode, "0%o");
pv(di, di_uid, "%u");
pv(di, di_gid, "%u");
pv(di, di_nlink, "%u");
diff --git a/fs/gfs2/ops_address.c b/fs/gfs2/ops_address.c
index 015640b..45a3d85 100644
--- a/fs/gfs2/ops_address.c
+++ b/fs/gfs2/ops_address.c
@@ -498,7 +498,6 @@ static int gfs2_commit_write(struct file
di->di_size = cpu_to_be64(inode->i_size);
}
- di->di_mode = cpu_to_be32(inode->i_mode);
di->di_atime = cpu_to_be64(inode->i_atime.tv_sec);
di->di_mtime = cpu_to_be64(inode->i_mtime.tv_sec);
di->di_ctime = cpu_to_be64(inode->i_ctime.tv_sec);
diff --git a/fs/gfs2/ops_dentry.c b/fs/gfs2/ops_dentry.c
index c36f9e3..d355899 100644
--- a/fs/gfs2/ops_dentry.c
+++ b/fs/gfs2/ops_dentry.c
@@ -76,7 +76,7 @@ static int gfs2_drevalidate(struct dentr
if (!gfs2_inum_equal(&ip->i_num, &inum))
goto invalid_gunlock;
- if (IF2DT(ip->i_di.di_mode) != type) {
+ if (IF2DT(ip->i_inode.i_mode) != type) {
gfs2_consist_inode(dip);
goto fail_gunlock;
}
diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c
index 7ea4175..b52b9db 100644
--- a/fs/gfs2/ops_file.c
+++ b/fs/gfs2/ops_file.c
@@ -425,7 +425,7 @@ static int gfs2_open(struct inode *inode
gfs2_assert_warn(GFS2_SB(inode), !file->private_data);
file->private_data = fp;
- if (S_ISREG(ip->i_di.di_mode)) {
+ if (S_ISREG(ip->i_inode.i_mode)) {
error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY,
&i_gh);
if (error)
@@ -515,7 +515,7 @@ static int gfs2_lock(struct file *file,
if (!(fl->fl_flags & FL_POSIX))
return -ENOLCK;
- if ((ip->i_di.di_mode & (S_ISGID | S_IXGRP)) == S_ISGID)
+ if ((ip->i_inode.i_mode & (S_ISGID | S_IXGRP)) == S_ISGID)
return -ENOLCK;
if (sdp->sd_args.ar_localflocks) {
@@ -617,7 +617,7 @@ static int gfs2_flock(struct file *file,
if (!(fl->fl_flags & FL_FLOCK))
return -ENOLCK;
- if ((ip->i_di.di_mode & (S_ISGID | S_IXGRP)) == S_ISGID)
+ if ((ip->i_inode.i_mode & (S_ISGID | S_IXGRP)) == S_ISGID)
return -ENOLCK;
if (sdp->sd_args.ar_localflocks)
diff --git a/fs/gfs2/ops_inode.c b/fs/gfs2/ops_inode.c
index c10b914..cf7a5ba 100644
--- a/fs/gfs2/ops_inode.c
+++ b/fs/gfs2/ops_inode.c
@@ -144,7 +144,7 @@ static int gfs2_link(struct dentry *old_
int alloc_required;
int error;
- if (S_ISDIR(ip->i_di.di_mode))
+ if (S_ISDIR(inode->i_mode))
return -EPERM;
gfs2_holder_init(dip->i_gl, LM_ST_EXCLUSIVE, 0, ghs);
@@ -220,7 +220,7 @@ static int gfs2_link(struct dentry *old_
}
error = gfs2_dir_add(dir, &dentry->d_name, &ip->i_num,
- IF2DT(ip->i_di.di_mode));
+ IF2DT(inode->i_mode));
if (error)
goto out_end_trans;
@@ -564,11 +564,10 @@ static int gfs2_rename(struct inode *odi
/* Make sure we aren't trying to move a dirctory into it's subdir */
- if (S_ISDIR(ip->i_di.di_mode) && odip != ndip) {
+ if (S_ISDIR(ip->i_inode.i_mode) && odip != ndip) {
dir_rename = 1;
- error = gfs2_glock_nq_init(sdp->sd_rename_gl,
- LM_ST_EXCLUSIVE, 0,
+ error = gfs2_glock_nq_init(sdp->sd_rename_gl, LM_ST_EXCLUSIVE, 0,
&r_gh);
if (error)
goto out;
@@ -609,7 +608,7 @@ static int gfs2_rename(struct inode *odi
if (error)
goto out_gunlock;
- if (S_ISDIR(nip->i_di.di_mode)) {
+ if (S_ISDIR(nip->i_inode.i_mode)) {
if (nip->i_di.di_entries < 2) {
if (gfs2_consist_inode(nip))
gfs2_dinode_print(nip);
@@ -646,7 +645,7 @@ static int gfs2_rename(struct inode *odi
error = -EFBIG;
goto out_gunlock;
}
- if (S_ISDIR(ip->i_di.di_mode) &&
+ if (S_ISDIR(ip->i_inode.i_mode) &&
ndip->i_di.di_nlink == (u32)-1) {
error = -EMLINK;
goto out_gunlock;
@@ -701,7 +700,7 @@ static int gfs2_rename(struct inode *odi
/* Remove the target file, if it exists */
if (nip) {
- if (S_ISDIR(nip->i_di.di_mode))
+ if (S_ISDIR(nip->i_inode.i_mode))
error = gfs2_rmdiri(ndip, &ndentry->d_name, nip);
else {
error = gfs2_dir_del(ndip, &ndentry->d_name);
@@ -743,7 +742,7 @@ static int gfs2_rename(struct inode *odi
goto out_end_trans;
error = gfs2_dir_add(ndir, &ndentry->d_name, &ip->i_num,
- IF2DT(ip->i_di.di_mode));
+ IF2DT(ip->i_inode.i_mode));
if (error)
goto out_end_trans;
diff --git a/fs/gfs2/ops_super.c b/fs/gfs2/ops_super.c
index 9c786d1..8635175 100644
--- a/fs/gfs2/ops_super.c
+++ b/fs/gfs2/ops_super.c
@@ -407,7 +407,7 @@ static void gfs2_delete_inode(struct ino
if (error)
goto out_uninit;
- if (S_ISDIR(ip->i_di.di_mode) &&
+ if (S_ISDIR(inode->i_mode) &&
(ip->i_di.di_flags & GFS2_DIF_EXHASH)) {
error = gfs2_dir_exhash_dealloc(ip);
if (error)
diff --git a/include/linux/gfs2_ondisk.h b/include/linux/gfs2_ondisk.h
index 5bcf895..f1ea0b4 100644
--- a/include/linux/gfs2_ondisk.h
+++ b/include/linux/gfs2_ondisk.h
@@ -322,7 +322,6 @@ struct gfs2_dinode {
};
struct gfs2_dinode_host {
- __u32 di_mode; /* mode of file */
__u32 di_uid; /* owner's user id */
__u32 di_gid; /* owner's group id */
__u32 di_nlink; /* number of links to this file */
--
1.4.1
-
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