[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 <swhiteho@redhat.com>

15 files changed, 41 insertions, 49 deletions

diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c
index 906e403b054f..87f6304f2f54 100644
--- a/fs/gfs2/acl.c
+++ b/fs/gfs2/acl.c
@@ -76,9 +76,9 @@ int gfs2_acl_validate_remove(struct gfs2_inode *ip, int access)
                 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 *ip, mode_t mode)
         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 *dip, struct gfs2_inode *ip)
         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 *dip, struct gfs2_inode *ip)
                 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 *dip, struct gfs2_inode *ip)
         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 8c092ab2b4ba..481a06882544 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -1109,7 +1109,7 @@ int gfs2_truncatei(struct gfs2_inode *ip, u64 size)
 {
         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 92c54e9b0dc3..cd747c00f670 100644
--- a/fs/gfs2/eaops.c
+++ b/fs/gfs2/eaops.c
@@ -120,7 +120,7 @@ static int system_eo_set(struct gfs2_inode *ip, struct gfs2_ea_request *er)
 
         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 9b7bb565b59d..5208fa94aad2 100644
--- a/fs/gfs2/eattr.c
+++ b/fs/gfs2/eattr.c
@@ -711,9 +711,9 @@ static int ea_alloc_skeleton(struct gfs2_inode *ip, struct gfs2_ea_request *er,
         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 gfs2_inode *ip, struct buffer_head *bh,
 
         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 78fe0fae23ff..44633c46717a 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -2078,7 +2078,7 @@ static int dump_inode(struct gfs2_inode *ip)
         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 5406b193227c..aad45b7a927d 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -92,7 +92,7 @@ static void gfs2_pte_inval(struct gfs2_glock *gl)
 
         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_glock *gl)
 
         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_glock *gl)
         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 gfs2_glock *gl)
         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 a99591956544..de466043c91a 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -51,7 +51,6 @@ void gfs2_inode_attr_in(struct gfs2_inode *ip)
         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_inode *ip)
 {
         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_inode *ip, const void *buf)
         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 gfs2_inode *dip, unsigned int *mode,
                                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 gfs2_inode *dip, unsigned int *mode,
         } 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 *dip, const struct qstr *name,
                         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 *dip, const struct qstr *name,
         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 *dip, const struct qstr *name,
         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 33c9ea68f7e7..69cbf98509a9 100644
--- a/fs/gfs2/inode.h
+++ b/fs/gfs2/inode.h
@@ -22,7 +22,7 @@ static inline int gfs2_is_jdata(struct gfs2_inode *ip)
 
 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 60dd943761ab..6b50a5731a51 100644
--- a/fs/gfs2/ondisk.c
+++ b/fs/gfs2/ondisk.c
@@ -161,7 +161,7 @@ void gfs2_dinode_out(const struct gfs2_inode *ip, void *buf)
 
         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_inode *ip)
 
         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 015640b3f123..45a3d85b1d68 100644
--- a/fs/gfs2/ops_address.c
+++ b/fs/gfs2/ops_address.c
@@ -498,7 +498,6 @@ static int gfs2_commit_write(struct file *file, struct page *page,
                 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 c36f9e342e66..d355899585d8 100644
--- a/fs/gfs2/ops_dentry.c
+++ b/fs/gfs2/ops_dentry.c
@@ -76,7 +76,7 @@ static int gfs2_drevalidate(struct dentry *dentry, struct nameidata *nd)
         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 7ea417573903..b52b9db1a2bd 100644
--- a/fs/gfs2/ops_file.c
+++ b/fs/gfs2/ops_file.c
@@ -425,7 +425,7 @@ static int gfs2_open(struct inode *inode, struct file *file)
         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, int cmd, struct file_lock *fl)
 
         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, int cmd, struct file_lock *fl)
 
         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 c10b914bf8cc..cf7a5bae3957 100644
--- a/fs/gfs2/ops_inode.c
+++ b/fs/gfs2/ops_inode.c
@@ -144,7 +144,7 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir,
         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_dentry, struct inode *dir,
         }
 
         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 *odir, struct dentry *odentry,
 
         /* 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 *odir, struct dentry *odentry,
                 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 *odir, struct dentry *odentry,
                                 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 *odir, struct dentry *odentry,
         /* 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 *odir, struct dentry *odentry,
                 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 9c786d1e702d..863517569223 100644
--- a/fs/gfs2/ops_super.c
+++ b/fs/gfs2/ops_super.c
@@ -407,7 +407,7 @@ static void gfs2_delete_inode(struct inode *inode)
         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 5bcf895b2731..f1ea0b48060b 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 */