[GFS2] Shrink gfs2_inode (4) - di_uid/di_gid

Remove duplicate di_uid/di_gid fields in favour of using
inode->i_uid/inode->i_gid instead. This saves 8 bytes.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

1 files changed, 9 insertions, 14 deletions

diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index de466043c91a..0de9b22f454b 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -52,8 +52,6 @@ void gfs2_inode_attr_in(struct gfs2_inode *ip)
 
         inode->i_ino = ip->i_num.no_addr;
         inode->i_nlink = di->di_nlink;
-        inode->i_uid = di->di_uid;
-        inode->i_gid = di->di_gid;
         i_size_write(inode, di->di_size);
         inode->i_atime.tv_sec = di->di_atime;
         inode->i_mtime.tv_sec = di->di_mtime;
@@ -87,8 +85,6 @@ void gfs2_inode_attr_out(struct gfs2_inode *ip)
 {
         struct inode *inode = &ip->i_inode;
         struct gfs2_dinode_host *di = &ip->i_di;
-        di->di_uid = inode->i_uid;
-        di->di_gid = inode->i_gid;
         di->di_atime = inode->i_atime.tv_sec;
         di->di_mtime = inode->i_mtime.tv_sec;
         di->di_ctime = inode->i_ctime.tv_sec;
@@ -216,8 +212,8 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
                 break;
         };
 
-        di->di_uid = be32_to_cpu(str->di_uid);
-        di->di_gid = be32_to_cpu(str->di_gid);
+        ip->i_inode.i_uid = be32_to_cpu(str->di_uid);
+        ip->i_inode.i_gid = be32_to_cpu(str->di_gid);
         di->di_nlink = be32_to_cpu(str->di_nlink);
         di->di_size = be64_to_cpu(str->di_size);
         di->di_blocks = be64_to_cpu(str->di_blocks);
@@ -616,19 +612,19 @@ 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_inode.i_mode & S_ISUID) && dip->i_di.di_uid) {
+            (dip->i_inode.i_mode & S_ISUID) && dip->i_inode.i_uid) {
                 if (S_ISDIR(*mode))
                         *mode |= S_ISUID;
-                else if (dip->i_di.di_uid != current->fsuid)
+                else if (dip->i_inode.i_uid != current->fsuid)
                         *mode &= ~07111;
-                *uid = dip->i_di.di_uid;
+                *uid = dip->i_inode.i_uid;
         } else
                 *uid = current->fsuid;
 
         if (dip->i_inode.i_mode & S_ISGID) {
                 if (S_ISDIR(*mode))
                         *mode |= S_ISGID;
-                *gid = dip->i_di.di_gid;
+                *gid = dip->i_inode.i_gid;
         } else
                 *gid = current->fsgid;
 }
@@ -783,8 +779,7 @@ static int link_dinode(struct gfs2_inode *dip, const struct qstr *name,
         if (alloc_required < 0)
                 goto fail;
         if (alloc_required) {
-                error = gfs2_quota_check(dip, dip->i_di.di_uid,
-                                         dip->i_di.di_gid);
+                error = gfs2_quota_check(dip, dip->i_inode.i_uid, dip->i_inode.i_gid);
                 if (error)
                         goto fail_quota_locks;
 
@@ -1050,8 +1045,8 @@ int gfs2_unlink_ok(struct gfs2_inode *dip, const struct qstr *name,
                 return -EPERM;
 
         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))
+            dip->i_inode.i_uid != current->fsuid &&
+            ip->i_inode.i_uid != current->fsuid && !capable(CAP_FOWNER))
                 return -EPERM;
 
         if (IS_APPEND(&dip->i_inode))