This cleans up the mode setting code when creating inodes. The
SGID bit was being reset by setattr_copy() when the user creating a
subdirectory was not in the owning group. When ACLs are in use this
SGID bit should have been propagated if the ACL allows creation of
a subdirectory. GFS2's behaviour now matches that of the other ACL
supporting filesystems in this regard.

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

diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c
index 230eb0f..bd4a589 100644
--- a/fs/gfs2/acl.c
+++ b/fs/gfs2/acl.c
@@ -73,12 +73,8 @@ static int gfs2_set_mode(struct inode *inode, umode_t mode)
        int error = 0;
 
        if (mode != inode->i_mode) {
-               struct iattr iattr;
-
-               iattr.ia_valid = ATTR_MODE;
-               iattr.ia_mode = mode;
-
-               error = gfs2_setattr_simple(inode, &iattr);
+               inode->i_mode = mode;
+               mark_inode_dirty(inode);
        }
 
        return error;
@@ -126,9 +122,7 @@ int gfs2_acl_create(struct gfs2_inode *dip, struct inode 
*inode)
                return PTR_ERR(acl);
        if (!acl) {
                mode &= ~current_umask();
-               if (mode != inode->i_mode)
-                       error = gfs2_set_mode(inode, mode);
-               return error;
+               return gfs2_set_mode(inode, mode);
        }
 
        if (S_ISDIR(inode->i_mode)) {
-- 
1.7.4

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