linux-kernel - [PATCH review 06/16] xfs: Use kuids and kgids in xfs_setattr

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Date:	Sun, 17 Feb 2013 17:10:59 -0800
From:	"Eric W. Biederman" <ebiederm@...ssion.com>
To:	<linux-fsdevel@...r.kernel.org>
Cc:	Linux Containers <containers@...ts.linux-foundation.org>,
	<linux-kernel@...r.kernel.org>,
	"Serge E. Hallyn" <serge@...lyn.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Ben Myers <bpm@....com>, Alex Elder <elder@...nel.org>,
	Dave Chinner <david@...morbit.com>
Subject: [PATCH review 06/16] xfs: Use kuids and kgids in xfs_setattr_nonsize

From: "Eric W. Biederman" <ebiederm@...ssion.com>

Cc: Ben Myers <bpm@....com>
Cc: Alex Elder <elder@...nel.org>
Cc: Dave Chinner <david@...morbit.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@...ssion.com>
---
 fs/xfs/xfs_iops.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index 235a48c..0edacbe 100644
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -466,8 +466,8 @@ xfs_setattr_nonsize(
 	int			mask = iattr->ia_valid;
 	xfs_trans_t		*tp;
 	int			error;
-	uid_t			uid = 0, iuid = 0;
-	gid_t			gid = 0, igid = 0;
+	kuid_t			uid = GLOBAL_ROOT_UID, iuid = GLOBAL_ROOT_UID;
+	kgid_t			gid = GLOBAL_ROOT_GID, igid = GLOBAL_ROOT_GID;
 	struct xfs_dquot	*udqp = NULL, *gdqp = NULL;
 	struct xfs_dquot	*olddquot1 = NULL, *olddquot2 = NULL;
 
@@ -549,8 +549,8 @@ xfs_setattr_nonsize(
 		 * going to change.
 		 */
 		if (XFS_IS_QUOTA_RUNNING(mp) &&
-		    ((XFS_IS_UQUOTA_ON(mp) && iuid != uid) ||
-		     (XFS_IS_GQUOTA_ON(mp) && igid != gid))) {
+		    ((XFS_IS_UQUOTA_ON(mp) && !uid_eq(iuid, uid)) ||
+		     (XFS_IS_GQUOTA_ON(mp) && !gid_eq(igid, gid)))) {
 			ASSERT(tp);
 			error = xfs_qm_vop_chown_reserve(tp, ip, udqp, gdqp,
 						capable(CAP_FOWNER) ?
@@ -580,7 +580,7 @@ xfs_setattr_nonsize(
 		 * Change the ownerships and register quota modifications
 		 * in the transaction.
 		 */
-		if (iuid != uid) {
+		if (!uid_eq(iuid, uid)) {
 			if (XFS_IS_QUOTA_RUNNING(mp) && XFS_IS_UQUOTA_ON(mp)) {
 				ASSERT(mask & ATTR_UID);
 				ASSERT(udqp);
@@ -589,7 +589,7 @@ xfs_setattr_nonsize(
 			}
 			xfs_set_uid(ip, uid);
 		}
-		if (igid != gid) {
+		if (!gid_eq(igid, gid)) {
 			if (XFS_IS_QUOTA_RUNNING(mp) && XFS_IS_GQUOTA_ON(mp)) {
 				ASSERT(!XFS_IS_PQUOTA_ON(mp));
 				ASSERT(mask & ATTR_GID);
-- 
1.7.5.4

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