diff mbox

[03/11] xfs: Remove some useless flags tests

Message ID 1415739865-2438-4-git-send-email-jack@suse.cz
State Not Applicable, archived
Headers show

Commit Message

Jan Kara Nov. 11, 2014, 9:04 p.m. UTC
'flags' have XFS_ALL_QUOTA_ACCT cleared immediately on function entry.
There's no point in checking these bits later in the function. Also
because we check something is going to change, we know some enforcement
bits are being added and thus there's no point in testing that later.

Signed-off-by: Jan Kara <jack@suse.cz>
---
 fs/xfs/xfs_qm_syscalls.c | 15 ++++-----------
 1 file changed, 4 insertions(+), 11 deletions(-)

Comments

Dave Chinner Nov. 11, 2014, 11:26 p.m. UTC | #1
On Tue, Nov 11, 2014 at 10:04:17PM +0100, Jan Kara wrote:
> 'flags' have XFS_ALL_QUOTA_ACCT cleared immediately on function entry.
> There's no point in checking these bits later in the function. Also
> because we check something is going to change, we know some enforcement
> bits are being added and thus there's no point in testing that later.
> 
> Signed-off-by: Jan Kara <jack@suse.cz>

Looks sane. I'll pick this up straight away.

Cheers,

Dave.
diff mbox

Patch

diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c
index 5e4944973587..60bca27d3d04 100644
--- a/fs/xfs/xfs_qm_syscalls.c
+++ b/fs/xfs/xfs_qm_syscalls.c
@@ -328,22 +328,16 @@  xfs_qm_scall_quotaon(
 		return -EINVAL;
 	}
 
-	/* No fs can turn on quotas with a delayed effect */
-	ASSERT((flags & XFS_ALL_QUOTA_ACCT) == 0);
-
 	/*
 	 * Can't enforce without accounting. We check the superblock
 	 * qflags here instead of m_qflags because rootfs can have
 	 * quota acct on ondisk without m_qflags' knowing.
 	 */
-	if (((flags & XFS_UQUOTA_ACCT) == 0 &&
-	     (mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) == 0 &&
+	if (((mp->m_sb.sb_qflags & XFS_UQUOTA_ACCT) == 0 &&
 	     (flags & XFS_UQUOTA_ENFD)) ||
-	    ((flags & XFS_GQUOTA_ACCT) == 0 &&
-	     (mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) == 0 &&
+	    ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) == 0 &&
 	     (flags & XFS_GQUOTA_ENFD)) ||
-	    ((flags & XFS_PQUOTA_ACCT) == 0 &&
-	     (mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) == 0 &&
+	    ((mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) == 0 &&
 	     (flags & XFS_PQUOTA_ENFD))) {
 		xfs_debug(mp,
 			"%s: Can't enforce without acct, flags=%x sbflags=%x",
@@ -381,8 +375,7 @@  xfs_qm_scall_quotaon(
 	     ((mp->m_sb.sb_qflags & XFS_PQUOTA_ACCT) !=
 	     (mp->m_qflags & XFS_PQUOTA_ACCT)) ||
 	     ((mp->m_sb.sb_qflags & XFS_GQUOTA_ACCT) !=
-	     (mp->m_qflags & XFS_GQUOTA_ACCT)) ||
-	    (flags & XFS_ALL_QUOTA_ENFD) == 0)
+	     (mp->m_qflags & XFS_GQUOTA_ACCT)))
 		return 0;
 
 	if (! XFS_IS_QUOTA_RUNNING(mp))