[PATCH 3/3] xfs: cleanup quota check on disk blocks and inodesreservations

From: Mitsuo Hayasaka
Date: Sun Jan 22 2012 - 22:40:09 EST


This patch is a cleanup of quota check on disk blocks and inodes
reservations.

Signed-off-by: Mitsuo Hayasaka <mitsuo.hayasaka.hu@xxxxxxxxxxx>
Cc: Ben Myers <bpm@xxxxxxx>
Cc: Alex Elder <elder@xxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
---

fs/xfs/xfs_trans_dquot.c | 17 +++++++----------
1 files changed, 7 insertions(+), 10 deletions(-)

diff --git a/fs/xfs/xfs_trans_dquot.c b/fs/xfs/xfs_trans_dquot.c
index c4ba366..5e6cd1c 100644
--- a/fs/xfs/xfs_trans_dquot.c
+++ b/fs/xfs/xfs_trans_dquot.c
@@ -605,7 +605,7 @@ xfs_trans_dqresv(
time_t timer;
xfs_qwarncnt_t warns;
xfs_qwarncnt_t warnlimit;
- xfs_qcnt_t count;
+ xfs_qcnt_t tcount;
xfs_qcnt_t *resbcountp;
xfs_quotainfo_t *q = mp->m_quotainfo;

@@ -648,13 +648,12 @@ xfs_trans_dqresv(
* hardlimit or exceed the timelimit if we allocate
* nblks.
*/
- if (hardlimit > 0ULL &&
- hardlimit < nblks + *resbcountp) {
+ tcount = *resbcountp + nblks;
+ if (hardlimit > 0ULL && tcount > hardlimit) {
xfs_quota_warn(mp, dqp, QUOTA_NL_BHARDWARN);
goto error_return;
}
- if (softlimit > 0ULL &&
- softlimit < nblks + *resbcountp) {
+ if (softlimit > 0ULL && tcount > softlimit) {
if ((timer != 0 && get_seconds() > timer) ||
(warns != 0 && warns >= warnlimit)) {
xfs_quota_warn(mp, dqp,
@@ -666,7 +665,7 @@ xfs_trans_dqresv(
}
}
if (ninos > 0) {
- count = be64_to_cpu(dqp->q_core.d_icount);
+ tcount = be64_to_cpu(dqp->q_core.d_icount) + ninos;
timer = be32_to_cpu(dqp->q_core.d_itimer);
warns = be16_to_cpu(dqp->q_core.d_iwarns);
warnlimit = dqp->q_mount->m_quotainfo->qi_iwarnlimit;
@@ -677,13 +676,11 @@ xfs_trans_dqresv(
if (!softlimit)
softlimit = q->qi_isoftlimit;

- if (hardlimit > 0ULL &&
- hardlimit < ninos + count) {
+ if (hardlimit > 0ULL && tcount > hardlimit) {
xfs_quota_warn(mp, dqp, QUOTA_NL_IHARDWARN);
goto error_return;
}
- if (softlimit > 0ULL &&
- softlimit < ninos + count) {
+ if (softlimit > 0ULL && tcount > softlimit) {
if ((timer != 0 && get_seconds() > timer) ||
(warns != 0 && warns >= warnlimit)) {
xfs_quota_warn(mp, dqp,

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