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xfs: refactor quota exceeded test

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Refactor the open-coded test for whether or not we're over quota.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Darrick J. Wong 2020-07-14 10:37:33 -07:00
parent c8c753e19a
commit ea0cc6fa8f
1 changed files with 26 additions and 65 deletions
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91
fs/xfs/xfs_dquot.c
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@ -98,6 +98,29 @@ xfs_qm_adjust_dqlimits(
xfs_dquot_set_prealloc_limits(dq);
}
/*
* Determine if this quota counter is over either limit and set the quota
* timers as appropriate.
*/
static inline void
xfs_qm_adjust_res_timer(
struct xfs_dquot_res *res,
struct xfs_quota_limits *qlim)
{
ASSERT(res->hardlimit == 0 || res->softlimit <= res->hardlimit);
if ((res->softlimit && res->count > res->softlimit) ||
(res->hardlimit && res->count > res->hardlimit)) {
if (res->timer == 0)
res->timer = ktime_get_real_seconds() + qlim->time;
} else {
if (res->timer == 0)
res->warnings = 0;
else
res->timer = 0;
}
}
/*
* Check the limits and timers of a dquot and start or reset timers
* if necessary.
@ -122,71 +145,9 @@ xfs_qm_adjust_dqtimers(
ASSERT(dq->q_id);
defq = xfs_get_defquota(qi, xfs_dquot_type(dq));
#ifdef DEBUG
if (dq->q_blk.hardlimit)
ASSERT(dq->q_blk.softlimit <= dq->q_blk.hardlimit);
if (dq->q_ino.hardlimit)
ASSERT(dq->q_ino.softlimit <= dq->q_ino.hardlimit);
if (dq->q_rtb.hardlimit)
ASSERT(dq->q_rtb.softlimit <= dq->q_rtb.hardlimit);
#endif
if (!dq->q_blk.timer) {
if ((dq->q_blk.softlimit &&
(dq->q_blk.count > dq->q_blk.softlimit)) ||
(dq->q_blk.hardlimit &&
(dq->q_blk.count > dq->q_blk.hardlimit))) {
dq->q_blk.timer = ktime_get_real_seconds() +
defq->blk.time;
} else {
dq->q_blk.warnings = 0;
}
} else {
if ((!dq->q_blk.softlimit ||
(dq->q_blk.count <= dq->q_blk.softlimit)) &&
(!dq->q_blk.hardlimit ||
(dq->q_blk.count <= dq->q_blk.hardlimit))) {
dq->q_blk.timer = 0;
}
}
if (!dq->q_ino.timer) {
if ((dq->q_ino.softlimit &&
(dq->q_ino.count > dq->q_ino.softlimit)) ||
(dq->q_ino.hardlimit &&
(dq->q_ino.count > dq->q_ino.hardlimit))) {
dq->q_ino.timer = ktime_get_real_seconds() +
defq->ino.time;
} else {
dq->q_ino.warnings = 0;
}
} else {
if ((!dq->q_ino.softlimit ||
(dq->q_ino.count <= dq->q_ino.softlimit)) &&
(!dq->q_ino.hardlimit ||
(dq->q_ino.count <= dq->q_ino.hardlimit))) {
dq->q_ino.timer = 0;
}
}
if (!dq->q_rtb.timer) {
if ((dq->q_rtb.softlimit &&
(dq->q_rtb.count > dq->q_rtb.softlimit)) ||
(dq->q_rtb.hardlimit &&
(dq->q_rtb.count > dq->q_rtb.hardlimit))) {
dq->q_rtb.timer = ktime_get_real_seconds() +
defq->rtb.time;
} else {
dq->q_rtb.warnings = 0;
}
} else {
if ((!dq->q_rtb.softlimit ||
(dq->q_rtb.count <= dq->q_rtb.softlimit)) &&
(!dq->q_rtb.hardlimit ||
(dq->q_rtb.count <= dq->q_rtb.hardlimit))) {
dq->q_rtb.timer = 0;
}
}
xfs_qm_adjust_res_timer(&dq->q_blk, &defq->blk);
xfs_qm_adjust_res_timer(&dq->q_ino, &defq->ino);
xfs_qm_adjust_res_timer(&dq->q_rtb, &defq->rtb);
}
/*