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xfs: refactor quota expiration timer modification

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Define explicit limits on the range of quota grace period expiration
timeouts and refactor the code that modifies the timeouts into helpers
that clamp the values appropriately.  Note that we'll refactor the
default grace period timer separately.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Allison Collins <allison.henderson@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
This commit is contained in:
Darrick J. Wong
2020-08-17 09:58:36 -07:00
부모 876fdc7c4f
커밋 11d8a91902
6개의 변경된 파일과 61개의 추가작업 그리고 9개의 파일을 삭제
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22
fs/xfs/xfs_dquot.c
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@@ -98,12 +98,25 @@ xfs_qm_adjust_dqlimits(
xfs_dquot_set_prealloc_limits(dq);
}
/* Set the expiration time of a quota's grace period. */
time64_t
xfs_dquot_set_timeout(
struct xfs_mount *mp,
time64_t timeout)
{
struct xfs_quotainfo *qi = mp->m_quotainfo;
return clamp_t(time64_t, timeout, qi->qi_expiry_min,
qi->qi_expiry_max);
}
/*
* 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_mount *mp,
struct xfs_dquot_res *res,
struct xfs_quota_limits *qlim)
{
@@ -112,7 +125,8 @@ xfs_qm_adjust_res_timer(
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;
res->timer = xfs_dquot_set_timeout(mp,
ktime_get_real_seconds() + qlim->time);
} else {
if (res->timer == 0)
res->warnings = 0;
@@ -145,9 +159,9 @@ xfs_qm_adjust_dqtimers(
ASSERT(dq->q_id);
defq = xfs_get_defquota(qi, xfs_dquot_type(dq));
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);
xfs_qm_adjust_res_timer(dq->q_mount, &dq->q_blk, &defq->blk);
xfs_qm_adjust_res_timer(dq->q_mount, &dq->q_ino, &defq->ino);
xfs_qm_adjust_res_timer(dq->q_mount, &dq->q_rtb, &defq->rtb);
}
/*