[PATCH 18/26] xfs: refactor default quota limits by resource

Darrick J. Wong
2020-07-15T01:54:42Z

Now that we've split up the dquot resource fields into separate structs,
do the same for the default limits to enable further refactoring.

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>
---
fs/xfs/xfs_dquot.c | 30 +++++++++++++++---------------
fs/xfs/xfs_qm.c | 36 ++++++++++++++++++------------------
fs/xfs/xfs_qm.h | 22 ++++++++++------------
fs/xfs/xfs_qm_syscalls.c | 24 ++++++++++++------------
fs/xfs/xfs_quotaops.c | 12 ++++++------
fs/xfs/xfs_trans_dquot.c | 18 +++++++++---------
6 files changed, 70 insertions(+), 72 deletions(-)

diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c
index 75b22560244e..8107bb094641 100644
--- a/fs/xfs/xfs_dquot.c
+++ b/fs/xfs/xfs_dquot.c
@@ -77,22 +77,22 @@ xfs_qm_adjust_dqlimits(
ASSERT(dq->q_id);
defq = xfs_get_defquota(q, dq->q_type);

- if (defq->bsoftlimit && !dq->q_blk.softlimit) {
- dq->q_blk.softlimit = defq->bsoftlimit;
+ if (defq->blk.soft && !dq->q_blk.softlimit) {
+ dq->q_blk.softlimit = defq->blk.soft;
prealloc = 1;
}
- if (defq->bhardlimit && !dq->q_blk.hardlimit) {
- dq->q_blk.hardlimit = defq->bhardlimit;
+ if (defq->blk.hard && !dq->q_blk.hardlimit) {
+ dq->q_blk.hardlimit = defq->blk.hard;
prealloc = 1;
}
- if (defq->isoftlimit && !dq->q_ino.softlimit)
- dq->q_ino.softlimit = defq->isoftlimit;
- if (defq->ihardlimit && !dq->q_ino.hardlimit)
- dq->q_ino.hardlimit = defq->ihardlimit;
- if (defq->rtbsoftlimit && !dq->q_rtb.softlimit)
- dq->q_rtb.softlimit = defq->rtbsoftlimit;
- if (defq->rtbhardlimit && !dq->q_rtb.hardlimit)
- dq->q_rtb.hardlimit = defq->rtbhardlimit;
+ if (defq->ino.soft && !dq->q_ino.softlimit)
+ dq->q_ino.softlimit = defq->ino.soft;
+ if (defq->ino.hard && !dq->q_ino.hardlimit)
+ dq->q_ino.hardlimit = defq->ino.hard;
+ if (defq->rtb.soft && !dq->q_rtb.softlimit)
+ dq->q_rtb.softlimit = defq->rtb.soft;
+ if (defq->rtb.hard && !dq->q_rtb.hardlimit)
+ dq->q_rtb.hardlimit = defq->rtb.hard;

if (prealloc)
xfs_dquot_set_prealloc_limits(dq);
@@ -137,7 +137,7 @@ xfs_qm_adjust_dqtimers(
(dq->q_blk.hardlimit &&
(dq->q_blk.count > dq->q_blk.hardlimit))) {
dq->q_blk.timer = ktime_get_real_seconds() +
- defq->btimelimit;
+ defq->blk.time;
} else {
dq->q_blk.warnings = 0;
}
@@ -156,7 +156,7 @@ xfs_qm_adjust_dqtimers(
(dq->q_ino.hardlimit &&
(dq->q_ino.count > dq->q_ino.hardlimit))) {
dq->q_ino.timer = ktime_get_real_seconds() +
- defq->itimelimit;
+ defq->ino.time;
} else {
dq->q_ino.warnings = 0;
}
@@ -175,7 +175,7 @@ xfs_qm_adjust_dqtimers(
(dq->q_rtb.hardlimit &&
(dq->q_rtb.count > dq->q_rtb.hardlimit))) {
dq->q_rtb.timer = ktime_get_real_seconds() +
- defq->rtbtimelimit;
+ defq->rtb.time;
} else {
dq->q_rtb.warnings = 0;
}
diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index 4305bbcdb97d..6ebf5bed65a7 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -560,12 +560,12 @@ xfs_qm_set_defquota(
* Timers and warnings have been already set, let's just set the
* default limits for this quota type
*/
- defq->bhardlimit = dqp->q_blk.hardlimit;
- defq->bsoftlimit = dqp->q_blk.softlimit;
- defq->ihardlimit = dqp->q_ino.hardlimit;
- defq->isoftlimit = dqp->q_ino.softlimit;
- defq->rtbhardlimit = dqp->q_rtb.hardlimit;
- defq->rtbsoftlimit = dqp->q_rtb.softlimit;
+ defq->blk.hard = dqp->q_blk.hardlimit;
+ defq->blk.soft = dqp->q_blk.softlimit;
+ defq->ino.hard = dqp->q_ino.hardlimit;
+ defq->ino.soft = dqp->q_ino.softlimit;
+ defq->rtb.hard = dqp->q_rtb.hardlimit;
+ defq->rtb.soft = dqp->q_rtb.softlimit;
xfs_qm_dqdestroy(dqp);
}

@@ -582,12 +582,12 @@ xfs_qm_init_timelimits(

defq = xfs_get_defquota(qinf, type);

- defq->btimelimit = XFS_QM_BTIMELIMIT;
- defq->itimelimit = XFS_QM_ITIMELIMIT;
- defq->rtbtimelimit = XFS_QM_RTBTIMELIMIT;
- defq->bwarnlimit = XFS_QM_BWARNLIMIT;
- defq->iwarnlimit = XFS_QM_IWARNLIMIT;
- defq->rtbwarnlimit = XFS_QM_RTBWARNLIMIT;
+ defq->blk.time = XFS_QM_BTIMELIMIT;
+ defq->ino.time = XFS_QM_ITIMELIMIT;
+ defq->rtb.time = XFS_QM_RTBTIMELIMIT;
+ defq->blk.warn = XFS_QM_BWARNLIMIT;
+ defq->ino.warn = XFS_QM_IWARNLIMIT;
+ defq->rtb.warn = XFS_QM_RTBWARNLIMIT;

/*
* We try to get the limits from the superuser's limits fields.
@@ -606,17 +606,17 @@ xfs_qm_init_timelimits(
* more writing. If it is zero, a default is used.
*/
if (dqp->q_blk.timer)
- defq->btimelimit = dqp->q_blk.timer;
+ defq->blk.time = dqp->q_blk.timer;
if (dqp->q_ino.timer)
- defq->itimelimit = dqp->q_ino.timer;
+ defq->ino.time = dqp->q_ino.timer;
if (dqp->q_rtb.timer)
- defq->rtbtimelimit = dqp->q_rtb.timer;
+ defq->rtb.time = dqp->q_rtb.timer;
if (dqp->q_blk.warnings)
- defq->bwarnlimit = dqp->q_blk.warnings;
+ defq->blk.warn = dqp->q_blk.warnings;
if (dqp->q_ino.warnings)
- defq->iwarnlimit = dqp->q_ino.warnings;
+ defq->ino.warn = dqp->q_ino.warnings;
if (dqp->q_rtb.warnings)
- defq->rtbwarnlimit = dqp->q_rtb.warnings;
+ defq->rtb.warn = dqp->q_rtb.warnings;

xfs_qm_dqdestroy(dqp);
}
diff --git a/fs/xfs/xfs_qm.h b/fs/xfs/xfs_qm.h
index 0e4ceb0dcfbc..9c078c35d924 100644
--- a/fs/xfs/xfs_qm.h
+++ b/fs/xfs/xfs_qm.h
@@ -30,20 +30,18 @@ extern struct kmem_zone *xfs_qm_dqtrxzone;
!dqp->q_rtb.count && \
!dqp->q_ino.count)

+struct xfs_quota_limits {
+ xfs_qcnt_t hard; /* default hard limit */
+ xfs_qcnt_t soft; /* default soft limit */
+ time64_t time; /* limit for timers */
+ xfs_qwarncnt_t warn; /* limit for warnings */
+};
+
/* Defaults for each quota type: time limits, warn limits, usage limits */
struct xfs_def_quota {
- time64_t btimelimit; /* limit for blks timer */
- time64_t itimelimit; /* limit for inodes timer */
- time64_t rtbtimelimit; /* limit for rt blks timer */
- xfs_qwarncnt_t bwarnlimit; /* limit for blks warnings */
- xfs_qwarncnt_t iwarnlimit; /* limit for inodes warnings */
- xfs_qwarncnt_t rtbwarnlimit; /* limit for rt blks warnings */
- xfs_qcnt_t bhardlimit; /* default data blk hard limit */
- xfs_qcnt_t bsoftlimit; /* default data blk soft limit */
- xfs_qcnt_t ihardlimit; /* default inode count hard limit */
- xfs_qcnt_t isoftlimit; /* default inode count soft limit */
- xfs_qcnt_t rtbhardlimit; /* default realtime blk hard limit */
- xfs_qcnt_t rtbsoftlimit; /* default realtime blk soft limit */
+ struct xfs_quota_limits blk;
+ struct xfs_quota_limits ino;
+ struct xfs_quota_limits rtb;
};

/*
diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c
index 3bb844317d02..b0c932086d59 100644
--- a/fs/xfs/xfs_qm_syscalls.c
+++ b/fs/xfs/xfs_qm_syscalls.c
@@ -502,8 +502,8 @@ xfs_qm_scall_setqlim(
dqp->q_blk.softlimit = soft;
xfs_dquot_set_prealloc_limits(dqp);
if (id == 0) {
- defq->bhardlimit = hard;
- defq->bsoftlimit = soft;
+ defq->blk.hard = hard;
+ defq->blk.soft = soft;
}
} else {
xfs_debug(mp, "blkhard %Ld < blksoft %Ld", hard, soft);
@@ -518,8 +518,8 @@ xfs_qm_scall_setqlim(
dqp->q_rtb.hardlimit = hard;
dqp->q_rtb.softlimit = soft;
if (id == 0) {
- defq->rtbhardlimit = hard;
- defq->rtbsoftlimit = soft;
+ defq->rtb.hard = hard;
+ defq->rtb.soft = soft;
}
} else {
xfs_debug(mp, "rtbhard %Ld < rtbsoft %Ld", hard, soft);
@@ -535,8 +535,8 @@ xfs_qm_scall_setqlim(
dqp->q_ino.hardlimit = hard;
dqp->q_ino.softlimit = soft;
if (id == 0) {
- defq->ihardlimit = hard;
- defq->isoftlimit = soft;
+ defq->ino.hard = hard;
+ defq->ino.soft = soft;
}
} else {
xfs_debug(mp, "ihard %Ld < isoft %Ld", hard, soft);
@@ -554,11 +554,11 @@ xfs_qm_scall_setqlim(

if (id == 0) {
if (newlim->d_fieldmask & QC_SPC_WARNS)
- defq->bwarnlimit = newlim->d_spc_warns;
+ defq->blk.warn = newlim->d_spc_warns;
if (newlim->d_fieldmask & QC_INO_WARNS)
- defq->iwarnlimit = newlim->d_ino_warns;
+ defq->ino.warn = newlim->d_ino_warns;
if (newlim->d_fieldmask & QC_RT_SPC_WARNS)
- defq->rtbwarnlimit = newlim->d_rt_spc_warns;
+ defq->rtb.warn = newlim->d_rt_spc_warns;
}

/*
@@ -579,11 +579,11 @@ xfs_qm_scall_setqlim(

if (id == 0) {
if (newlim->d_fieldmask & QC_SPC_TIMER)
- defq->btimelimit = newlim->d_spc_timer;
+ defq->blk.time = newlim->d_spc_timer;
if (newlim->d_fieldmask & QC_INO_TIMER)
- defq->itimelimit = newlim->d_ino_timer;
+ defq->ino.time = newlim->d_ino_timer;
if (newlim->d_fieldmask & QC_RT_SPC_TIMER)
- defq->rtbtimelimit = newlim->d_rt_spc_timer;
+ defq->rtb.time = newlim->d_rt_spc_timer;
}

if (id != 0) {
diff --git a/fs/xfs/xfs_quotaops.c b/fs/xfs/xfs_quotaops.c
index 963c253558b3..d27c0e852c0b 100644
--- a/fs/xfs/xfs_quotaops.c
+++ b/fs/xfs/xfs_quotaops.c
@@ -37,12 +37,12 @@ xfs_qm_fill_state(
tstate->flags |= QCI_SYSFILE;
tstate->blocks = ip->i_d.di_nblocks;
tstate->nextents = ip->i_df.if_nextents;
- tstate->spc_timelimit = (u32)defq->btimelimit;
- tstate->ino_timelimit = (u32)defq->itimelimit;
- tstate->rt_spc_timelimit = (u32)defq->rtbtimelimit;
- tstate->spc_warnlimit = defq->bwarnlimit;
- tstate->ino_warnlimit = defq->iwarnlimit;
- tstate->rt_spc_warnlimit = defq->rtbwarnlimit;
+ tstate->spc_timelimit = (u32)defq->blk.time;
+ tstate->ino_timelimit = (u32)defq->ino.time;
+ tstate->rt_spc_timelimit = (u32)defq->rtb.time;
+ tstate->spc_warnlimit = defq->blk.warn;
+ tstate->ino_warnlimit = defq->ino.warn;
+ tstate->rt_spc_warnlimit = defq->rtb.warn;
if (tempqip)
xfs_irele(ip);
}
diff --git a/fs/xfs/xfs_trans_dquot.c b/fs/xfs/xfs_trans_dquot.c
index 71f771c2fb34..f08d37747e7e 100644
--- a/fs/xfs/xfs_trans_dquot.c
+++ b/fs/xfs/xfs_trans_dquot.c
@@ -594,25 +594,25 @@ xfs_trans_dqresv(
if (flags & XFS_TRANS_DQ_RES_BLKS) {
hardlimit = dqp->q_blk.hardlimit;
if (!hardlimit)
- hardlimit = defq->bhardlimit;
+ hardlimit = defq->blk.hard;
softlimit = dqp->q_blk.softlimit;
if (!softlimit)
- softlimit = defq->bsoftlimit;
+ softlimit = defq->blk.soft;
timer = dqp->q_blk.timer;
warns = dqp->q_blk.warnings;
- warnlimit = defq->bwarnlimit;
+ warnlimit = defq->blk.warn;
resbcountp = &dqp->q_blk.reserved;
} else {
ASSERT(flags & XFS_TRANS_DQ_RES_RTBLKS);
hardlimit = dqp->q_rtb.hardlimit;
if (!hardlimit)
- hardlimit = defq->rtbhardlimit;
+ hardlimit = defq->rtb.hard;
softlimit = dqp->q_rtb.softlimit;
if (!softlimit)
- softlimit = defq->rtbsoftlimit;
+ softlimit = defq->rtb.soft;
timer = dqp->q_rtb.timer;
warns = dqp->q_rtb.warnings;
- warnlimit = defq->rtbwarnlimit;
+ warnlimit = defq->rtb.warn;
resbcountp = &dqp->q_rtb.reserved;
}

@@ -647,13 +647,13 @@ xfs_trans_dqresv(
total_count = dqp->q_ino.reserved + ninos;
timer = dqp->q_ino.timer;
warns = dqp->q_ino.warnings;
- warnlimit = defq->iwarnlimit;
+ warnlimit = defq->ino.warn;
hardlimit = dqp->q_ino.hardlimit;
if (!hardlimit)
- hardlimit = defq->ihardlimit;
+ hardlimit = defq->ino.hard;
softlimit = dqp->q_ino.softlimit;
if (!softlimit)
- softlimit = defq->isoftlimit;
+ softlimit = defq->ino.soft;

if (hardlimit && total_count > hardlimit) {
xfs_quota_warn(mp, dqp, QUOTA_NL_IHARDWARN);