[PATCH 2/3] xfs: change available ranges of softlimit and hardlimit in quota check

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In general, quota allows us to use disk blocks and inodes to each limit,
that is, they are available if they don't exceed their limitations.
Current xfs sets their available ranges to lower than them. So, this
patch changes the ranges to not greater than them.

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_dquot.c       |   24 ++++++++++++------------
 fs/xfs/xfs_log_recover.c |    6 +++---
 fs/xfs/xfs_qm_syscalls.c |    4 ++--
 fs/xfs/xfs_trans_dquot.c |    8 ++++----
 4 files changed, 21 insertions(+), 21 deletions(-)

diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c
index b4ff40b..307e4a3 100644
--- a/fs/xfs/xfs_dquot.c
+++ b/fs/xfs/xfs_dquot.c
@@ -215,10 +215,10 @@ xfs_qm_adjust_dqtimers(
 
 	if (!d->d_btimer) {
 		if ((d->d_blk_softlimit &&
-		     (be64_to_cpu(d->d_bcount) >=
+		     (be64_to_cpu(d->d_bcount) >
 		      be64_to_cpu(d->d_blk_softlimit))) ||
 		    (d->d_blk_hardlimit &&
-		     (be64_to_cpu(d->d_bcount) >=
+		     (be64_to_cpu(d->d_bcount) >
 		      be64_to_cpu(d->d_blk_hardlimit)))) {
 			d->d_btimer = cpu_to_be32(get_seconds() +
 					mp->m_quotainfo->qi_btimelimit);
@@ -227,10 +227,10 @@ xfs_qm_adjust_dqtimers(
 		}
 	} else {
 		if ((!d->d_blk_softlimit ||
-		     (be64_to_cpu(d->d_bcount) <
+		     (be64_to_cpu(d->d_bcount) <=
 		      be64_to_cpu(d->d_blk_softlimit))) &&
 		    (!d->d_blk_hardlimit ||
-		    (be64_to_cpu(d->d_bcount) <
+		    (be64_to_cpu(d->d_bcount) <=
 		     be64_to_cpu(d->d_blk_hardlimit)))) {
 			d->d_btimer = 0;
 		}
@@ -238,10 +238,10 @@ xfs_qm_adjust_dqtimers(
 
 	if (!d->d_itimer) {
 		if ((d->d_ino_softlimit &&
-		     (be64_to_cpu(d->d_icount) >=
+		     (be64_to_cpu(d->d_icount) >
 		      be64_to_cpu(d->d_ino_softlimit))) ||
 		    (d->d_ino_hardlimit &&
-		     (be64_to_cpu(d->d_icount) >=
+		     (be64_to_cpu(d->d_icount) >
 		      be64_to_cpu(d->d_ino_hardlimit)))) {
 			d->d_itimer = cpu_to_be32(get_seconds() +
 					mp->m_quotainfo->qi_itimelimit);
@@ -250,10 +250,10 @@ xfs_qm_adjust_dqtimers(
 		}
 	} else {
 		if ((!d->d_ino_softlimit ||
-		     (be64_to_cpu(d->d_icount) <
+		     (be64_to_cpu(d->d_icount) <=
 		      be64_to_cpu(d->d_ino_softlimit)))  &&
 		    (!d->d_ino_hardlimit ||
-		     (be64_to_cpu(d->d_icount) <
+		     (be64_to_cpu(d->d_icount) <=
 		      be64_to_cpu(d->d_ino_hardlimit)))) {
 			d->d_itimer = 0;
 		}
@@ -261,10 +261,10 @@ xfs_qm_adjust_dqtimers(
 
 	if (!d->d_rtbtimer) {
 		if ((d->d_rtb_softlimit &&
-		     (be64_to_cpu(d->d_rtbcount) >=
+		     (be64_to_cpu(d->d_rtbcount) >
 		      be64_to_cpu(d->d_rtb_softlimit))) ||
 		    (d->d_rtb_hardlimit &&
-		     (be64_to_cpu(d->d_rtbcount) >=
+		     (be64_to_cpu(d->d_rtbcount) >
 		      be64_to_cpu(d->d_rtb_hardlimit)))) {
 			d->d_rtbtimer = cpu_to_be32(get_seconds() +
 					mp->m_quotainfo->qi_rtbtimelimit);
@@ -273,10 +273,10 @@ xfs_qm_adjust_dqtimers(
 		}
 	} else {
 		if ((!d->d_rtb_softlimit ||
-		     (be64_to_cpu(d->d_rtbcount) <
+		     (be64_to_cpu(d->d_rtbcount) <=
 		      be64_to_cpu(d->d_rtb_softlimit))) &&
 		    (!d->d_rtb_hardlimit ||
-		     (be64_to_cpu(d->d_rtbcount) <
+		     (be64_to_cpu(d->d_rtbcount) <=
 		      be64_to_cpu(d->d_rtb_hardlimit)))) {
 			d->d_rtbtimer = 0;
 		}
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 541a508..d3ce9ad 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -1981,7 +1981,7 @@ xfs_qm_dqcheck(
 
 	if (!errs && ddq->d_id) {
 		if (ddq->d_blk_softlimit &&
-		    be64_to_cpu(ddq->d_bcount) >=
+		    be64_to_cpu(ddq->d_bcount) >
 				be64_to_cpu(ddq->d_blk_softlimit)) {
 			if (!ddq->d_btimer) {
 				if (flags & XFS_QMOPT_DOWARN)
@@ -1992,7 +1992,7 @@ xfs_qm_dqcheck(
 			}
 		}
 		if (ddq->d_ino_softlimit &&
-		    be64_to_cpu(ddq->d_icount) >=
+		    be64_to_cpu(ddq->d_icount) >
 				be64_to_cpu(ddq->d_ino_softlimit)) {
 			if (!ddq->d_itimer) {
 				if (flags & XFS_QMOPT_DOWARN)
@@ -2003,7 +2003,7 @@ xfs_qm_dqcheck(
 			}
 		}
 		if (ddq->d_rtb_softlimit &&
-		    be64_to_cpu(ddq->d_rtbcount) >=
+		    be64_to_cpu(ddq->d_rtbcount) >
 				be64_to_cpu(ddq->d_rtb_softlimit)) {
 			if (!ddq->d_rtbtimer) {
 				if (flags & XFS_QMOPT_DOWARN)
diff --git a/fs/xfs/xfs_qm_syscalls.c b/fs/xfs/xfs_qm_syscalls.c
index eafbcff..711a86e 100644
--- a/fs/xfs/xfs_qm_syscalls.c
+++ b/fs/xfs/xfs_qm_syscalls.c
@@ -813,11 +813,11 @@ xfs_qm_export_dquot(
 	     (XFS_IS_OQUOTA_ENFORCED(mp) &&
 			(dst->d_flags & (FS_PROJ_QUOTA | FS_GROUP_QUOTA)))) &&
 	    dst->d_id != 0) {
-		if (((int) dst->d_bcount >= (int) dst->d_blk_softlimit) &&
+		if (((int) dst->d_bcount > (int) dst->d_blk_softlimit) &&
 		    (dst->d_blk_softlimit > 0)) {
 			ASSERT(dst->d_btimer != 0);
 		}
-		if (((int) dst->d_icount >= (int) dst->d_ino_softlimit) &&
+		if (((int) dst->d_icount > (int) dst->d_ino_softlimit) &&
 		    (dst->d_ino_softlimit > 0)) {
 			ASSERT(dst->d_itimer != 0);
 		}
diff --git a/fs/xfs/xfs_trans_dquot.c b/fs/xfs/xfs_trans_dquot.c
index eb29fe1..c4ba366 100644
--- a/fs/xfs/xfs_trans_dquot.c
+++ b/fs/xfs/xfs_trans_dquot.c
@@ -649,12 +649,12 @@ xfs_trans_dqresv(
 			 * nblks.
 			 */
 			if (hardlimit > 0ULL &&
-			    hardlimit <= nblks + *resbcountp) {
+			    hardlimit < nblks + *resbcountp) {
 				xfs_quota_warn(mp, dqp, QUOTA_NL_BHARDWARN);
 				goto error_return;
 			}
 			if (softlimit > 0ULL &&
-			    softlimit <= nblks + *resbcountp) {
+			    softlimit < nblks + *resbcountp) {
 				if ((timer != 0 && get_seconds() > timer) ||
 				    (warns != 0 && warns >= warnlimit)) {
 					xfs_quota_warn(mp, dqp,
@@ -678,12 +678,12 @@ xfs_trans_dqresv(
 				softlimit = q->qi_isoftlimit;
 
 			if (hardlimit > 0ULL &&
-			    hardlimit <= ninos + count) {
+			    hardlimit < ninos + count) {
 				xfs_quota_warn(mp, dqp, QUOTA_NL_IHARDWARN);
 				goto error_return;
 			}
 			if (softlimit > 0ULL &&
-			    softlimit <= ninos + count) {
+			    softlimit < ninos + count) {
 				if  ((timer != 0 && get_seconds() > timer) ||
 				     (warns != 0 && warns >= warnlimit)) {
 					xfs_quota_warn(mp, dqp,

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