3 files changed, 32 insertions, 4 deletions

diff --git a/fs/xfs/quota/xfs_dquot.c b/fs/xfs/quota/xfs_dquot.c
index 68089f56d5cd..32ec7f4467d7 100644
--- a/fs/xfs/quota/xfs_dquot.c
+++ b/fs/xfs/quota/xfs_dquot.c
@@ -286,7 +286,9 @@ xfs_qm_adjust_dqlimits(
  * We also return 0 as the values of the timers in Q_GETQUOTA calls, when
  * enforcement's off.
  * In contrast, warnings are a little different in that they don't
- * 'automatically' get started when limits get exceeded.
+ * 'automatically' get started when limits get exceeded.  They do
+ * get reset to zero, however, when we find the count to be under
+ * the soft limit (they are only ever set non-zero via userspace).
  */
 void
 xfs_qm_adjust_dqtimers(
@@ -315,6 +317,8 @@ xfs_qm_adjust_dqtimers(
                                 INT_GET(d->d_blk_hardlimit, ARCH_CONVERT)))) {
                         INT_SET(d->d_btimer, ARCH_CONVERT,
                                 get_seconds() + XFS_QI_BTIMELIMIT(mp));
+                } else {
+                        d->d_bwarns = 0;
                 }
         } else {
                 if ((!d->d_blk_softlimit ||
@@ -336,6 +340,8 @@ xfs_qm_adjust_dqtimers(
                                 INT_GET(d->d_ino_hardlimit, ARCH_CONVERT)))) {
                         INT_SET(d->d_itimer, ARCH_CONVERT,
                                 get_seconds() + XFS_QI_ITIMELIMIT(mp));
+                } else {
+                        d->d_iwarns = 0;
                 }
         } else {
                 if ((!d->d_ino_softlimit ||
@@ -357,6 +363,8 @@ xfs_qm_adjust_dqtimers(
                                 INT_GET(d->d_rtb_hardlimit, ARCH_CONVERT)))) {
                         INT_SET(d->d_rtbtimer, ARCH_CONVERT,
                                 get_seconds() + XFS_QI_RTBTIMELIMIT(mp));
+                } else {
+                        d->d_rtbwarns = 0;
                 }
         } else {
                 if ((!d->d_rtb_softlimit ||
diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c
index 3254cb7b87f4..f665ca8f9e96 100644
--- a/fs/xfs/quota/xfs_qm.c
+++ b/fs/xfs/quota/xfs_qm.c
@@ -1550,8 +1550,10 @@ xfs_qm_reset_dqcounts(
                 INT_SET(ddq->d_rtbcount, ARCH_CONVERT, 0ULL);
                 INT_SET(ddq->d_btimer, ARCH_CONVERT, (time_t)0);
                 INT_SET(ddq->d_itimer, ARCH_CONVERT, (time_t)0);
+                INT_SET(ddq->d_rtbtimer, ARCH_CONVERT, (time_t)0);
                 INT_SET(ddq->d_bwarns, ARCH_CONVERT, 0UL);
                 INT_SET(ddq->d_iwarns, ARCH_CONVERT, 0UL);
+                INT_SET(ddq->d_rtbwarns, ARCH_CONVERT, 0UL);
                 ddq = (xfs_disk_dquot_t *) ((xfs_dqblk_t *)ddq + 1);
         }
 
diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c
index 365a054f02d6..68e98962dbef 100644
--- a/fs/xfs/quota/xfs_qm_syscalls.c
+++ b/fs/xfs/quota/xfs_qm_syscalls.c
@@ -617,7 +617,8 @@ xfs_qm_scall_setqlim(
         if (!capable(CAP_SYS_ADMIN))
                 return XFS_ERROR(EPERM);
 
-        if ((newlim->d_fieldmask & (FS_DQ_LIMIT_MASK|FS_DQ_TIMER_MASK)) == 0)
+        if ((newlim->d_fieldmask &
+            (FS_DQ_LIMIT_MASK|FS_DQ_TIMER_MASK|FS_DQ_WARNS_MASK)) == 0)
                 return (0);
 
         tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SETQLIM);
@@ -702,12 +703,23 @@ xfs_qm_scall_setqlim(
                 qdprintk("ihard %Ld < isoft %Ld\n", hard, soft);
         }
 
+        /*
+         * Update warnings counter(s) if requested
+         */
+        if (newlim->d_fieldmask & FS_DQ_BWARNS)
+                INT_SET(ddq->d_bwarns, ARCH_CONVERT, newlim->d_bwarns);
+        if (newlim->d_fieldmask & FS_DQ_IWARNS)
+                INT_SET(ddq->d_iwarns, ARCH_CONVERT, newlim->d_iwarns);
+        if (newlim->d_fieldmask & FS_DQ_RTBWARNS)
+                INT_SET(ddq->d_rtbwarns, ARCH_CONVERT, newlim->d_rtbwarns);
+
         if (id == 0) {
                 /*
                  * Timelimits for the super user set the relative time
                  * the other users can be over quota for this file system.
                  * If it is zero a default is used.  Ditto for the default
-                 * soft and hard limit values (already done, above).
+                 * soft and hard limit values (already done, above), and
+                 * for warnings.
                  */
                 if (newlim->d_fieldmask & FS_DQ_BTIMER) {
                         mp->m_quotainfo->qi_btimelimit = newlim->d_btimer;
@@ -721,7 +733,13 @@ xfs_qm_scall_setqlim(
                         mp->m_quotainfo->qi_rtbtimelimit = newlim->d_rtbtimer;
                         INT_SET(ddq->d_rtbtimer, ARCH_CONVERT, newlim->d_rtbtimer);
                 }
-        } else /* if (XFS_IS_QUOTA_ENFORCED(mp)) */ {
+                if (newlim->d_fieldmask & FS_DQ_BWARNS)
+                        mp->m_quotainfo->qi_bwarnlimit = newlim->d_bwarns;
+                if (newlim->d_fieldmask & FS_DQ_IWARNS)
+                        mp->m_quotainfo->qi_iwarnlimit = newlim->d_iwarns;
+                if (newlim->d_fieldmask & FS_DQ_RTBWARNS)
+                        mp->m_quotainfo->qi_rtbwarnlimit = newlim->d_rtbwarns;
+        } else {
                 /*
                  * If the user is now over quota, start the timelimit.
                  * The user will not be 'warned'.