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authorChristoph Hellwig <hch@infradead.org>2010-01-18 01:36:19 +0300
committerAlex Elder <aelder@sgi.com>2010-01-21 22:44:28 +0300
commita210c1aa7f6c90b729cc3a72d03e789b13cb6c47 (patch)
treeff454424108c99d97fd0797d52330b711f65154a /fs/xfs
parent4d1f88d75b00c4d23f4c51305ab5b779a86ef74e (diff)
downloadlinux-a210c1aa7f6c90b729cc3a72d03e789b13cb6c47.tar.xz
xfs: implement quota warnings via netlink
Wire up quota_send_warning to send quota warnings over netlink. This is used by various desktops to show user quota warnings. Tested by running the quota_nld daemon while running the xfstest quota tests and observing the warnings. I'll see how I can get a more formal testcase for it written. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Alex Elder <aelder@sgi.com>
Diffstat (limited to 'fs/xfs')
-rw-r--r--fs/xfs/quota/xfs_trans_dquot.c49
1 files changed, 39 insertions, 10 deletions
diff --git a/fs/xfs/quota/xfs_trans_dquot.c b/fs/xfs/quota/xfs_trans_dquot.c
index b9db6f781cd6..c3ab75cb1d9a 100644
--- a/fs/xfs/quota/xfs_trans_dquot.c
+++ b/fs/xfs/quota/xfs_trans_dquot.c
@@ -589,6 +589,20 @@ xfs_trans_unreserve_and_mod_dquots(
}
}
+STATIC void
+xfs_quota_warn(
+ struct xfs_mount *mp,
+ struct xfs_dquot *dqp,
+ int type)
+{
+ /* no warnings for project quotas - we just return ENOSPC later */
+ if (dqp->dq_flags & XFS_DQ_PROJ)
+ return;
+ quota_send_warning((dqp->dq_flags & XFS_DQ_USER) ? USRQUOTA : GRPQUOTA,
+ be32_to_cpu(dqp->q_core.d_id), mp->m_super->s_dev,
+ type);
+}
+
/*
* This reserves disk blocks and inodes against a dquot.
* Flags indicate if the dquot is to be locked here and also
@@ -657,13 +671,21 @@ 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 &&
- ((timer != 0 && get_seconds() > timer) ||
- (warns != 0 && warns >= warnlimit)))
- goto error_return;
+ softlimit <= nblks + *resbcountp) {
+ if ((timer != 0 && get_seconds() > timer) ||
+ (warns != 0 && warns >= warnlimit)) {
+ xfs_quota_warn(mp, dqp,
+ QUOTA_NL_BSOFTLONGWARN);
+ goto error_return;
+ }
+
+ xfs_quota_warn(mp, dqp, QUOTA_NL_BSOFTWARN);
+ }
}
if (ninos > 0) {
count = be64_to_cpu(dqp->q_core.d_icount);
@@ -677,12 +699,19 @@ xfs_trans_dqresv(
if (!softlimit)
softlimit = q->qi_isoftlimit;
- if (hardlimit > 0ULL && count >= hardlimit)
- goto error_return;
- if (softlimit > 0ULL && count >= softlimit &&
- ((timer != 0 && get_seconds() > timer) ||
- (warns != 0 && warns >= warnlimit)))
+ if (hardlimit > 0ULL && count >= hardlimit) {
+ xfs_quota_warn(mp, dqp, QUOTA_NL_IHARDWARN);
goto error_return;
+ }
+ if (softlimit > 0ULL && count >= softlimit) {
+ if ((timer != 0 && get_seconds() > timer) ||
+ (warns != 0 && warns >= warnlimit)) {
+ xfs_quota_warn(mp, dqp,
+ QUOTA_NL_ISOFTLONGWARN);
+ goto error_return;
+ }
+ xfs_quota_warn(mp, dqp, QUOTA_NL_ISOFTWARN);
+ }
}
}