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author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-10-12 19:56:06 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-10-12 19:56:06 +0200 |
commit | 3206e7d5e25ef94b5a29e2c81e6fb8d5fb48422f (patch) | |
tree | 15c5b41a5d1fd4d0576d19637dff19922460afcd /fs | |
parent | Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm (diff) | |
parent | quota: Generate warnings for DQUOT_SPACE_NOFAIL allocations (diff) | |
download | linux-3206e7d5e25ef94b5a29e2c81e6fb8d5fb48422f.tar.xz linux-3206e7d5e25ef94b5a29e2c81e6fb8d5fb48422f.zip |
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull quota fix from Jan Kara:
"A fix for a regression in handling of quota grace times and warnings"
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
quota: Generate warnings for DQUOT_SPACE_NOFAIL allocations
Diffstat (limited to 'fs')
-rw-r--r-- | fs/quota/dquot.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index 50b0556a124f..52ad15192e72 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -1297,21 +1297,18 @@ static int dquot_add_space(struct dquot *dquot, qsize_t space, spin_lock(&dquot->dq_dqb_lock); if (!sb_has_quota_limits_enabled(sb, dquot->dq_id.type) || test_bit(DQ_FAKE_B, &dquot->dq_flags)) - goto add; + goto finish; tspace = dquot->dq_dqb.dqb_curspace + dquot->dq_dqb.dqb_rsvspace + space + rsv_space; - if (flags & DQUOT_SPACE_NOFAIL) - goto add; - if (dquot->dq_dqb.dqb_bhardlimit && tspace > dquot->dq_dqb.dqb_bhardlimit && !ignore_hardlimit(dquot)) { if (flags & DQUOT_SPACE_WARN) prepare_warning(warn, dquot, QUOTA_NL_BHARDWARN); ret = -EDQUOT; - goto out; + goto finish; } if (dquot->dq_dqb.dqb_bsoftlimit && @@ -1322,7 +1319,7 @@ static int dquot_add_space(struct dquot *dquot, qsize_t space, if (flags & DQUOT_SPACE_WARN) prepare_warning(warn, dquot, QUOTA_NL_BSOFTLONGWARN); ret = -EDQUOT; - goto out; + goto finish; } if (dquot->dq_dqb.dqb_bsoftlimit && @@ -1338,13 +1335,21 @@ static int dquot_add_space(struct dquot *dquot, qsize_t space, * be always printed */ ret = -EDQUOT; - goto out; + goto finish; } } -add: - dquot->dq_dqb.dqb_rsvspace += rsv_space; - dquot->dq_dqb.dqb_curspace += space; -out: +finish: + /* + * We have to be careful and go through warning generation & grace time + * setting even if DQUOT_SPACE_NOFAIL is set. That's why we check it + * only here... + */ + if (flags & DQUOT_SPACE_NOFAIL) + ret = 0; + if (!ret) { + dquot->dq_dqb.dqb_rsvspace += rsv_space; + dquot->dq_dqb.dqb_curspace += space; + } spin_unlock(&dquot->dq_dqb_lock); return ret; } |