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authorWang Shilong <wangsl-fnst@cn.fujitsu.com>2013-03-06 11:51:47 +0000
committerChris Mason <chris.mason@fusionio.com>2013-03-14 14:57:29 -0400
commit720f1e2060138855b4a1b1e8aa642f9c7feb6750 (patch)
tree797d17e6d4e620e7842fc7ce26672ab17904c6d4 /fs
parent492104c866cb1b62a11393adccb477f5cd2c7768 (diff)
Btrfs: return as soon as possible when edquot happens
If one of qgroup fails to reserve firstly, we should return immediately, it is unnecessary to continue check. Signed-off-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com> Signed-off-by: Josef Bacik <jbacik@fusionio.com> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/btrfs/qgroup.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index aee4b1cc3d98..5471e47d6559 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -1525,21 +1525,23 @@ int btrfs_qgroup_reserve(struct btrfs_root *root, u64 num_bytes)
if ((qg->lim_flags & BTRFS_QGROUP_LIMIT_MAX_RFER) &&
qg->reserved + qg->rfer + num_bytes >
- qg->max_rfer)
+ qg->max_rfer) {
ret = -EDQUOT;
+ goto out;
+ }
if ((qg->lim_flags & BTRFS_QGROUP_LIMIT_MAX_EXCL) &&
qg->reserved + qg->excl + num_bytes >
- qg->max_excl)
+ qg->max_excl) {
ret = -EDQUOT;
+ goto out;
+ }
list_for_each_entry(glist, &qg->groups, next_group) {
ulist_add(ulist, glist->group->qgroupid,
(uintptr_t)glist->group, GFP_ATOMIC);
}
}
- if (ret)
- goto out;
/*
* no limits exceeded, now record the reservation into all qgroups

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