summaryrefslogtreecommitdiffstats
path: root/fs/btrfs/qgroup.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2012-08-29 11:36:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-08-29 11:36:22 -0700
commit318e15101993c0fdc3f23f24ac61fc7769d27e68 (patch)
tree98e2805502dc83f64c632706aabe06391469df32 /fs/btrfs/qgroup.c
parenta7ccbcf3307022c48810eebd99aa8dba84f13caf (diff)
parent256dd1bb3750ac5ad49b40887c1691788dc44b33 (diff)
downloadlinux-318e15101993c0fdc3f23f24ac61fc7769d27e68.tar.bz2
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason: "I've split out the big send/receive update from my last pull request and now have just the fixes in my for-linus branch. The send/recv branch will wander over to linux-next shortly though. The largest patches in this pull are Josef's patches to fix DIO locking problems and his patch to fix a crash during balance. They are both well tested. The rest are smaller fixes that we've had queued. The last rc came out while I was hacking new and exciting ways to recover from a misplaced rm -rf on my dev box, so these missed rc3." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (25 commits) Btrfs: fix that repair code is spuriously executed for transid failures Btrfs: fix ordered extent leak when failing to start a transaction Btrfs: fix a dio write regression Btrfs: fix deadlock with freeze and sync V2 Btrfs: revert checksum error statistic which can cause a BUG() Btrfs: remove superblock writing after fatal error Btrfs: allow delayed refs to be merged Btrfs: fix enospc problems when deleting a subvol Btrfs: fix wrong mtime and ctime when creating snapshots Btrfs: fix race in run_clustered_refs Btrfs: don't run __tree_mod_log_free_eb on leaves Btrfs: increase the size of the free space cache Btrfs: barrier before waitqueue_active Btrfs: fix deadlock in wait_for_more_refs btrfs: fix second lock in btrfs_delete_delayed_items() Btrfs: don't allocate a seperate csums array for direct reads Btrfs: do not strdup non existent strings Btrfs: do not use missing devices when showing devname Btrfs: fix that error value is changed by mistake Btrfs: lock extents as we map them in DIO ...
Diffstat (limited to 'fs/btrfs/qgroup.c')
-rw-r--r--fs/btrfs/qgroup.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
index bc424ae5a81a..38b42e7bc91d 100644
--- a/fs/btrfs/qgroup.c
+++ b/fs/btrfs/qgroup.c
@@ -1364,13 +1364,17 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans,
spin_lock(&fs_info->qgroup_lock);
dstgroup = add_qgroup_rb(fs_info, objectid);
- if (!dstgroup)
+ if (IS_ERR(dstgroup)) {
+ ret = PTR_ERR(dstgroup);
goto unlock;
+ }
if (srcid) {
srcgroup = find_qgroup_rb(fs_info, srcid);
- if (!srcgroup)
+ if (!srcgroup) {
+ ret = -EINVAL;
goto unlock;
+ }
dstgroup->rfer = srcgroup->rfer - level_size;
dstgroup->rfer_cmpr = srcgroup->rfer_cmpr - level_size;
srcgroup->excl = level_size;
@@ -1379,8 +1383,10 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans,
qgroup_dirty(fs_info, srcgroup);
}
- if (!inherit)
+ if (!inherit) {
+ ret = -EINVAL;
goto unlock;
+ }
i_qgroups = (u64 *)(inherit + 1);
for (i = 0; i < inherit->num_qgroups; ++i) {