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Btrfs: do not BUG_ON on aborted situation

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Btrfs balance can easily hit BUG_ON in these places, but we want
to it bail out gracefully after we force the whole filesystem to
readonly.  So we use btrfs_std_error hook in place of BUG_ON.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
This commit is contained in:
Liu Bo
2013-03-04 16:25:40 +00:00
committed by Josef Bacik
parent 288189471d
commit 0f788c5819
2 changed files with 12 additions and 3 deletions
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6
fs/btrfs/relocation.c
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@@ -3771,7 +3771,11 @@ static noinline_for_stack int relocate_block_group(struct reloc_control *rc)
while (1) {
progress++;
trans = btrfs_start_transaction(rc->extent_root, 0);
BUG_ON(IS_ERR(trans));
if (IS_ERR(trans)) {
err = PTR_ERR(trans);
trans = NULL;
break;
}
restart:
if (update_backref_cache(trans, &rc->backref_cache)) {
btrfs_end_transaction(trans, rc->extent_root);