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| author | Mark Fasheh <mfasheh@suse.com> | 2011-08-29 14:30:39 -0700 |
|---|---|---|
| committer | David Sterba <dsterba@suse.cz> | 2012-03-22 01:45:38 +0100 |
| commit | b68dc2a93e794c8507338c91577a277efa4555d5 (patch) | |
| tree | b4e8cbdafdd893a22abbbd7edca989ea018b6a72 /fs/btrfs/ctree.c | |
| parent | e5df957328b18baa731307c66cfe8e7a4981df65 (diff) | |
| download | op-kernel-dev-b68dc2a93e794c8507338c91577a277efa4555d5.zip op-kernel-dev-b68dc2a93e794c8507338c91577a277efa4555d5.tar.gz | |
btrfs: Don't BUG_ON errors from update_ref_for_cow()
__btrfs_cow_block(), the only caller of update_ref_for_cow() will BUG_ON()
any error return. Instead, we can go read-only fs as update_ref_for_cow()
manipulates disk data in a way which doesn't look like it's easily rolled
back.
Signed-off-by: Mark Fasheh <mfasheh@suse.de>
Diffstat (limited to 'fs/btrfs/ctree.c')
| -rw-r--r-- | fs/btrfs/ctree.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index 3b767d2..36e16bd 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -474,7 +474,10 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans, BTRFS_FSID_SIZE); ret = update_ref_for_cow(trans, root, buf, cow, &last_ref); - BUG_ON(ret); + if (ret) { + btrfs_std_error(root->fs_info, ret); + return ret; + } if (root->ref_cows) btrfs_reloc_cow_block(trans, root, buf, cow); |
