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| author | Chris Mason <chris.mason@oracle.com> | 2011-12-15 19:36:29 +0100 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2011-12-15 19:36:29 +0100 |
| commit | e755d9ab387c4c2401dce5b6f435432a829f41cb (patch) | |
| tree | fcec42ac109be4c291e03de111603fd7086fd91a | |
| parent | BTRFS: Establish i_ops before calling d_instantiate (diff) | |
| download | linux-e755d9ab387c4c2401dce5b6f435432a829f41cb.tar.xz linux-e755d9ab387c4c2401dce5b6f435432a829f41cb.zip | |
Btrfs: deal with NULL srv_rsv in the delalloc inode reservation code
btrfs_update_inode is sometimes called with a null reservation.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
| -rw-r--r-- | fs/btrfs/delayed-inode.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c index 6a1a6800776c..c7ddf8a01c54 100644 --- a/fs/btrfs/delayed-inode.c +++ b/fs/btrfs/delayed-inode.c @@ -640,8 +640,8 @@ static int btrfs_delayed_inode_reserve_metadata( * Now if src_rsv == delalloc_block_rsv we'll let it just steal since * we're accounted for. */ - if (!trans->bytes_reserved && - src_rsv != &root->fs_info->delalloc_block_rsv) { + if (!src_rsv || (!trans->bytes_reserved && + src_rsv != &root->fs_info->delalloc_block_rsv)) { ret = btrfs_block_rsv_add_noflush(root, dst_rsv, num_bytes); /* * Since we're under a transaction reserve_metadata_bytes could |