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| author | Chris Mason <chris.mason@fusionio.com> | 2012-08-07 23:34:49 +0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2012-08-29 00:53:34 +0400 |
| commit | b12a3b1ea209d9dec02731fba58c3dbe7d31cfd8 (patch) | |
| tree | 9e4a1e663a040b5b8af6b266bcb53a6a7fba437f /fs/btrfs | |
| parent | 6fc823b10f333313deb0b5d9069cbfd3a3f99f3a (diff) | |
| download | linux-b12a3b1ea209d9dec02731fba58c3dbe7d31cfd8.tar.xz | |
Btrfs: don't run __tree_mod_log_free_eb on leaves
When we split a leaf, we may end up inserting a new root on top of that
leaf. The reflog code was incorrectly assuming the old root was always
a node. This makes sure we skip over leaves.
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/ctree.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index 08e0b11ba0a1..6d183f60d63a 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -625,6 +625,9 @@ __tree_mod_log_free_eb(struct btrfs_fs_info *fs_info, struct extent_buffer *eb) u32 nritems; int ret; + if (btrfs_header_level(eb) == 0) + return; + nritems = btrfs_header_nritems(eb); for (i = nritems - 1; i >= 0; i--) { ret = tree_mod_log_insert_key_locked(fs_info, eb, i, |