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| author | Chris Mason | 2007-10-19 20:01:21 +0200 |
|---|---|---|
| committer | Chris Mason | 2008-09-25 17:03:57 +0200 |
| commit | 5ee78ac70f6c01f2a5acf662c2af975665710edc (patch) | |
| tree | b6359b9df3d436a87853e84fed6a88fbb3aeb6d6 /fs/btrfs/ctree.c | |
| parent | Btrfs: Avoid recursive KM_USER1 mappings in copy_extent_buffer (diff) | |
| download | kernel-qcow2-linux-5ee78ac70f6c01f2a5acf662c2af975665710edc.tar.gz kernel-qcow2-linux-5ee78ac70f6c01f2a5acf662c2af975665710edc.tar.xz kernel-qcow2-linux-5ee78ac70f6c01f2a5acf662c2af975665710edc.zip | |
Btrfs: Fix split_leaf to avoid incorrect double splits
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/ctree.c')
| -rw-r--r-- | fs/btrfs/ctree.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index e8466940fa30..53e40b5c084d 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -1865,7 +1865,11 @@ static int split_leaf(struct btrfs_trans_handle *trans, struct btrfs_root return ret; } mid = slot; - double_split = 1; + if (mid != nritems && + leaf_space_used(l, mid, nritems - mid) + + space_needed > BTRFS_LEAF_DATA_SIZE(root)) { + double_split = 1; + } } } nritems = nritems - mid; |