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| author | Chris Mason <chris.mason@oracle.com> | 2007-10-25 15:43:18 -0400 |
|---|---|---|
| committer | Chris Mason <chris.mason@oracle.com> | 2008-09-25 11:03:57 -0400 |
| commit | 5708b9591617486bf1aa5b1a97f2c0549ec87933 (patch) | |
| tree | e2d5f219c090ecda4bc9265027b41be2c70a57ad /fs/btrfs/tree-defrag.c | |
| parent | 18f16f7ba62a01c29e09b40ac6ad6d92a8955859 (diff) | |
| download | lwn-5708b9591617486bf1aa5b1a97f2c0549ec87933.tar.gz lwn-5708b9591617486bf1aa5b1a97f2c0549ec87933.zip | |
Btrfs: Tune the automatic defrag code
1) Forced defrag wasn't working properly (btrfsctl -d) because some
cache only checks were incorrect.
2) Defrag only the leaves unless in forced defrag mode.
3) Don't use complex logic to figure out if a leaf is needs defrag
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/tree-defrag.c')
| -rw-r--r-- | fs/btrfs/tree-defrag.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/fs/btrfs/tree-defrag.c b/fs/btrfs/tree-defrag.c index b02355a7b143..65ef12351566 100644 --- a/fs/btrfs/tree-defrag.c +++ b/fs/btrfs/tree-defrag.c @@ -183,7 +183,6 @@ int btrfs_defrag_leaves(struct btrfs_trans_handle *trans, if (level == 0) { goto out; } - if (root->defrag_progress.objectid == 0) { extent_buffer_get(root->node); ret = btrfs_cow_block(trans, root, root->node, NULL, 0, &tmp); |