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| author |   Josef Bacik <jbacik@fusionio.com> | 2012-09-24 13:42:00 -0400 |
|---|---|---|
| committer |   Chris Mason <chris.mason@fusionio.com> | 2012-10-09 09:15:39 -0400 |
| commit | 67b0fd63d5466bb710677afd3d2b77926c55f662 (patch) | |
| tree | 13dfebfb76aa4bc9bb8c13835ecf552c2a5a8576 /fs | |
| parent | Btrfs: fix orphan transaction on the freezed filesystem (diff) | |
| download | linux-dev-67b0fd63d5466bb710677afd3d2b77926c55f662.tar.xz linux-dev-67b0fd63d5466bb710677afd3d2b77926c55f662.zip | |
Btrfs: run delayed refs first when out of space
Running delayed refs is faster than running delalloc, so lets do that first
to try and reclaim space. This makes my fs_mark test about 20% faster.
Thanks,
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/extent-tree.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 395e222e39ab..3270b1087850 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -3817,10 +3817,10 @@ commit: } enum flush_state { - FLUSH_DELALLOC = 1, - FLUSH_DELALLOC_WAIT = 2, - FLUSH_DELAYED_ITEMS_NR = 3, - FLUSH_DELAYED_ITEMS = 4, + FLUSH_DELAYED_ITEMS_NR = 1, + FLUSH_DELAYED_ITEMS = 2, + FLUSH_DELALLOC = 3, + FLUSH_DELALLOC_WAIT = 4, ALLOC_CHUNK = 5, COMMIT_TRANS = 6, }; @@ -3834,11 +3834,6 @@ static int flush_space(struct btrfs_root *root, int ret = 0; switch (state) { - case FLUSH_DELALLOC: - case FLUSH_DELALLOC_WAIT: - shrink_delalloc(root, num_bytes, orig_bytes, - state == FLUSH_DELALLOC_WAIT); - break; case FLUSH_DELAYED_ITEMS_NR: case FLUSH_DELAYED_ITEMS: if (state == FLUSH_DELAYED_ITEMS_NR) { @@ -3859,6 +3854,11 @@ static int flush_space(struct btrfs_root *root, ret = btrfs_run_delayed_items_nr(trans, root, nr); btrfs_end_transaction(trans, root); break; + case FLUSH_DELALLOC: + case FLUSH_DELALLOC_WAIT: + shrink_delalloc(root, num_bytes, orig_bytes, + state == FLUSH_DELALLOC_WAIT); + break; case ALLOC_CHUNK: trans = btrfs_join_transaction(root); if (IS_ERR(trans)) { @@ -3903,7 +3903,7 @@ static int reserve_metadata_bytes(struct btrfs_root *root, struct btrfs_space_info *space_info = block_rsv->space_info; u64 used; u64 num_bytes = orig_bytes; - int flush_state = FLUSH_DELALLOC; + int flush_state = FLUSH_DELAYED_ITEMS_NR; int ret = 0; bool flushing = false; bool committed = false; |