Filipe David Borba Manana
2013-Nov-26 15:01 UTC
[PATCH] Btrfs: add missing extent state caching calls
When we didn''t find a matching extent state, we inserted a new one but didn''t cache it in the **cached_state parameter, which makes a subsequent call do a tree lookup to get it. Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com> --- fs/btrfs/extent_io.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index cb9ce69..b8e7e41 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -817,6 +817,7 @@ again: if (err) extent_io_tree_panic(tree, err); + cache_state(prealloc, cached_state); prealloc = NULL; goto out; } @@ -1040,9 +1041,10 @@ again: goto out; } err = insert_state(tree, prealloc, start, end, &bits); - prealloc = NULL; if (err) extent_io_tree_panic(tree, err); + cache_state(prealloc, cached_state); + prealloc = NULL; goto out; } state = rb_entry(node, struct extent_state, rb_node); -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html