Btrfs: add btrfs_trim_fs() to handle FITRIM

[deliverable/linux.git] / fs / btrfs / free-space-cache.h

diff --git a/fs/btrfs/free-space-cache.h b/fs/btrfs/free-space-cache.h
index e49ca5c321b571e5886c557e76d131441f1acc87..65c3b935289f3814747947e8967e091cf0e4b1a3 100644 (file)
--- a/fs/btrfs/free-space-cache.h
+++ b/fs/btrfs/free-space-cache.h
@@ -68,4 +68,6 @@ u64 btrfs_alloc_from_cluster(struct btrfs_block_group_cache *block_group,
 int btrfs_return_cluster_to_free_space(
                               struct btrfs_block_group_cache *block_group,
                               struct btrfs_free_cluster *cluster);
+int btrfs_trim_block_group(struct btrfs_block_group_cache *block_group,
+                          u64 *trimmed, u64 start, u64 end, u64 minlen);
 #endif