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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_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
#endif
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