When profiling the find cluster code it''s hard to tell where we are
spending our
time because the bitmap and non-bitmap functions get inlined by the compiler, so
make that not happen. Thanks,
Signed-off-by: Josef Bacik <josef@redhat.com>
---
fs/btrfs/free-space-cache.c | 18 ++++++++++--------
1 files changed, 10 insertions(+), 8 deletions(-)
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 0bfea7b..a827c97 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -2060,10 +2060,11 @@ again:
/*
* This searches the block group for just extents to fill the cluster with.
*/
-static int setup_cluster_no_bitmap(struct btrfs_block_group_cache *block_group,
- struct btrfs_free_cluster *cluster,
- struct list_head *bitmaps,
- u64 offset, u64 bytes, u64 min_bytes)
+static noinline int
+setup_cluster_no_bitmap(struct btrfs_block_group_cache *block_group,
+ struct btrfs_free_cluster *cluster,
+ struct list_head *bitmaps, u64 offset, u64 bytes,
+ u64 min_bytes)
{
struct btrfs_free_space *first = NULL;
struct btrfs_free_space *entry = NULL;
@@ -2162,10 +2163,11 @@ static int setup_cluster_no_bitmap(struct
btrfs_block_group_cache *block_group,
* This specifically looks for bitmaps that may work in the cluster, we assume
* that we have already failed to find extents that will work.
*/
-static int setup_cluster_bitmap(struct btrfs_block_group_cache *block_group,
- struct btrfs_free_cluster *cluster,
- struct list_head *bitmaps,
- u64 offset, u64 bytes, u64 min_bytes)
+static noinline int
+setup_cluster_bitmap(struct btrfs_block_group_cache *block_group,
+ struct btrfs_free_cluster *cluster,
+ struct list_head *bitmaps, u64 offset, u64 bytes,
+ u64 min_bytes)
{
struct btrfs_free_space *entry;
struct rb_node *node;
--
1.7.2.3
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