提交 3de85bb9 编写于 作者: J Josef Bacik

Btrfs: noinline the cluster searching functions

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: NJosef Bacik <josef@redhat.com>
上级 86d4a77b
......@@ -2142,10 +2142,11 @@ static int btrfs_bitmap_cluster(struct btrfs_block_group_cache *block_group,
/*
* 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_ctl *ctl = block_group->free_space_ctl;
struct btrfs_free_space *first = NULL;
......@@ -2245,10 +2246,11 @@ 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_ctl *ctl = block_group->free_space_ctl;
struct btrfs_free_space *entry;
......
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