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| author | Josef Bacik <josef@redhat.com> | 2011-05-25 13:07:37 -0400 |
|---|---|---|
| committer | Josef Bacik <josef@redhat.com> | 2011-06-08 15:08:30 -0400 |
| commit | 3de85bb95cc50d0977cbb7a0c605e894be4c790d (patch) | |
| tree | bb2b0a07f070c1e0cd50b41962cedcccf8428fd8 /fs/btrfs | |
| parent | 86d4a77ba3dc4ace238a0556541a41df2bd71d49 (diff) | |
| download | kernel_samsung_smdk4412-3de85bb95cc50d0977cbb7a0c605e894be4c790d.tar.gz kernel_samsung_smdk4412-3de85bb95cc50d0977cbb7a0c605e894be4c790d.tar.bz2 kernel_samsung_smdk4412-3de85bb95cc50d0977cbb7a0c605e894be4c790d.zip | |
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: Josef Bacik <josef@redhat.com>
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | 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 930c07f79b3..f56caacfd8a 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -2142,10 +2142,11 @@ 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_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; |