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| author | Zhao Lei <zhaolei@cn.fujitsu.com> | 2015-12-31 13:30:00 +0100 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2016-02-18 10:26:12 +0100 |
| commit | 1e7970c0f31d6916e0ab523e5f05c9741f71955f (patch) | |
| tree | 7be12a695a75725595c61c991ca27379bc37f0ba /fs/btrfs/reada.c | |
| parent | btrfs: reada: bypass adding extent when all zone failed (diff) | |
| download | linux-1e7970c0f31d6916e0ab523e5f05c9741f71955f.tar.xz linux-1e7970c0f31d6916e0ab523e5f05c9741f71955f.zip | |
btrfs: reada: Remove level argument in severial functions
level is not used in severial functions, remove them from arguments,
and remove relative code for get its value.
Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/reada.c')
| -rw-r--r-- | fs/btrfs/reada.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c index 1d00de7369a8..b40dbf717737 100644 --- a/fs/btrfs/reada.c +++ b/fs/btrfs/reada.c @@ -101,7 +101,7 @@ static void reada_start_machine(struct btrfs_fs_info *fs_info); static void __reada_start_machine(struct btrfs_fs_info *fs_info); static int reada_add_block(struct reada_control *rc, u64 logical, - struct btrfs_key *top, int level, u64 generation); + struct btrfs_key *top, u64 generation); /* recurses */ /* in case of err, eb might be NULL */ @@ -197,8 +197,7 @@ static int __readahead_hook(struct btrfs_root *root, struct extent_buffer *eb, if (rec->generation == generation && btrfs_comp_cpu_keys(&key, &rc->key_end) < 0 && btrfs_comp_cpu_keys(&next_key, &rc->key_start) > 0) - reada_add_block(rc, bytenr, &next_key, - level - 1, n_gen); + reada_add_block(rc, bytenr, &next_key, n_gen); } } /* @@ -315,7 +314,7 @@ static struct reada_zone *reada_find_zone(struct btrfs_fs_info *fs_info, static struct reada_extent *reada_find_extent(struct btrfs_root *root, u64 logical, - struct btrfs_key *top, int level) + struct btrfs_key *top) { int ret; struct reada_extent *re = NULL; @@ -557,13 +556,13 @@ static void reada_control_release(struct kref *kref) } static int reada_add_block(struct reada_control *rc, u64 logical, - struct btrfs_key *top, int level, u64 generation) + struct btrfs_key *top, u64 generation) { struct btrfs_root *root = rc->root; struct reada_extent *re; struct reada_extctl *rec; - re = reada_find_extent(root, logical, top, level); /* takes one ref */ + re = reada_find_extent(root, logical, top); /* takes one ref */ if (!re) return -1; @@ -916,7 +915,6 @@ struct reada_control *btrfs_reada_add(struct btrfs_root *root, struct reada_control *rc; u64 start; u64 generation; - int level; int ret; struct extent_buffer *node; static struct btrfs_key max_key = { @@ -939,11 +937,10 @@ struct reada_control *btrfs_reada_add(struct btrfs_root *root, node = btrfs_root_node(root); start = node->start; - level = btrfs_header_level(node); generation = btrfs_header_generation(node); free_extent_buffer(node); - ret = reada_add_block(rc, start, &max_key, level, generation); + ret = reada_add_block(rc, start, &max_key, generation); if (ret) { kfree(rc); return ERR_PTR(ret); |