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| author | Lu Fengqi <lufq.fnst@cn.fujitsu.com> | 2018-10-11 13:40:38 +0800 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2018-10-15 17:23:41 +0200 |
| commit | d9352794dad9f28535439d85a815978878c141ab (patch) | |
| tree | 43d953de87533b134695f9d5b855e5e08699559d /fs | |
| parent | 7c8616278b19c42141ff4617573cbf950f4a456b (diff) | |
| download | linux-d9352794dad9f28535439d85a815978878c141ab.tar.gz linux-d9352794dad9f28535439d85a815978878c141ab.tar.bz2 linux-d9352794dad9f28535439d85a815978878c141ab.zip | |
btrfs: switch return_bigger to bool in find_ref_head
Using bool is more suitable than int here, and add the comment about the
return_bigger.
Signed-off-by: Lu Fengqi <lufq.fnst@cn.fujitsu.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/btrfs/delayed-ref.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c index 5d8f6d505d5a..5149165b49a4 100644 --- a/fs/btrfs/delayed-ref.c +++ b/fs/btrfs/delayed-ref.c @@ -168,11 +168,12 @@ static struct btrfs_delayed_ref_node* tree_insert(struct rb_root_cached *root, * find an head entry based on bytenr. This returns the delayed ref * head if it was able to find one, or NULL if nothing was in that spot. * If return_bigger is given, the next bigger entry is returned if no exact - * match is found. + * match is found. But if no bigger one is found then the first node of the + * ref head tree will be returned. */ static struct btrfs_delayed_ref_head* find_ref_head( struct btrfs_delayed_ref_root *dr, u64 bytenr, - int return_bigger) + bool return_bigger) { struct rb_root *root = &dr->href_root.rb_root; struct rb_node *n; @@ -359,12 +360,12 @@ struct btrfs_delayed_ref_head *btrfs_select_ref_head( again: start = delayed_refs->run_delayed_start; - head = find_ref_head(delayed_refs, start, 1); + head = find_ref_head(delayed_refs, start, true); if (!head && !loop) { delayed_refs->run_delayed_start = 0; start = 0; loop = true; - head = find_ref_head(delayed_refs, start, 1); + head = find_ref_head(delayed_refs, start, true); if (!head) return NULL; } else if (!head && loop) { @@ -905,7 +906,7 @@ int btrfs_add_delayed_extent_op(struct btrfs_fs_info *fs_info, struct btrfs_delayed_ref_head * btrfs_find_delayed_ref_head(struct btrfs_delayed_ref_root *delayed_refs, u64 bytenr) { - return find_ref_head(delayed_refs, bytenr, 0); + return find_ref_head(delayed_refs, bytenr, false); } void __cold btrfs_delayed_ref_exit(void) |