btrfs: rename err to ret in btrfs_alloc_from_bitmap()

Unify naming of return value to the preferred way.

Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 4b34ea1f01c2a929ce1ad3ffa02019a2cd4dc9fb..efd21a28570c1e87dde6e606a65cee0fa1149d82 100644 (file)
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -3192,7 +3192,7 @@ static u64 btrfs_alloc_from_bitmap(struct btrfs_block_group *block_group,
                                   u64 *max_extent_size)
 {
        struct btrfs_free_space_ctl *ctl = block_group->free_space_ctl;
-       int err;
+       int ret2;
        u64 search_start = cluster->window_start;
        u64 search_bytes = bytes;
        u64 ret = 0;
@@ -3200,8 +3200,8 @@ static u64 btrfs_alloc_from_bitmap(struct btrfs_block_group *block_group,
        search_start = min_start;
        search_bytes = bytes;
 
-       err = search_bitmap(ctl, entry, &search_start, &search_bytes, true);
-       if (err) {
+       ret2 = search_bitmap(ctl, entry, &search_start, &search_bytes, true);
+       if (ret2) {
                *max_extent_size = max(get_max_extent_size(entry),
                                       *max_extent_size);
                return 0;