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Subject[PATCH 2/3] fs/btrfs/extent-tree: remove redudant variable "err"
Date
The err is not used after initalization, So just remove it. And make
the function to be void function.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
---
fs/btrfs/extent-tree.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index b1f2f64..ed02305 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -6464,11 +6464,10 @@ static int btrfs_add_reserved_bytes(struct btrfs_block_group_cache *cache,
* reserve set to 0 in order to clear the reservation.
*/

-static int btrfs_free_reserved_bytes(struct btrfs_block_group_cache *cache,
- u64 num_bytes, int delalloc)
+static void btrfs_free_reserved_bytes(struct btrfs_block_group_cache *cache,
+ u64 num_bytes, int delalloc)
{
struct btrfs_space_info *space_info = cache->space_info;
- int ret = 0;

spin_lock(&space_info->lock);
spin_lock(&cache->lock);
@@ -6481,7 +6480,6 @@ static int btrfs_free_reserved_bytes(struct btrfs_block_group_cache *cache,
cache->delalloc_bytes -= num_bytes;
spin_unlock(&cache->lock);
spin_unlock(&space_info->lock);
- return ret;
}
void btrfs_prepare_extent_commit(struct btrfs_fs_info *fs_info)
{
--
1.7.12.4
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