btrfs: remove local blocksize variable in reada_find_extent
The name is misleading and the local variable serves no purpose.
Reviewed-by: Liu Bo <bo.li.liu@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c
index 5c1e6bb..a17e775 100644
--- a/fs/btrfs/reada.c
+++ b/fs/btrfs/reada.c
@@ -320,7 +320,6 @@ static struct reada_extent *reada_find_extent(struct btrfs_fs_info *fs_info,
struct btrfs_bio *bbio = NULL;
struct btrfs_device *dev;
struct btrfs_device *prev_dev;
- u32 blocksize;
u64 length;
int real_stripes;
int nzones = 0;
@@ -341,7 +340,6 @@ static struct reada_extent *reada_find_extent(struct btrfs_fs_info *fs_info,
if (!re)
return NULL;
- blocksize = fs_info->nodesize;
re->logical = logical;
re->top = *top;
INIT_LIST_HEAD(&re->extctl);
@@ -351,10 +349,10 @@ static struct reada_extent *reada_find_extent(struct btrfs_fs_info *fs_info,
/*
* map block
*/
- length = blocksize;
+ length = fs_info->nodesize;
ret = btrfs_map_block(fs_info, BTRFS_MAP_GET_READ_MIRRORS, logical,
&length, &bbio, 0);
- if (ret || !bbio || length < blocksize)
+ if (ret || !bbio || length < fs_info->nodesize)
goto error;
if (bbio->num_stripes > BTRFS_MAX_MIRRORS) {
