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>

1 files changed, 2 insertions, 4 deletions

diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c
index 5c1e6bbed132..a17e775a4a89 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) {