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>
This commit is contained in:
David Sterba 2017-03-15 16:39:59 +01:00
parent 5721b8ad26
commit 994a5d2bc7

View file

@ -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) {