Commit ad3fc794 authored by Filipe Manana's avatar Filipe Manana Committed by David Sterba
Browse files

btrfs: remove no longer used counter when reading data page 



After commit 92082d40 ("btrfs: integrate page status update for
data read path into begin/end_page_read"), the 'nr' counter at
btrfs_do_readpage() is no longer used, we increment it but we never
read from it. So just remove it.

Reviewed-by: default avatarJohannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: default avatarFilipe Manana <fdmanana@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent bbf0ea7e

fs/btrfs/extent_io.c

+1 −4
Original line number Diff line number Diff line
@@ -3563,7 +3563,6 @@ int btrfs_do_readpage(struct page *page, struct extent_map **em_cached, 
	u64 cur_end;

	struct extent_map *em;

	int ret = 0;

	int nr = 0;

	size_t pg_offset = 0;

	size_t iosize;

	size_t blocksize = inode->i_sb->s_blocksize;
@@ -3722,9 +3721,7 @@ int btrfs_do_readpage(struct page *page, struct extent_map **em_cached, 
					 end_bio_extent_readpage, 0,

					 this_bio_flag,

					 force_bio_submit);

		if (!ret) {

			nr++;

		} else {

		if (ret) {

			unlock_extent(tree, cur, cur + iosize - 1);

			end_page_read(page, false, cur, iosize);

			goto out;