Commit 4c162778 authored by Qu Wenruo's avatar Qu Wenruo Committed by David Sterba
Browse files

btrfs: subpage: make compress_file_range() compatible 



In function compress_file_range(), when the compression is finished, the
function just rounds up @total_in to PAGE_SIZE.  This is fine for
regular sectorsize == PAGE_SIZE case, but not for subpage.

Just change the ALIGN(, PAGE_SIZE) to round_up(, sectorsize) so that
both regular sectorsize and subpage sectorsize will be happy.

Signed-off-by: default avatarQu Wenruo <wqu@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 2bd0fc93

fs/btrfs/inode.c

+1 −1
Original line number Diff line number Diff line
@@ -758,7 +758,7 @@ static noinline int compress_file_range(struct async_chunk *async_chunk) 
		 * win, compare the page count read with the blocks on disk,

		 * compression must free at least one sector size

		 */

		total_in = ALIGN(total_in, PAGE_SIZE);

		total_in = round_up(total_in, fs_info->sectorsize);

		if (total_compressed + blocksize <= total_in) {

			compressed_extents++;