From: Yangtao Li Date: Mon, 5 Dec 2022 14:56:03 +0000 (+0800) Subject: f2fs: fix iostat parameter for discard X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=15e38ee44d50cad264da80ef75626b9224ddc4a3;p=linux.git f2fs: fix iostat parameter for discard Just like other data we count uses the number of bytes as the basic unit, but discard uses the number of cmds as the statistical unit. In fact the discard command contains the number of blocks, so let's change to the number of bytes as the base unit. Fixes: b0af6d491a6b ("f2fs: add app/fs io stat") Signed-off-by: Yangtao Li Signed-off-by: Jaegeuk Kim --- diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index dee712f7225f9..f1845a032885d 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -1187,7 +1187,7 @@ static int __submit_discard_cmd(struct f2fs_sb_info *sbi, atomic_inc(&dcc->issued_discard); - f2fs_update_iostat(sbi, NULL, FS_DISCARD, 1); + f2fs_update_iostat(sbi, NULL, FS_DISCARD, len * F2FS_BLKSIZE); lstart += len; start += len;