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f2fs: fix iostat parameter for discard

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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: b0af6d491a ("f2fs: add app/fs io stat")
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Yangtao Li 2022-12-05 22:56:03 +08:00 committed by Jaegeuk Kim
parent db8dcd25ec
commit 15e38ee44d
1 changed files with 1 additions and 1 deletions
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2
fs/f2fs/segment.c
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@ -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;