From 616c1311b0f32d904a05fecd979b9c80351b7c37 Mon Sep 17 00:00:00 2001
From: Daeho Jeong <daehojeong@google.com>
Date: Wed, 6 Oct 2021 10:49:10 -0700
Subject: [PATCH] f2fs: include non-compressed blocks in compr_written_block
Git-commit: 09631cf3234d32156e7cae32275f5a4144c683c5
Patch-mainline: v5.16-rc1
References: stable-5.14.19
commit 09631cf3234d32156e7cae32275f5a4144c683c5 upstream.
Need to include non-compressed blocks in compr_written_block to
estimate average compression ratio more accurately.
Fixes: 5ac443e26a09 ("f2fs: add sysfs nodes to get runtime compression stat")
Cc: stable@vger.kernel.org
Signed-off-by: Daeho Jeong <daehojeong@google.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
fs/f2fs/compress.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c
index b8b3f1160afa..0985d9bf08ed 100644
--- a/fs/f2fs/compress.c
+++ b/fs/f2fs/compress.c
@@ -1476,6 +1476,7 @@ int f2fs_write_multi_pages(struct compress_ctx *cc,
if (cluster_may_compress(cc)) {
err = f2fs_compress_pages(cc);
if (err == -EAGAIN) {
+ add_compr_block_stat(cc->inode, cc->cluster_size);
goto write;
} else if (err) {
f2fs_put_rpages_wbc(cc, wbc, true, 1);
--
2.26.2