[PATCH 5.14 089/432] f2fs: fix wrong checkpoint_changed value in f2fs_remount()

Greg Kroah-Hartman
2021-09-16T17:19:35Z

From: Chao Yu <chao@kernel.org>

[ Upstream commit 277afbde6ca2b38729683fc17c031b4bc942068d ]

In f2fs_remount(), return value of test_opt() is an unsigned int type
variable, however when we compare it to a bool type variable, it cause
wrong result, fix it.

Fixes: 4354994f097d ("f2fs: checkpoint disabling")
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/f2fs/super.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 7cdccb79b378..2b093a209ae4 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -2071,11 +2071,10 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
bool need_restart_ckpt = false, need_stop_ckpt = false;
bool need_restart_flush = false, need_stop_flush = false;
bool no_extent_cache = !test_opt(sbi, EXTENT_CACHE);
- bool disable_checkpoint = test_opt(sbi, DISABLE_CHECKPOINT);
+ bool enable_checkpoint = !test_opt(sbi, DISABLE_CHECKPOINT);
bool no_io_align = !F2FS_IO_ALIGNED(sbi);
bool no_atgc = !test_opt(sbi, ATGC);
bool no_compress_cache = !test_opt(sbi, COMPRESS_CACHE);
- bool checkpoint_changed;
#ifdef CONFIG_QUOTA
int i, j;
#endif
@@ -2120,8 +2119,6 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
err = parse_options(sb, data, true);
if (err)
goto restore_opts;
- checkpoint_changed =
- disable_checkpoint != test_opt(sbi, DISABLE_CHECKPOINT);

/*
* Previous and new state of filesystem is RO,
@@ -2243,7 +2240,7 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
need_stop_flush = true;
}

- if (checkpoint_changed) {
+ if (enable_checkpoint == !!test_opt(sbi, DISABLE_CHECKPOINT)) {
if (test_opt(sbi, DISABLE_CHECKPOINT)) {
err = f2fs_disable_checkpoint(sbi);
if (err)
--
2.30.2