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f2fs: do checkpoint when umount flag is not set

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If the previous checkpoint was done without CP_UMOUNT flag, it needs to do
checkpoint with CP_UMOUNT for the next fast boot.

Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2015-01-14 17:41:41 -08:00
parent 30a5537f9a
commit 85dc2f2c6c
2 changed files with 9 additions and 3 deletions
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3
fs/f2fs/checkpoint.c
View File

@ -1043,7 +1043,8 @@ void write_checkpoint(struct f2fs_sb_info *sbi, struct cp_control *cpc)
mutex_lock(&sbi->cp_mutex);
if (!sbi->s_dirty && cpc->reason != CP_DISCARD)
if (!sbi->s_dirty &&
cpc->reason != CP_DISCARD && cpc->reason != CP_UMOUNT)
goto out;
if (unlikely(f2fs_cp_error(sbi)))
goto out;

9
fs/f2fs/super.c
View File

@ -447,8 +447,13 @@ static void f2fs_put_super(struct super_block *sb)
f2fs_destroy_stats(sbi);
stop_gc_thread(sbi);
/* We don't need to do checkpoint when it's clean */
if (sbi->s_dirty) {
/*
* We don't need to do checkpoint when superblock is clean.
* But, the previous checkpoint was not done by umount, it needs to do
* clean checkpoint again.
*/
if (sbi->s_dirty ||
!is_set_ckpt_flags(F2FS_CKPT(sbi), CP_UMOUNT_FLAG)) {
struct cp_control cpc = {
.reason = CP_UMOUNT,
};