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f2fs: give up CP_TRIMMED_FLAG if it drops discards

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In ->umount, once we drop remained discard entries, we should not
set CP_TRIMMED_FLAG with another checkpoint.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu
2017-10-04 09:08:37 +08:00
committed by Jaegeuk Kim
parent 2ec6f2ef79
commit cf5c759f92
3 changed files with 14 additions and 6 deletions
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5
fs/f2fs/super.c
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@@ -781,6 +781,7 @@ static void f2fs_put_super(struct super_block *sb)
{
struct f2fs_sb_info *sbi = F2FS_SB(sb);
int i;
bool dropped;
f2fs_quota_off_umount(sb);
@@ -801,9 +802,9 @@ static void f2fs_put_super(struct super_block *sb)
}
/* be sure to wait for any on-going discard commands */
f2fs_wait_discard_bios(sbi);
dropped = f2fs_wait_discard_bios(sbi);
if (f2fs_discard_en(sbi) && !sbi->discard_blks) {
if (f2fs_discard_en(sbi) && !sbi->discard_blks && !dropped) {
struct cp_control cpc = {
.reason = CP_UMOUNT | CP_TRIMMED,
};