Commit cd36d7a1 authored Jan 31, 2018 by Chao Yu Committed by Jaegeuk Kim Mar 13, 2018

f2fs: fix to clear CP_TRIMMED_FLAG



Once CP_TRIMMED_FLAG is set, after a reboot, we will never issue discard
before LBA becomes invalid again, fix it by clearing the flag in
checkpoint without CP_TRIMMED reason.

Fixes: 1f43e2ad ("f2fs: introduce CP_TRIMMED_FLAG to avoid unneeded discard")
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

parent 199bc3fe

fs/f2fs/checkpoint.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1136,6 +1136,8 @@ static void update_ckpt_flags(struct f2fs_sb_info sbi, struct cp_control cpc)

		if (cpc->reason & CP_TRIMMED)
		__set_ckpt_flags(ckpt, CP_TRIMMED_FLAG);
		else
		__clear_ckpt_flags(ckpt, CP_TRIMMED_FLAG);

		if (cpc->reason & CP_UMOUNT)
		__set_ckpt_flags(ckpt, CP_UMOUNT_FLAG);