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f2fs: fix to clear CP_TRIMMED_FLAG

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[ Upstream commit cd36d7a17f ]

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: 1f43e2ad7b ("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>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chao Yu
2018-01-31 09:30:34 +08:00
committed by Greg Kroah-Hartman
parent 393e472db4
commit fc8cf0e7aa
1 changed files with 2 additions and 0 deletions
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2
fs/f2fs/checkpoint.c
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@@ -1108,6 +1108,8 @@ static void update_ckpt_flags(struct f2fs_sb_info *sbi, struct cp_control *cpc)
if (cpc->reason & CP_TRIMMED) if (cpc->reason & CP_TRIMMED)
__set_ckpt_flags(ckpt, CP_TRIMMED_FLAG); __set_ckpt_flags(ckpt, CP_TRIMMED_FLAG);
else
__clear_ckpt_flags(ckpt, CP_TRIMMED_FLAG);
if (cpc->reason & CP_UMOUNT) if (cpc->reason & CP_UMOUNT)
__set_ckpt_flags(ckpt, CP_UMOUNT_FLAG); __set_ckpt_flags(ckpt, CP_UMOUNT_FLAG);