Messages in this thread Patch in this message | | | From | Chao Yu <> | Subject | [PATCH] f2fs: fix to avoid long latency during umount | Date | Wed, 3 Jul 2019 10:29:57 +0800 |
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From: Heng Xiao <heng.xiao@unisoc.com>
In umount, we give an constand time to handle pending discard, previously, in __issue_discard_cmd() we missed to check timeout condition in loop, result in delaying long time, fix it.
Signed-off-by: Heng Xiao <heng.xiao@unisoc.com> [Chao Yu: add commit message] Signed-off-by: Chao Yu <yuchao0@huawei.com> --- fs/f2fs/segment.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index d886f796bb96..402fbbbb2d7c 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -1507,6 +1507,10 @@ static int __issue_discard_cmd(struct f2fs_sb_info *sbi, list_for_each_entry_safe(dc, tmp, pend_list, list) { f2fs_bug_on(sbi, dc->state != D_PREP); + if (dpolicy->timeout != 0 && + f2fs_time_over(sbi, dpolicy->timeout)) + break; + if (dpolicy->io_aware && i < dpolicy->io_aware_gran && !is_idle(sbi, DISCARD_TIME)) { io_interrupted = true; -- 2.18.0.rc1
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