From 937f4ef79e257735e03149815fb231c8d02e3a1f Mon Sep 17 00:00:00 2001 From: Yunlei He Date: Fri, 13 Apr 2018 11:08:05 +0800 Subject: [PATCH] f2fs: stop issue discard if something wrong with f2fs v4->v5: move data corruption check to __submit_discard_cmd, in order to control discard io submitted more accurately, besides, increase async thread wait time if data corruption detected. This patch stop async thread and umount process to issue discard if something wrong with f2fs, which is similar to fstrim. Signed-off-by: Yunlei He Signed-off-by: Jaegeuk Kim --- fs/f2fs/segment.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index a7f0e5932642..d4b787b00c5a 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -1044,6 +1044,9 @@ static void __submit_discard_cmd(struct f2fs_sb_info *sbi, if (dc->state != D_PREP) return; + if (is_sbi_flag_set(sbi, SBI_NEED_FSCK)) + return; + trace_f2fs_issue_discard(dc->bdev, dc->start, dc->len); dc->error = __blkdev_issue_discard(dc->bdev, @@ -1475,6 +1478,10 @@ static int issue_discard_thread(void *data) continue; if (kthread_should_stop()) return 0; + if (is_sbi_flag_set(sbi, SBI_NEED_FSCK)) { + wait_ms = dpolicy.max_interval; + continue; + } if (dcc->discard_wake) dcc->discard_wake = 0;