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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 <heyunlei@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Yunlei He 2018-04-13 11:08:05 +08:00 committed by Jaegeuk Kim
parent b169c3c560
commit d618477473
1 changed files with 7 additions and 0 deletions
fs/f2fs
segment.c

7
fs/f2fs/segment.c
View File

@ -963,6 +963,9 @@ 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,
@ -1395,6 +1398,10 @@ 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;