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dm integrity: flush the journal on suspend

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This commit flushes the journal on suspend. It is prerequisite for the
next commit that enables activating dm integrity devices in read-only mode.

Note that we deliberately didn't flush the journal on suspend, so that the
journal replay code would be tested. However, the dm-integrity code is 5
years old now, so that journal replay is well-tested, and we can make this
change now.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
This commit is contained in:
Mikulas Patocka 2022-11-15 12:48:26 -05:00 committed by Mike Snitzer
parent 0dfc1f4cea
commit 5e5dab5ec7
1 changed files with 1 additions and 6 deletions
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7
drivers/md/dm-integrity.c
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@ -2591,10 +2591,6 @@ static void integrity_writer(struct work_struct *w)
unsigned prev_free_sectors;
/* the following test is not needed, but it tests the replay code */
if (unlikely(dm_post_suspending(ic->ti)) && !ic->meta_dev)
return;
spin_lock_irq(&ic->endio_wait.lock);
write_start = ic->committed_section;
write_sections = ic->n_committed_sections;
@ -3101,8 +3097,7 @@ static void dm_integrity_postsuspend(struct dm_target *ti)
drain_workqueue(ic->commit_wq);
if (ic->mode == 'J') {
if (ic->meta_dev)
queue_work(ic->writer_wq, &ic->writer_work);
queue_work(ic->writer_wq, &ic->writer_work);
drain_workqueue(ic->writer_wq);
dm_integrity_flush_buffers(ic, true);
}