Commit 39495b12 authored Jun 12, 2020 by Huaisheng Ye Committed by Mike Snitzer Jun 17, 2020

dm writecache: correct uncommitted_block when discarding uncommitted entry



When uncommitted entry has been discarded, correct wc->uncommitted_block
for getting the exact number.

Fixes: 48debafe ("dm: add writecache target")
Cc: stable@vger.kernel.org
Signed-off-by: Huaisheng Ye <yehs1@lenovo.com>
Acked-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

parent 7b237748

drivers/md/dm-writecache.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -853,6 +853,8 @@ static void writecache_discard(struct dm_writecache *wc, sector_t start, sector_
		writecache_wait_for_ios(wc, WRITE);
		discarded_something = true;
		}
		if (!writecache_entry_is_committed(wc, e))
		wc->uncommitted_blocks--;
		writecache_free_entry(wc, e);
		}

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