[dm-devel] [PATCH] dm writecache: correct uncommitted_block when discarding uncommitted entry
Huaisheng Ye
yehs2007 at zoho.com
Fri Jun 12 15:59:11 UTC 2020
From: Huaisheng Ye <yehs1 at lenovo.com>
When uncommitted entry has been discarded, correct wc->uncommitted_block
for getting the exact number.
Signed-off-by: Huaisheng Ye <yehs1 at lenovo.com>
---
drivers/md/dm-writecache.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c
index 4367cc7..64b4527 100644
--- a/drivers/md/dm-writecache.c
+++ b/drivers/md/dm-writecache.c
@@ -855,6 +855,8 @@ static void writecache_discard(struct dm_writecache *wc, sector_t start, sector_
}
discarded_something = true;
}
+ if (!writecache_entry_is_committed(wc, e))
+ wc->uncommitted_blocks--;
writecache_free_entry(wc, e);
}
--
1.8.3.1
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