diff mbox series

[v3,2/5] dm-writecache: get rid of memory_data flush to writecache_flush_entry

Message ID 20190131022955.9920-3-yehs2007@zoho.com (mailing list archive)
State Rejected, archived
Delegated to: Mike Snitzer
Headers show
Series Optimize writecache when using pmem as cache | expand

Commit Message

Huaisheng Ye Jan. 31, 2019, 2:29 a.m. UTC 
From: Huaisheng Ye <yehs1@lenovo.com>

writecache_flush_region only works when SSD mode.
If wc->pmem_mode sets, writecache_flush_region doesn't need to be called in
writecache_flush_entry.

Signed-off-by: Huaisheng Ye <yehs1@lenovo.com>
---
 drivers/md/dm-writecache.c | 2 --
 1 file changed, 2 deletions(-)
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Patch

diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c
index 2d8e0c0..c69317c 100644
--- a/drivers/md/dm-writecache.c
+++ b/drivers/md/dm-writecache.c
@@ -688,8 +688,6 @@  static void writecache_poison_lists(struct dm_writecache *wc)
 static void writecache_flush_entry(struct dm_writecache *wc, struct wc_entry *e)
 {
 	writecache_flush_region(wc, memory_entry(wc, e));
-	if (WC_MODE_PMEM(wc))
-		writecache_flush_region(wc, memory_data(wc, e));
 }
 
 static bool writecache_entry_is_committed(struct dm_writecache *wc, struct wc_entry *e)