This is a note to let you know that I've just added the patch titled
dm integrity: increase RECALC_SECTORS to improve recalculate speed
to the 5.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
dm-integrity-increase-recalc_sectors-to-improve-reca.patch
and it can be found in the queue-5.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit e3089981378618bc4dd6cc6810b00e8a18d8cfb2
Author: Mikulas Patocka <mpatocka@xxxxxxxxxx>
Date: Tue Apr 27 11:57:43 2021 -0400
dm integrity: increase RECALC_SECTORS to improve recalculate speed
[ Upstream commit b1a2b9332050c7ae32a22c2c74bc443e39f37b23 ]
Increase RECALC_SECTORS because it improves recalculate speed slightly
(from 390kiB/s to 410kiB/s).
Signed-off-by: Mikulas Patocka <mpatocka@xxxxxxxxxx>
Signed-off-by: Mike Snitzer <snitzer@xxxxxxxxxx>
Stable-dep-of: 6d50eb472593 ("dm integrity: reduce vmalloc space footprint on 32-bit architectures")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index d7911c623edde..12b086b14cc4a 100644
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -35,7 +35,7 @@
#define MIN_LOG2_INTERLEAVE_SECTORS 3
#define MAX_LOG2_INTERLEAVE_SECTORS 31
#define METADATA_WORKQUEUE_MAX_ACTIVE 16
-#define RECALC_SECTORS 8192
+#define RECALC_SECTORS 32768
#define RECALC_WRITE_SUPER 16
#define BITMAP_BLOCK_SIZE 4096 /* don't change it */
#define BITMAP_FLUSH_INTERVAL (10 * HZ)
--
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