[dm-devel] Patch "dm integrity: increase RECALC_SECTORS to improve recalculate speed" has been added to the 4.19-stable tree

[Sasha Levin]

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 4.19-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-4.19 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable at vger.kernel.org> know about it.



commit 1303f55dbef5d11a331f313d26a1595ef37955a4
Author: Mikulas Patocka <mpatocka at redhat.com>
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 at redhat.com>
    Signed-off-by: Mike Snitzer <snitzer at redhat.com>
    Stable-dep-of: 6d50eb472593 ("dm integrity: reduce vmalloc space footprint on 32-bit architectures")
    Signed-off-by: Sasha Levin <sashal at kernel.org>

diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
index 0a4e440948f0d..eead731a1aeda 100644
--- a/drivers/md/dm-integrity.c
+++ b/drivers/md/dm-integrity.c
@@ -33,7 +33,7 @@
 #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
 
 /*