Patch "block: Initialize max_dev_sectors to 0" has been added to the 4.4-stable tree
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This is a note to let you know that I've just added the patch titled
block: Initialize max_dev_sectors to 0
to the 4.4-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:
block-initialize-max_dev_sectors-to-0.patch
and it can be found in the queue-4.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.
Quoted 1 line
From
5f009d3f8e6685fe8c6215082c1696a08b411220Mon Sep 17 00:00:00 2001
From: Keith Busch <[email protected]>
Date: Wed, 10 Feb 2016 16:52:47 -0700
Subject: block: Initialize max_dev_sectors to 0
From: Keith Busch <[email protected]>
commit 5f009d3f8e6685fe8c6215082c1696a08b411220 upstream.
The new queue limit is not used by the majority of block drivers, and should be initialized to 0 for the driver's requested settings to be used.
--- block/blk-settings.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
block/blk-settings.c +2 -2
@@ -91,8 +91,8 @@ void blk_set_default_limits(struct queue lim->seg_boundary_mask =BLK_SEG_BOUNDARY_MASK ; lim->virt_boundary_mask =0 ; lim->max_segment_size =BLK_MAX_SEGMENT_SIZE ; - lim->max_sectors = lim->max_dev_sectors = lim->max_hw_sectors = -BLK_SAFE_MAX_SECTORS ; + lim->max_sectors = lim->max_hw_sectors =BLK_SAFE_MAX_SECTORS ; + lim->max_dev_sectors =0 ; lim->chunk_sectors =0 ; lim->max_write_same_sectors =0 ; lim->max_discard_sectors =0 ;
Patches currently in stable-queue which might be from [email protected] are
queue-4.4/block-initialize-max_dev_sectors-to-0.patch