md: raid1,10: Handle REQ_WRITE_SAME flag in write bios

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Set mddev queue's max_write_same_sectors to its chunk_sector value (before
disk_stack_limits merges the underlying disk limits.)  With that in place,
be sure to handle writes coming down from the block layer that have the
REQ_WRITE_SAME flag set.  That flag needs to be copied into any newly cloned
write bio.

Signed-off-by: Joe Lawrence <joe.lawrence@stratus.com>
Acked-by: "Martin K. Petersen" <martin.petersen@oracle.com>
Signed-off-by: NeilBrown <neilb@suse.de>

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Joe Lawrence 2013-02-21 13:28:09 +11:00 • committed by NeilBrown

parent bbfa57c0f2

commit c8dc9c6547

2 changed files with 13 additions and 3 deletions

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7

drivers/md/raid1.c

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9

drivers/md/raid10.c

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