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xen/blkback: optimize validate_io_op() to filter BLKIF_OP_RESERVED_1 operation
authorDongli Zhang <dongli.zhang@oracle.com>
Wed, 23 Jan 2019 07:48:00 +0000 (15:48 +0800)
committerBrian Maly <brian.maly@oracle.com>
Wed, 30 Jan 2019 04:10:12 +0000 (23:10 -0500)
commitc60de20a8f08fdd4f01003e0889934414e40c372
tree2be88f008342b3e94db8b42fa0545ff263d58ee2tree
parent5c82f4267ebdbf72fffbd94b403add2a7647677bcommit | diff
xen/blkback: optimize validate_io_op() to filter BLKIF_OP_RESERVED_1 operation

Instead of hardcoding operation = 4, BLKIF_OP_RESERVED_1 = 4 is defined in
the header file.

Orabug: 29199843

Suggested-by: Ankur Arora <ankur.a.arora@oracle.com>
Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
Reviewed-by: Joe Jin <joe.jin@oracle.com>
Reviewed-by: Ankur Arora <ankur.a.arora@oracle.com>
Signed-off-by: Brian Maly <brian.maly@oracle.com>
drivers/block/xen-blkback/blkback.c diff | blob | history
include/xen/interface/io/blkif.h diff | blob | history
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