]> git.baikalelectronics.ru Git - kernel.git/commit
scsi: sd: Simplify misaligned I/O check
authorMartin K. Petersen <martin.petersen@oracle.com>
Wed, 16 Jan 2019 00:49:59 +0000 (16:49 -0800)
committerMartin K. Petersen <martin.petersen@oracle.com>
Wed, 23 Jan 2019 02:18:27 +0000 (21:18 -0500)
commit9a03a84076fcab4b938fe992f194dbcff5225870
tree4eb233e879a02f4b8b1ebf38d9a837491938d3a4
parent96eb19c014f46a89e45f6853c75042d9e08c0735
scsi: sd: Simplify misaligned I/O check

Avoid open coding the checks for the supported logical block sizes and use
a mask to check for misaligned I/O. Use our helper functions to scale lba
and block count.

Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
[ bvanassche: ported this patch from kernel v4.11 to kernel v5.0 ]
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/sd.c