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authorMartin K. Petersen <martin.petersen@oracle.com>2015-06-23 12:13:59 -0400
committerJames Bottomley <JBottomley@Odin.com>2015-08-12 11:54:37 -0700
commit4f258a46346c03fa0bbb6199ffaf4e1f9f599660 (patch)
tree87f6203edaaa3e9156c5f1710427a1915195e98e /drivers/scsi/fnic
parent8f2777f53e3d5ad8ef2a176a4463a5c8e1a16431 (diff)
sd: Fix maximum I/O size for BLOCK_PC requests
Commit bcdb247c6b6a ("sd: Limit transfer length") clamped the maximum size of an I/O request to the MAXIMUM TRANSFER LENGTH field in the BLOCK LIMITS VPD. This had the unfortunate effect of also limiting the maximum size of non-filesystem requests sent to the device through sg/bsg. Avoid using blk_queue_max_hw_sectors() and set the max_sectors queue limit directly. Also update the comment in blk_limits_max_hw_sectors() to clarify that max_hw_sectors defines the limit for the I/O controller only. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Reported-by: Brian King <brking@linux.vnet.ibm.com> Tested-by: Brian King <brking@linux.vnet.ibm.com> Cc: stable@vger.kernel.org # 3.17+ Signed-off-by: James Bottomley <JBottomley@Odin.com>
Diffstat (limited to 'drivers/scsi/fnic')
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