Messages in this thread | | | Subject | Re: [PATCH v2 scsi] Short the path length of scsi_cmd_to_driver() | From | "Martin K. Petersen" <> | Date | Tue, 02 Oct 2012 18:22:49 -0400 |
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>>>>> "Li" == Li Zhong <zhong@linux.vnet.ibm.com> writes:
Li> As suggested by James: this patch tries to short the path length of Li> scsi_cmd_to_driver(). As only REQ_TYPE_BLOCK_PC commands can be Li> submitted without a driver, so we could avoid the related NULL Li> checking, as long as we make sure we don't use it for Li> REQ_TYPE_BLOCK_PC type commands. Plus, this fixes a bug where you Li> get different behaviors from REQ_TYPE_BLOCK_PC commands when a Li> driver is and isn't attached.
Acked-by: Martin K. Petersen <martin.petersen@oracle.com>
-- Martin K. Petersen Oracle Linux Engineering
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