NVMe: Initial PRP List support

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Add a pointer to the nvme_req_info to hold a new data structure
(nvme_prps) which contains a list of the pages allocated to this
particular request for holding PRP list entries.  nvme_setup_prps()
now returns this pointer.

To allocate and free the memory used for PRP lists, we need a struct
device, so we need to pass the nvme_queue pointer to many functions
which didn't use to need it.

Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>

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This commit is contained in:

Shane Michael Matthews 2011-02-10 08:51:24 -05:00 • committed by Matthew Wilcox

parent 51882d00f0

commit e025344c56

1 changed files with 91 additions and 13 deletions

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106

drivers/block/nvme.c

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