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[SCSI] libosd: write/read_sg_kern API

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This is a trivial addition to the SG API that can receive kernel
pointers. It is only used by the out-of-tree test module. So
it's immediate need is questionable. For maintenance ease it might
just get in, as it's very small.

John.
do you need this in the Kernel, or is it only for osd_ktest.ko?

Signed-off-by: John A. Chandy <john.chandy@uconn.edu>
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Boaz Harrosh
2010-10-19 16:13:50 +02:00
committed by James Bottomley
parent e96e72c45a
commit 6dd1d8a795
2 changed files with 78 additions and 0 deletions
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7
include/scsi/osd_initiator.h
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@@ -455,6 +455,13 @@ int osd_req_write_sg(struct osd_request *or,
int osd_req_read_sg(struct osd_request *or,
const struct osd_obj_id *obj, struct bio *bio,
const struct osd_sg_entry *sglist, unsigned numentries);
int osd_req_write_sg_kern(struct osd_request *or,
const struct osd_obj_id *obj, void **buff,
const struct osd_sg_entry *sglist, unsigned numentries);
int osd_req_read_sg_kern(struct osd_request *or,
const struct osd_obj_id *obj, void **buff,
const struct osd_sg_entry *sglist, unsigned numentries);
/*
* Root/Partition/Collection/Object Attributes commands
*/