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Commit fc2fac5b authored by Boaz Harrosh's avatar Boaz Harrosh Committed by James Bottomley
Browse files

[SCSI] libosd: Define an osd_dev wrapper to retrieve the request_queue



libosd users that need to work with bios, must sometime use
the request_queue associated with the osd_dev. Make a wrapper for
that, and convert all in-tree users.

Signed-off-by: default avatarBoaz Harrosh <bharrosh@panasas.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent 62f469b5
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+3 −3
Original line number Original line Diff line number Diff line
@@ -670,7 +670,7 @@ static int _osd_req_list_objects(struct osd_request *or,
	__be16 action, const struct osd_obj_id *obj, osd_id initial_id,
	__be16 action, const struct osd_obj_id *obj, osd_id initial_id,
	struct osd_obj_id_list *list, unsigned nelem)
	struct osd_obj_id_list *list, unsigned nelem)
{
{
	struct request_queue *q = or->osd_dev->scsi_device->request_queue;
	struct request_queue *q = osd_request_queue(or->osd_dev);
	u64 len = nelem * sizeof(osd_id) + sizeof(*list);
	u64 len = nelem * sizeof(osd_id) + sizeof(*list);
	struct bio *bio;
	struct bio *bio;


@@ -793,7 +793,7 @@ EXPORT_SYMBOL(osd_req_write);
int osd_req_write_kern(struct osd_request *or,
int osd_req_write_kern(struct osd_request *or,
	const struct osd_obj_id *obj, u64 offset, void* buff, u64 len)
	const struct osd_obj_id *obj, u64 offset, void* buff, u64 len)
{
{
	struct request_queue *req_q = or->osd_dev->scsi_device->request_queue;
	struct request_queue *req_q = osd_request_queue(or->osd_dev);
	struct bio *bio = bio_map_kern(req_q, buff, len, GFP_KERNEL);
	struct bio *bio = bio_map_kern(req_q, buff, len, GFP_KERNEL);


	if (IS_ERR(bio))
	if (IS_ERR(bio))
@@ -844,7 +844,7 @@ EXPORT_SYMBOL(osd_req_read);
int osd_req_read_kern(struct osd_request *or,
int osd_req_read_kern(struct osd_request *or,
	const struct osd_obj_id *obj, u64 offset, void* buff, u64 len)
	const struct osd_obj_id *obj, u64 offset, void* buff, u64 len)
{
{
	struct request_queue *req_q = or->osd_dev->scsi_device->request_queue;
	struct request_queue *req_q = osd_request_queue(or->osd_dev);
	struct bio *bio = bio_map_kern(req_q, buff, len, GFP_KERNEL);
	struct bio *bio = bio_map_kern(req_q, buff, len, GFP_KERNEL);


	if (IS_ERR(bio))
	if (IS_ERR(bio))
+1 −2
Original line number Original line Diff line number Diff line
@@ -59,10 +59,9 @@ static void _pcol_init(struct page_collect *pcol, unsigned expected_pages,
		struct inode *inode)
		struct inode *inode)
{
{
	struct exofs_sb_info *sbi = inode->i_sb->s_fs_info;
	struct exofs_sb_info *sbi = inode->i_sb->s_fs_info;
	struct request_queue *req_q = sbi->s_dev->scsi_device->request_queue;


	pcol->sbi = sbi;
	pcol->sbi = sbi;
	pcol->req_q = req_q;
	pcol->req_q = osd_request_queue(sbi->s_dev);
	pcol->inode = inode;
	pcol->inode = inode;
	pcol->expected_pages = expected_pages;
	pcol->expected_pages = expected_pages;


+5 −0
Original line number Original line Diff line number Diff line
@@ -18,6 +18,7 @@
#include "osd_types.h"
#include "osd_types.h"


#include <linux/blkdev.h>
#include <linux/blkdev.h>
#include <scsi/scsi_device.h>


/* Note: "NI" in comments below means "Not Implemented yet" */
/* Note: "NI" in comments below means "Not Implemented yet" */


@@ -69,6 +70,10 @@ void osd_dev_fini(struct osd_dev *od);


/* some hi level device operations */
/* some hi level device operations */
int osd_auto_detect_ver(struct osd_dev *od, void *caps);    /* GFP_KERNEL */
int osd_auto_detect_ver(struct osd_dev *od, void *caps);    /* GFP_KERNEL */
static inline struct request_queue *osd_request_queue(struct osd_dev *od)
{
	return od->scsi_device->request_queue;
}


/* we might want to use function vector in the future */
/* we might want to use function vector in the future */
static inline void osd_dev_set_ver(struct osd_dev *od, enum osd_std_version v)
static inline void osd_dev_set_ver(struct osd_dev *od, enum osd_std_version v)