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scst: Fix build for kernels 3.15 and older

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blk_rq_set_block_pc() was introduced in kernel 3.16.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7262 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2017-11-13 16:18:00 +00:00
parent 1190cf1ea1
commit f8fab6fcab
2 changed files with 23 additions and 15 deletions
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scst/include/backport.h
+23
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@@ -746,4 +746,27 @@ static inline int scsi_bidi_cmnd(struct scsi_cmnd *cmd)
}
#endif
/* <scsi/scsi_request.h> */
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 11, 0)
static inline struct request *scsi_req(struct request *rq)
{
return rq;
}
static inline void scsi_req_init(struct request *rq)
{
#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 16, 0)
rq->cmd_type = REQ_TYPE_BLOCK_PC;
rq->__data_len = 0;
rq->__sector = (sector_t) -1;
rq->bio = rq->biotail = NULL;
memset(rq->__cmd, 0, sizeof(rq->__cmd));
rq->cmd = rq->__cmd;
#else
return blk_rq_set_block_pc(rq);
#endif
}
#endif
#endif /* _SCST_BACKPORT_H_ */