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scst: Fix block request allocation for kernel v4.18 and later

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git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7479 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2018-09-27 02:23:57 +00:00
parent e2e076cb84
commit 75b78880d0
1 changed files with 10 additions and 2 deletions
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scst/src/scst_lib.c
+10 -2
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@@ -7925,9 +7925,13 @@ static struct request *blk_make_request(struct request_queue *q,
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 11, 0)
rq = blk_get_request(q, bio_data_dir(bio), gfp_mask);
#else
#elif LINUX_VERSION_CODE < KERNEL_VERSION(4, 11, 0)
rq = blk_get_request(q, bio_data_dir(bio) == READ ? REQ_OP_SCSI_IN :
REQ_OP_SCSI_OUT, gfp_mask);
#else
WARN_ON_ONCE(gfp_mask != GFP_KERNEL);
rq = blk_get_request(q, bio_data_dir(bio) == READ ? REQ_OP_SCSI_IN :
REQ_OP_SCSI_OUT, 0);
#endif
if (IS_ERR(rq))
@@ -8169,9 +8173,13 @@ static struct request *blk_map_kern_sg(struct request_queue *q,
if (!sgl) {
#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 11, 0)
rq = blk_get_request(q, reading ? READ : WRITE, gfp);
#else
#elif LINUX_VERSION_CODE < KERNEL_VERSION(4, 18, 0)
rq = blk_get_request(q, reading ? REQ_OP_SCSI_IN :
REQ_OP_SCSI_OUT, gfp);
#else
WARN_ON_ONCE(gfp != GFP_KERNEL);
rq = blk_get_request(q, reading ? REQ_OP_SCSI_IN :
REQ_OP_SCSI_OUT, 0);
#endif
if (unlikely(!rq))
return ERR_PTR(-ENOMEM);