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authorChristoph Hellwig <hch@lst.de>2016-07-19 12:31:50 +0300
committerJens Axboe <axboe@fb.com>2016-07-21 02:38:30 +0300
commit0c4de0f33b0a86a426c0c3958cd40d8c82ede8d2 (patch)
treed3666484b5a0f67400eacef1225826799390aa73 /drivers/nvme
parentf9596695bee6a88d17118ee9f2f826f96b826644 (diff)
downloadlinux-0c4de0f33b0a86a426c0c3958cd40d8c82ede8d2.tar.xz
block: ensure bios return from blk_get_request are properly initialized
blk_get_request is used for BLOCK_PC and similar passthrough requests. Currently we always need to call blk_rq_set_block_pc or an open coded version of it to allow appending bios using the request mapping helpers later on, which is a somewhat awkward API. Instead move the initialization part of blk_rq_set_block_pc into blk_get_request, so that we always have a safe to use request. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/host/core.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index cf4b75088876..9f0ec3b4659f 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -222,10 +222,6 @@ struct request *nvme_alloc_request(struct request_queue *q,
req->cmd_type = REQ_TYPE_DRV_PRIV;
req->cmd_flags |= REQ_FAILFAST_DRIVER;
- req->__data_len = 0;
- req->__sector = (sector_t) -1;
- req->bio = req->biotail = NULL;
-
req->cmd = (unsigned char *)cmd;
req->cmd_len = sizeof(struct nvme_command);