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authorChristoph Hellwig <hch@lst.de>2017-04-20 16:03:01 +0200
committerJens Axboe <axboe@fb.com>2017-04-20 20:16:10 +0200
commit17d5363b83f8c73ef9109f75a4a9b578f31d842f (patch)
tree07eabf4d2ef1bbba0f5db8dcd8dba4178b5f502c /include/scsi
parentvirtio_blk: don't use req->errors (diff)
downloadlinux-17d5363b83f8c73ef9109f75a4a9b578f31d842f.tar.xz
linux-17d5363b83f8c73ef9109f75a4a9b578f31d842f.zip
scsi: introduce a result field in struct scsi_request
This passes on the scsi_cmnd result field to users of passthrough requests. Currently we abuse req->errors for this purpose, but that field will go away in its current form. Note that the old IDE code abuses the errors field in very creative ways and stores all kinds of different values in it. I didn't dare to touch this magic, so the abuses are brought forward 1:1. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Reviewed-by: Bart Van Assche <Bart.VanAssche@sandisk.com> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'include/scsi')
-rw-r--r--include/scsi/scsi_request.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/scsi/scsi_request.h b/include/scsi/scsi_request.h
index 7c583a0f363a..f0c76f9dc285 100644
--- a/include/scsi/scsi_request.h
+++ b/include/scsi/scsi_request.h
@@ -9,6 +9,7 @@ struct scsi_request {
unsigned char __cmd[BLK_MAX_CDB];
unsigned char *cmd;
unsigned short cmd_len;
+ int result;
unsigned int sense_len;
unsigned int resid_len; /* residual count */
int retries;