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-rw-r--r--block/bsg.c2
-rw-r--r--block/scsi_ioctl.c2
-rw-r--r--include/linux/blkdev.h1
3 files changed, 5 insertions, 0 deletions
diff --git a/block/bsg.c b/block/bsg.c
index 0aae8d7ba99c..9cfbea8f2b83 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -202,6 +202,8 @@ static int blk_fill_sgv4_hdr_rq(struct request_queue *q, struct request *rq,
rq->timeout = q->sg_timeout;
if (!rq->timeout)
rq->timeout = BLK_DEFAULT_SG_TIMEOUT;
+ if (rq->timeout < BLK_MIN_SG_TIMEOUT)
+ rq->timeout = BLK_MIN_SG_TIMEOUT;
return 0;
}
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index ec4b7f234626..dd3281a5fb5f 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -208,6 +208,8 @@ static int blk_fill_sghdr_rq(struct request_queue *q, struct request *rq,
rq->timeout = q->sg_timeout;
if (!rq->timeout)
rq->timeout = BLK_DEFAULT_SG_TIMEOUT;
+ if (rq->timeout < BLK_MIN_SG_TIMEOUT)
+ rq->timeout = BLK_MIN_SG_TIMEOUT;
return 0;
}
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 53ea933cf60b..73f4532373b8 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -623,6 +623,7 @@ extern unsigned long blk_max_low_pfn, blk_max_pfn;
* default timeout for SG_IO if none specified
*/
#define BLK_DEFAULT_SG_TIMEOUT (60 * HZ)
+#define BLK_MIN_SG_TIMEOUT (7 * HZ)
#ifdef CONFIG_BOUNCE
extern int init_emergency_isa_pool(void);