On Thu, Sep 21, 2017 at 10:38:22AM -0600, Jens Axboe wrote:

On 09/21/2017 09:17 AM, weiping zhang wrote:

quoted

Signed-off-by: weiping zhang <redacted>
---
 block/blk-sysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index b8362c0..03a6e19 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c

@@ -75,7 +75,7 @@ queue_requests_store(struct request_queue *q, const char *page, size_t count)
 		return ret;
 
 	if (nr < BLKDEV_MIN_RQ)
-		nr = BLKDEV_MIN_RQ;
+		return -EINVAL;

This is potentially breaking existing scripts.

I just want this keep same behavior with the too larger case, If this
may make other side effect, I drop this patch.

Thanks
weiping