Re: [PATCH] mmc: block: remove the check for whole block device for ioctl.

2016-03-19 Thread fengwei.yin
On 2016/3/16 19:48, Jon Hunter wrote: On 15/03/16 23:44, fengwei.yin wrote: On 2016/3/15 22:31, Christoph Hellwig wrote: On Tue, Mar 15, 2016 at 11:26:07AM -0400, Yin, Fengwei wrote: From: Fengwei Yin a5f5774c55a2e3ed75f4d6c5556b7bfcb726e6f0 introduced the whole block device checking fo

Re: [PATCH] mmc: block: remove the check for whole block device for ioctl.

2016-03-15 Thread fengwei.yin
On 2016/3/15 22:31, Christoph Hellwig wrote: On Tue, Mar 15, 2016 at 11:26:07AM -0400, Yin, Fengwei wrote: From: Fengwei Yin a5f5774c55a2e3ed75f4d6c5556b7bfcb726e6f0 introduced the whole block device checking for MMC_IOC_CMD while the old code has no such check. It breaks some ioctl call li

Re: [PATCH] mmc: block: remove the check for whole block device for ioctl.

2016-03-15 Thread Christoph Hellwig
On Tue, Mar 15, 2016 at 11:26:07AM -0400, Yin, Fengwei wrote: > From: Fengwei Yin > > a5f5774c55a2e3ed75f4d6c5556b7bfcb726e6f0 introduced the whole block > device checking for MMC_IOC_CMD while the old code has no such check. > > It breaks some ioctl call like BLKROSET from user space. An exampl