Re: [PATCH] xen-blkfront: Fix handling of non-supported operations

[Omar Sandoval <osandov@osandov.com>]

On Mon, Jul 24, 2017 at 03:10:09PM +0000, Bart Van Assche wrote:
> On Mon, 2017-07-24 at 08:46 -0600, Jens Axboe wrote:
> > On 07/21/2017 11:11 AM, Bart Van Assche wrote:
> > > This patch fixes the following sparse warnings:
> > > 
> > > drivers/block/xen-blkfront.c:916:45: warning: incorrect type in argument 2 (different base types)
> > > drivers/block/xen-blkfront.c:916:45:    expected restricted blk_status_t [usertype] error
> > > drivers/block/xen-blkfront.c:916:45:    got int [signed] error
> > > drivers/block/xen-blkfront.c:1599:47: warning: incorrect type in assignment (different base types)
> > > drivers/block/xen-blkfront.c:1599:47:    expected int [signed] error
> > > drivers/block/xen-blkfront.c:1599:47:    got restricted blk_status_t [usertype] <noident>
> > > drivers/block/xen-blkfront.c:1607:55: warning: incorrect type in assignment (different base types)
> > > drivers/block/xen-blkfront.c:1607:55:    expected int [signed] error
> > > drivers/block/xen-blkfront.c:1607:55:    got restricted blk_status_t [usertype] <noident>
> > > drivers/block/xen-blkfront.c:1625:55: warning: incorrect type in assignment (different base types)
> > > drivers/block/xen-blkfront.c:1625:55:    expected int [signed] error
> > > drivers/block/xen-blkfront.c:1625:55:    got restricted blk_status_t [usertype] <noident>
> > > drivers/block/xen-blkfront.c:1628:62: warning: restricted blk_status_t degrades to integer
> > > 
> > > Compile-tested only.
> > 
> > Applied, but I killed your stable tag. Why did you add that?
> 
> Hello Jens,
> 
> That tag was added based on the output of git describe:
> $ git describe 2a842acab109
> v4.12-rc2-199-g2a842acab109
> 
> However, the following command shows that the above output is misleading and that the
> stable tag is indeed not needed:
> $ git log v4.12..origin/master | grep '^commit 2a842acab109'            
> commit 2a842acab109f40f0d7d10b38e9ca88390628996
> 
> Bart.

You want git tag --contains:

$ git tag --contains 2a842acab109
v4.13-rc1
v4.13-rc2