From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bart Van Assche Subject: Re: [PATCH v5] blk-mq: introduce BLK_STS_DEV_RESOURCE Date: Tue, 30 Jan 2018 19:42:31 +0000 Message-ID: <1517341349.2589.35.camel@wdc.com> References: <20180130142459.52668-1-snitzer@redhat.com> <43ac2314-c98d-bb76-0dfb-171d15cc5fd8@wdc.com> <20180130193323.GA15943@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20180130193323.GA15943@redhat.com> Content-Language: en-US Content-ID: <194CA7F3795D7B4CB3A2A13F9E52E84C@namprd04.prod.outlook.com> Sender: linux-block-owner@vger.kernel.org To: "snitzer@redhat.com" Cc: "dm-devel@redhat.com" , "linux-scsi@vger.kernel.org" , "linux-block@vger.kernel.org" , "linux-nvme@lists.infradead.org" , "axboe@kernel.dk" List-Id: dm-devel.ids T24gVHVlLCAyMDE4LTAxLTMwIGF0IDE0OjMzIC0wNTAwLCBNaWtlIFNuaXR6ZXIgd3JvdGU6DQo+ IE9uIFR1ZSwgSmFuIDMwIDIwMTggYXQgMTI6NTJwbSAtMDUwMCwNCj4gQmFydCBWYW4gQXNzY2hl IDxiYXJ0LnZhbmFzc2NoZUB3ZGMuY29tPiB3cm90ZToNCj4gDQo+ID4gLSBUaGlzIHBhdGNoIGRv ZXMgbm90IGZpeCBhbnkgYnVncyBub3IgbWFrZXMgYmxvY2sgZHJpdmVycyBlYXNpZXIgdG8NCj4g PiAgIHJlYWQgb3IgdG8gaW1wbGVtZW50LiBTbyB3aHkgaXMgdGhpcyBwYXRjaCBjb25zaWRlcmVk IHVzZWZ1bD8NCj4gDQo+IEl0IGVuYWJsZXMgYmxrLW1xIGNvcmUgdG8gb3duIHRoZSBwcm9ibGVt IHRoYXQgaW5kaXZpZHVhbCBkcml2ZXJzIHNob3VsZA0KPiBoYXZlIG5vIGJ1c2luZXNzIG5lZWRp bmcgdG8gd29ycnkgYWJvdXQuICBQZXJpb2QuDQoNClRoYW5rcyBmb3IgaGF2aW5nIGNvbmZpcm1l ZCB0aGF0IHRoaXMgcGF0Y2ggaXMgYW4gQVBJLWNoYW5nZSBvbmx5IGFuZCBkb2VzDQpub3QgZml4 IGFueSBidWdzLg0KDQpCYXJ0Lg== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Bart Van Assche To: "snitzer@redhat.com" CC: "dm-devel@redhat.com" , "linux-scsi@vger.kernel.org" , "linux-block@vger.kernel.org" , "linux-nvme@lists.infradead.org" , "axboe@kernel.dk" Subject: Re: [PATCH v5] blk-mq: introduce BLK_STS_DEV_RESOURCE Date: Tue, 30 Jan 2018 19:42:31 +0000 Message-ID: <1517341349.2589.35.camel@wdc.com> References: <20180130142459.52668-1-snitzer@redhat.com> <43ac2314-c98d-bb76-0dfb-171d15cc5fd8@wdc.com> <20180130193323.GA15943@redhat.com> In-Reply-To: <20180130193323.GA15943@redhat.com> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 List-ID: T24gVHVlLCAyMDE4LTAxLTMwIGF0IDE0OjMzIC0wNTAwLCBNaWtlIFNuaXR6ZXIgd3JvdGU6DQo+ IE9uIFR1ZSwgSmFuIDMwIDIwMTggYXQgMTI6NTJwbSAtMDUwMCwNCj4gQmFydCBWYW4gQXNzY2hl IDxiYXJ0LnZhbmFzc2NoZUB3ZGMuY29tPiB3cm90ZToNCj4gDQo+ID4gLSBUaGlzIHBhdGNoIGRv ZXMgbm90IGZpeCBhbnkgYnVncyBub3IgbWFrZXMgYmxvY2sgZHJpdmVycyBlYXNpZXIgdG8NCj4g PiAgIHJlYWQgb3IgdG8gaW1wbGVtZW50LiBTbyB3aHkgaXMgdGhpcyBwYXRjaCBjb25zaWRlcmVk IHVzZWZ1bD8NCj4gDQo+IEl0IGVuYWJsZXMgYmxrLW1xIGNvcmUgdG8gb3duIHRoZSBwcm9ibGVt IHRoYXQgaW5kaXZpZHVhbCBkcml2ZXJzIHNob3VsZA0KPiBoYXZlIG5vIGJ1c2luZXNzIG5lZWRp bmcgdG8gd29ycnkgYWJvdXQuICBQZXJpb2QuDQoNClRoYW5rcyBmb3IgaGF2aW5nIGNvbmZpcm1l ZCB0aGF0IHRoaXMgcGF0Y2ggaXMgYW4gQVBJLWNoYW5nZSBvbmx5IGFuZCBkb2VzDQpub3QgZml4 IGFueSBidWdzLg0KDQpCYXJ0Lg== From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bart.VanAssche@wdc.com (Bart Van Assche) Date: Tue, 30 Jan 2018 19:42:31 +0000 Subject: [PATCH v5] blk-mq: introduce BLK_STS_DEV_RESOURCE In-Reply-To: <20180130193323.GA15943@redhat.com> References: <20180130142459.52668-1-snitzer@redhat.com> <43ac2314-c98d-bb76-0dfb-171d15cc5fd8@wdc.com> <20180130193323.GA15943@redhat.com> Message-ID: <1517341349.2589.35.camel@wdc.com> On Tue, 2018-01-30@14:33 -0500, Mike Snitzer wrote: > On Tue, Jan 30 2018 at 12:52pm -0500, > Bart Van Assche wrote: > > > - This patch does not fix any bugs nor makes block drivers easier to > > read or to implement. So why is this patch considered useful? > > It enables blk-mq core to own the problem that individual drivers should > have no business needing to worry about. Period. Thanks for having confirmed that this patch is an API-change only and does not fix any bugs. Bart.