From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Bart Van Assche To: "hch@lst.de" CC: "linux-block@vger.kernel.org" , "hare@suse.com" , "martin.petersen@oracle.com" , "axboe@kernel.dk" Subject: Re: [PATCH] block: Call .initialize_rq_fn() also for filesystem requests Date: Mon, 28 Aug 2017 18:31:33 +0000 Message-ID: <1503945091.2841.50.camel@wdc.com> References: <20170825190057.15592-1-bart.vanassche@wdc.com> <20170828081017.GC2851@lst.de> In-Reply-To: <20170828081017.GC2851@lst.de> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 List-ID: T24gTW9uLCAyMDE3LTA4LTI4IGF0IDEwOjEwICswMjAwLCBDaHJpc3RvcGggSGVsbHdpZyB3cm90 ZToNCj4gSSBzdGlsbCBkaXNhZ3JlZSB0aGF0IHdlIHNob3VsZCBoYXZlIGFuIGluZGlyZWN0IGZ1 bmN0aW9uIGNhbGwgbGlrZSB0aGlzDQo+IGluIHRoZSBmYXN0IHBhdGguDQo+IA0KPiBBbGwgdGhh dCBjYW4gYmUgZG9uZSBieSBjbGVhcmluZyBvciBzZXR0aW5nIGEgZmxhZyBvbiB0aGUgZmlyc3Qg Y2FsbCB0bw0KPiAtPnF1ZXVlX3JxIG9yIC0+cXVldWVjb21tYW5kIGluc3RlYWQuICBJbiBOVk1l IHdlIHVzZSBSUUZfRE9OVFBSRVAgZm9yDQo+IHRoYXQsIGJ1dCBmb3IgU0NTSSB3ZSBwcm9iYWJs eSBjYW4ndCB1c2UgdGhhdCBnaXZlbiB0aGF0IGl0IGhhcyBtb3JlDQo+IG1lYW5pbmcgZm9yIHRo ZSBvbGQgcmVxdWVzdCBwYXRoLiAgQnV0IGhvdyBhYm91dCBqdXN0IGFkZGluZyBhIG5ldw0KPiBS UURfRFJWX0lOSVRJQUxJWkVEIG9yIHNpbWlsYXIgZmxhZz8NCg0KSGVsbG8gQ2hyaXN0b3BoLA0K DQpTb3JyeSBidXQgSSdtIG5vdCBlbnRodXNpYXN0IGFib3V0IHRoZSBwcm9wb3NhbCB0byBpbnRy b2R1Y2UgYQ0KUlFEX0RSVl9JTklUSUFMSVpFRCBvciBzaW1pbGFyIGZsYWcuIFRoYXQgYXBwcm9h Y2ggaW52b2x2ZXMgYW4gYW5ub3lpbmcNCmJlaGF2aW9yIGRpZmZlcmVuY2UsIG5hbWVseSB0aGF0 IC5pbml0aWFsaXplX3JxX2ZuKCkgd291bGQgYmUgY2FsbGVkIGZyb20NCmluc2lkZSBibGtfZ2V0 X3JlcXVlc3QoKSBmb3IgcGFzcy10aHJvdWdoIHJlcXVlc3RzIGFuZCBmcm9tIGluc2lkZSB0aGUg cHJlcA0KZnVuY3Rpb24gZm9yIGZpbGVzeXN0ZW0gcmVxdWVzdHMuIEFub3RoZXIgZGlzYWR2YW50 YWdlIG9mIHRoYXQgYXBwcm9hY2ggaXMNCnRoYXQgdGhlIGJsb2NrIGxheWVyIGNvcmUgbmV2ZXIg Y2xlYXJzIHJlcXVlc3QuYXRvbWljX2ZsYWdzIGNvbXBsZXRlbHkgYnV0DQpvbmx5IHNldHMgYW5k IGNsZWFycyBpbmRpdmlkdWFsIGZsYWdzLiBUaGUgU0NTSSBjb3JlIHdvdWxkIGhhdmUgdG8gZm9s bG93DQp0aGF0IG1vZGVsIGFuZCBoZW5jZSBjb2RlIGZvciBjbGVhcmluZyBSUURfRFJWX0lOSVRJ QUxJWkVEIHdvdWxkIGhhdmUgdG8gYmUNCmFkZGVkIHRvIGFsbCByZXF1ZXN0IGNvbXBsZXRpb24g cGF0aHMgaW4gdGhlIFNDU0kgY29yZS4NCg0KSGF2ZSB5b3Ugbm90aWNlZCB0aGF0IE1pbmcgTGVp J3MgcGF0Y2ggc2VyaWVzIGludHJvZHVjZXMgc2V2ZXJhbCBuZXcgYXRvbWljDQpvcGVyYXRpb25z IGluIHRoZSBob3QgcGF0aD8gSSdtIHJlZmVycmluZyBoZXJlIHRvIHRoZSBCTEtfTVFfU19ESVNQ QVRDSF9CVVNZDQptYW5pcHVsYXRpb25zLiBIYXZlIHlvdSBub3RpY2VkIHRoYXQgZm9yIFNDU0kg ZHJpdmVycyB0aGVzZSBwYXRjaGVzIGludHJvZHVjZQ0KYW4gb3ZlcmhlYWQgYmV0d2VlbiAwLjEg YW5kIDEuMCBtaWNyb3NlY29uZHMgcGVyIEkvTyByZXF1ZXN0IGluIHRoZSBob3QgcGF0aD8NCkkg aGF2ZSBkZXJpdmVkIHRoZXNlIG51bWJlcnMgZnJvbSB0aGUgcmFuZG9tIHdyaXRlIFNSUCBwZXJm b3JtYW5jZSBudW1iZXJzDQphcyBmb2xsb3dzOiAxLzE0MjQ2MCAtIDEvMTQyOTkwID0gMi42IG1p Y3Jvc2Vjb25kcy4gVGhhdCBudW1iZXIgaGFzIHRvIGJlDQptdWx0aXBsaWVkIHdpdGggdGhlIG51 bWJlciBvZiBJL08gcmVxdWVzdHMgcHJvY2Vzc2VkIGluIHBhcmFsbGVsLiBUaGUgbnVtYmVyDQpv ZiBqb2JzIGluIE1pbmcgTGVpJ3MgdGVzdCB3YXMgNjQgYnV0IHRoYXQncyBwcm9iYWJseSB3YXkg aGlnaGVyIHRoYW4gdGhlDQphY3R1YWwgSS9PIHBhcmFsbGVsaXNtLg0KDQpIYXZlIHlvdSBub3Rp Y2VkIHRoYXQgbXkgcGF0Y2ggZGlkIG5vdCBhZGQgYW55IGF0b21pYyBpbnN0cnVjdGlvbnMgdG8g dGhlIGhvdA0KcGF0aCBidXQgb25seSBhIHJlYWQgb2YgYSBmdW5jdGlvbiBwb2ludGVyIHRoYXQg c2hvdWxkIGFscmVhZHkgYmUgY2FjaGUgaG90Pw0KQXMgeW91IGtub3cgbW9kZXJuIENQVXMgYXJl IGdvb2QgYXQgcHJlZGljdGluZyBicmFuY2hlcy4gQXJlIHlvdSBzdXJlIHRoYXQgbXkNCnBhdGNo IHdpbGwgaGF2ZSBhIG1lYXN1cmFibGUgcGVyZm9ybWFuY2UgaW1wYWN0Pw0KDQpCYXJ0Lg==