From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Bart Van Assche To: "jianchao.w.wang@oracle.com" , "axboe@kernel.dk" CC: "linux-kernel@vger.kernel.org" , "linux-block@vger.kernel.org" Subject: Re: [PATCH] blk-mq: use mutex_trylock to avoid lock inversion Date: Tue, 19 Jun 2018 15:20:39 +0000 Message-ID: <2409013d789ca266879d24c815b76c2193e23fe3.camel@wdc.com> References: <1529391637-1704-1-git-send-email-jianchao.w.wang@oracle.com> In-Reply-To: <1529391637-1704-1-git-send-email-jianchao.w.wang@oracle.com> Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 List-ID: T24gVHVlLCAyMDE4LTA2LTE5IGF0IDE1OjAwICswODAwLCBKaWFuY2hhbyBXYW5nIHdyb3RlOg0K PiBDdXJyZW50bHksIHRoZSBrb2JqZWN0X2RlbCBmb3Iga29ianMgb2YgbXEsIGhjdHggYW5kIGN0 eCBpcyBpbnZva2VkDQo+IHVuZGVyIHN5c2ZzX2xvY2ssIGxvY2sgaW52ZXJzaW9uIHdpbGwgY29t ZSB1cCB3aGVuIG90aGVyIG9uZSBpcw0KPiBhY2Vzc2luZyB0aGUgYXNzb2NpYXRlZCBzeXNmcyBm aWxlIGFuZCB0cnlpbmcgdG8gYWNxdWlyZSB0aGUNCj4gc3lzZnNfbG9jay4gVG8gZml4IGl0LCB1 c2UgbXV0ZXhfdHJ5bG9jayBpbiBibGtfbXFfc3lzZnNfb3BzIGFuZA0KPiBibGtfbXFfaHdfc3lz ZnNfb3BzLCBpZiB0aGUgbG9jayBpbiBvbiBjb250ZW5kaW5nLCByZXR1cm4gLUVBR0FJTi4NCg0K SXMgdGhpcyBhIHRoZW9yZXRpY2FsIGlzc3VlIG9yIHNvbWV0aGluZyB5b3UgYWN0dWFsbHkgcmFu IGludG8/IFdoaWNoIGxvY2sNCm90aGVyIHRoYW4gc3lzZnNfbG9jayBkbyB5b3UgdGhpbmsgaXMg aW52b2x2ZWQgaW4gdGhlIGxvY2sgaW52ZXJzaW9uPw0KDQpCYXJ0Lg0KDQoNCg0K