From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f178.google.com (mail-pd0-f178.google.com [209.85.192.178]) by kanga.kvack.org (Postfix) with ESMTP id EEACD6B0259 for ; Tue, 11 Aug 2015 12:51:25 -0400 (EDT) Received: by pdrg1 with SMTP id g1so85508366pdr.2 for ; Tue, 11 Aug 2015 09:51:25 -0700 (PDT) Received: from mga14.intel.com (mga14.intel.com. [192.55.52.115]) by mx.google.com with ESMTP id qe7si4406717pbb.233.2015.08.11.09.51.24 for ; Tue, 11 Aug 2015 09:51:24 -0700 (PDT) From: "Wilcox, Matthew R" Subject: RE: [PATCH, RFC 2/2] dax: use range_lock instead of i_mmap_lock Date: Tue, 11 Aug 2015 16:51:22 +0000 Message-ID: <100D68C7BA14664A8938383216E40DE040914C3E@FMSMSX114.amr.corp.intel.com> References: <1439219664-88088-1-git-send-email-kirill.shutemov@linux.intel.com> <1439219664-88088-3-git-send-email-kirill.shutemov@linux.intel.com> <20150811081909.GD2650@quack.suse.cz> <20150811093708.GB906@dastard> <20150811135004.GC2659@quack.suse.cz> <55CA0728.7060001@plexistor.com> In-Reply-To: <55CA0728.7060001@plexistor.com> Content-Language: en-US Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: owner-linux-mm@kvack.org List-ID: To: Boaz Harrosh , Jan Kara , Dave Chinner Cc: "Kirill A. Shutemov" , Andrew Morton , "linux-mm@kvack.org" , "linux-fsdevel@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Davidlohr Bueso VGhlIHJhY2UgdGhhdCB5b3UncmUgbm90IHNlZWluZyBpcyBwYWdlIGZhdWx0IHZzIHBhZ2UgZmF1 bHQuICBUd28gdGhyZWFkcyBlYWNoIGF0dGVtcHQgdG8gc3RvcmUgYSBieXRlIHRvIGRpZmZlcmVu dCBsb2NhdGlvbnMgb24gdGhlIHNhbWUgcGFnZS4gIFdpdGggYSByZWFkLW11dGV4IHRvIGV4Y2x1 ZGUgdHJ1bmNhdGVzLCBlYWNoIHRocmVhZCBjYWxscyAtPmdldF9ibG9jay4gIE9uZSBvZiB0aGUg dGhyZWFkcyBnZXRzIGJhY2sgYSBidWZmZXIgbWFya2VkIGFzIEJIX05ldyBhbmQgY2FsbHMgbWVt c2V0KCkgdG8gY2xlYXIgdGhlIHBhZ2UuICBUaGUgb3RoZXIgdGhyZWFkIGdldHMgYmFjayBhIGJ1 ZmZlciB3aGljaCBpc24ndCBtYXJrZWQgYXMgQkhfTmV3IGFuZCBzaW1wbHkgaW5zZXJ0cyB0aGUg bWFwcGluZywgcmV0dXJuaW5nIHRvIHVzZXJzcGFjZSwgd2hpY2ggc3RvcmVzIHRoZSBieXRlIC4u LiBqdXN0IGluIHRpbWUgZm9yIHRoZSBvdGhlciB0aHJlYWQncyBtZW1zZXQoKSB0byB3cml0ZSBh IHplcm8gb3ZlciB0aGUgdG9wIG9mIGl0Lg0KDQpPaCwgYW5kIGlmIGl0J3MgYSBsb2FkIHJhY2lu ZyBhZ2FpbnN0IGEgc3RvcmUsIHlvdSBjb3VsZCByZWFkIGRhdGEgdGhhdCB1c2VkIHRvIGJlIGlu 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