From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?utf-8?B?SsO2cm4=?= Engel Subject: Re: [PATCH v4 2/4] [SCSI] sg: no need sg_open_exclusive_lock Date: Fri, 19 Jul 2013 17:19:29 -0400 Message-ID: <20130719211929.GB29404@logfs.org> References: <20130715203730.GA21804@logfs.org> <1374075246-22923-1-git-send-email-vaughan.cao@oracle.com> <1374075246-22923-3-git-send-email-vaughan.cao@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: <1374075246-22923-3-git-send-email-vaughan.cao@oracle.com> Sender: linux-kernel-owner@vger.kernel.org To: Vaughan Cao Cc: dgilbert@interlog.com, JBottomley@parallels.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-scsi@vger.kernel.org On Wed, 17 July 2013 23:34:04 +0800, Vaughan Cao wrote: > Date: Wed, 17 Jul 2013 23:34:04 +0800 > From: Vaughan Cao > To: joern@logfs.org > Cc: dgilbert@interlog.com, JBottomley@parallels.com, > linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, > vaughan.cao@oracle.com > Subject: [PATCH v4 2/4] [SCSI] sg: no need sg_open_exclusive_lock > X-Mailer: git-send-email 1.7.11.7 >=20 > Open exclusive check is protected by o_sem, no need sg_open_exclusive= _lock. > @exclude is used to record which type of rwsem we are holding. >=20 > Signed-off-by: Vaughan Cao Reviewed-by: Joern Engel J=C3=B6rn -- "Error protection by error detection and correction." -- from a university class