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[209.85.167.51]) by smtp.gmail.com with ESMTPSA id d3sm5219396ljc.15.2019.04.26.10.09.05 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 26 Apr 2019 10:09:05 -0700 (PDT) Received: by mail-lf1-f51.google.com with SMTP id i68so2870651lfi.10 for ; Fri, 26 Apr 2019 10:09:05 -0700 (PDT) X-Received: by 2002:ac2:547a:: with SMTP id e26mr4435805lfn.148.1556298545193; Fri, 26 Apr 2019 10:09:05 -0700 (PDT) MIME-Version: 1.0 References: <20190425174739.27604-1-idryomov@gmail.com> <342ef35feb1110197108068d10e518742823a210.camel@kernel.org> <20190425200941.GW2217@ZenIV.linux.org.uk> <86674e79e9f24e81feda75bc3c0dd4215604ffa5.camel@kernel.org> <20190426170108.GZ2217@ZenIV.linux.org.uk> In-Reply-To: <20190426170108.GZ2217@ZenIV.linux.org.uk> From: Linus Torvalds Date: Fri, 26 Apr 2019 10:08:48 -0700 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [GIT PULL] Ceph fixes for 5.1-rc7 To: Al Viro Cc: Jeff Layton , Ilya Dryomov , ceph-devel@vger.kernel.org, Linux List Kernel Mailing Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 26, 2019 at 10:01 AM Al Viro wrote: > > What I don't understand is why would anyone want to mess with > name snapshots for dentry_path() lookalikes... Talking about dentry_path()... Shouldn't the ceph path walking code also check the mount_lock sequence to make sure the path is actually stable? Maybe it doesn't matter. Linus