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[193.106.164.211]) by smtp.gmail.com with ESMTPSA id e38-v6sm10941351eda.74.2018.09.11.04.25.08 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 11 Sep 2018 04:25:08 -0700 (PDT) From: "=?UTF-8?q?Javier=20Gonz=C3=A1lez?=" X-Google-Original-From: =?UTF-8?q?Javier=20Gonz=C3=A1lez?= To: mb@lightnvm.io Cc: axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, =?UTF-8?q?Javier=20Gonz=C3=A1lez?= Subject: [V5 PATCH 0/3] lightnvm: pblk: take write semaphore on metadata Date: Tue, 11 Sep 2018 13:24:48 +0200 Message-Id: <1536665091-12641-1-git-send-email-javier@cnexlabs.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org # Changes since V4: - Rebase on top of Matias' core - Reorder patches to avoid in-patchset changes # Changes since V3: - Encapsulate rqd dma allocations to reduce code replication (by Matias) # Changes since V2: - Split the original patch between the metadata refactoring and the semaphore logic. This simplifies the write path, where the semaphore is taken. # Changes singe V1: - Fix double I/O on the read path (by Matias) - Improve commit message (by Jens) This patchset refactors the metadata separate write and read paths, which simplifies how the semaphore is taken for writes. Thanks, Javier Javier González (3): lightnvm: encapsule rqd dma allocations lightnvm: pblk: refactor metadata paths lightnvm: pblk: take write semaphore on metadata drivers/lightnvm/pblk-core.c | 376 ++++++++++++++++++++------------------- drivers/lightnvm/pblk-gc.c | 2 +- drivers/lightnvm/pblk-read.c | 31 ++-- drivers/lightnvm/pblk-recovery.c | 34 ++-- drivers/lightnvm/pblk-write.c | 15 +- drivers/lightnvm/pblk.h | 7 +- 6 files changed, 222 insertions(+), 243 deletions(-) -- 2.7.4