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[216.228.112.21]) by smtp.gmail.com with ESMTPSA id a15sm34153364pgw.3.2019.07.23.21.25.28 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Tue, 23 Jul 2019 21:25:29 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Cc: Alexander Viro , Anna Schumaker , "David S . Miller" , Dominique Martinet , Eric Van Hensbergen , Jason Gunthorpe , Jason Wang , Jens Axboe , Latchesar Ionkov , "Michael S . Tsirkin" , Miklos Szeredi , Trond Myklebust , Christoph Hellwig , Matthew Wilcox , linux-mm@kvack.org, LKML , ceph-devel@vger.kernel.org, kvm@vger.kernel.org, linux-block@vger.kernel.org, linux-cifs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-rdma@vger.kernel.org, netdev@vger.kernel.org, samba-technical@lists.samba.org, v9fs-developer@lists.sourceforge.net, virtualization@lists.linux-foundation.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , John Hubbard , Jan Kara , Dan Williams , Johannes Thumshirn , Ming Lei , Dave Chinner , Boaz Harrosh Subject: [PATCH 06/12] fs/nfs: convert put_page() to put_user_page*() Date: Tue, 23 Jul 2019 21:25:12 -0700 Message-Id: <20190724042518.14363-7-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190724042518.14363-1-jhubbard@nvidia.com> References: <20190724042518.14363-1-jhubbard@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-NVConfidentiality: public Content-Transfer-Encoding: 8bit X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: Jérôme Glisse For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Signed-off-by: Jérôme Glisse Signed-off-by: John Hubbard Cc: linux-fsdevel@vger.kernel.org Cc: linux-block@vger.kernel.org Cc: linux-mm@kvack.org Cc: linux-nfs@vger.kernel.org Cc: Jan Kara Cc: Dan Williams Cc: Alexander Viro Cc: Johannes Thumshirn Cc: Christoph Hellwig Cc: Jens Axboe Cc: Ming Lei Cc: Dave Chinner Cc: Jason Gunthorpe Cc: Matthew Wilcox Cc: Boaz Harrosh Cc: Trond Myklebust Cc: Anna Schumaker --- fs/nfs/direct.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c index 0cb442406168..35f30fe2900f 100644 --- a/fs/nfs/direct.c +++ b/fs/nfs/direct.c @@ -512,7 +512,10 @@ static ssize_t nfs_direct_read_schedule_iovec(struct nfs_direct_req *dreq, pos += req_len; dreq->bytes_left -= req_len; } - nfs_direct_release_pages(pagevec, npages); + if (iov_iter_get_pages_use_gup(iter)) + put_user_pages(pagevec, npages); + else + nfs_direct_release_pages(pagevec, npages); kvfree(pagevec); if (result < 0) break; @@ -935,7 +938,10 @@ static ssize_t nfs_direct_write_schedule_iovec(struct nfs_direct_req *dreq, pos += req_len; dreq->bytes_left -= req_len; } - nfs_direct_release_pages(pagevec, npages); + if (iov_iter_get_pages_use_gup(iter)) + put_user_pages(pagevec, npages); + else + nfs_direct_release_pages(pagevec, npages); kvfree(pagevec); if (result < 0) break; -- 2.22.0