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Fri, 24 Jul 2020 11:45:11 -0700 (PDT) Date: Fri, 24 Jul 2020 18:44:57 +0000 In-Reply-To: <20200724184501.1651378-1-satyat@google.com> Message-Id: <20200724184501.1651378-4-satyat@google.com> Mime-Version: 1.0 References: <20200724184501.1651378-1-satyat@google.com> X-Mailer: git-send-email 2.28.0.rc0.142.g3c755180ce-goog To: linux-fscrypt@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-ext4@vger.kernel.org X-Headers-End: 1jz2h2-00GEOL-PX Subject: [f2fs-dev] [PATCH v6 3/7] iomap: support direct I/O with fscrypt using blk-crypto X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Satya Tangirala via Linux-f2fs-devel Reply-To: Satya Tangirala Cc: linux-xfs@vger.kernel.org, Satya Tangirala , Eric Biggers Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net From: Eric Biggers Set bio crypt contexts on bios by calling into fscrypt when required. No DUN contiguity checks are done - callers are expected to set up the iomap correctly to ensure that each bio submitted by iomap will not have blocks with incontiguous DUNs by calling fscrypt_limit_io_blocks() appropriately. Signed-off-by: Eric Biggers Co-developed-by: Satya Tangirala Signed-off-by: Satya Tangirala --- fs/iomap/direct-io.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c index ec7b78e6feca..a8785bffdc7c 100644 --- a/fs/iomap/direct-io.c +++ b/fs/iomap/direct-io.c @@ -6,6 +6,7 @@ #include #include #include +#include #include #include #include @@ -183,11 +184,14 @@ static void iomap_dio_zero(struct iomap_dio *dio, struct iomap *iomap, loff_t pos, unsigned len) { + struct inode *inode = file_inode(dio->iocb->ki_filp); struct page *page = ZERO_PAGE(0); int flags = REQ_SYNC | REQ_IDLE; struct bio *bio; bio = bio_alloc(GFP_KERNEL, 1); + fscrypt_set_bio_crypt_ctx(bio, inode, pos >> inode->i_blkbits, + GFP_KERNEL); bio_set_dev(bio, iomap->bdev); bio->bi_iter.bi_sector = iomap_sector(iomap, pos); bio->bi_private = dio; @@ -270,6 +274,8 @@ iomap_dio_bio_actor(struct inode *inode, loff_t pos, loff_t length, } bio = bio_alloc(GFP_KERNEL, nr_pages); + fscrypt_set_bio_crypt_ctx(bio, inode, pos >> inode->i_blkbits, + GFP_KERNEL); bio_set_dev(bio, iomap->bdev); bio->bi_iter.bi_sector = iomap_sector(iomap, pos); bio->bi_write_hint = dio->iocb->ki_hint; -- 2.28.0.rc0.142.g3c755180ce-goog _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel