From: Satya Tangirala <satyat@google.com> To: "Theodore Y . Ts'o" <tytso@mit.edu>, Jaegeuk Kim <jaegeuk@kernel.org>, Eric Biggers <ebiggers@kernel.org>, Chao Yu <chao@kernel.org>, Jens Axboe <axboe@kernel.dk>, "Darrick J . Wong" <darrick.wong@oracle.com> Cc: linux-kernel@vger.kernel.org, linux-fscrypt@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-xfs@vger.kernel.org, linux-block@vger.kernel.org, linux-ext4@vger.kernel.org, Eric Biggers <ebiggers@google.com>, Satya Tangirala <satyat@google.com> Subject: [PATCH v9 6/9] iomap: support direct I/O with fscrypt using blk-crypto Date: Fri, 4 Jun 2021 21:09:05 +0000 [thread overview] Message-ID: <20210604210908.2105870-7-satyat@google.com> (raw) In-Reply-To: <20210604210908.2105870-1-satyat@google.com> From: Eric Biggers <ebiggers@google.com> 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 <ebiggers@google.com> Co-developed-by: Satya Tangirala <satyat@google.com> Signed-off-by: Satya Tangirala <satyat@google.com> --- 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 9398b8c31323..1c825deb36a9 100644 --- a/fs/iomap/direct-io.c +++ b/fs/iomap/direct-io.c @@ -6,6 +6,7 @@ #include <linux/module.h> #include <linux/compiler.h> #include <linux/fs.h> +#include <linux/fscrypt.h> #include <linux/iomap.h> #include <linux/backing-dev.h> #include <linux/uio.h> @@ -185,11 +186,14 @@ 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; @@ -306,6 +310,8 @@ 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; -- 2.32.0.rc1.229.g3e70b5a671-goog
WARNING: multiple messages have this Message-ID (diff)
From: Satya Tangirala via Linux-f2fs-devel <linux-f2fs-devel@lists.sourceforge.net> To: "Theodore Y . Ts'o" <tytso@mit.edu>, Jaegeuk Kim <jaegeuk@kernel.org>, Eric Biggers <ebiggers@kernel.org>, Chao Yu <chao@kernel.org>, Jens Axboe <axboe@kernel.dk>, "Darrick J . Wong" <darrick.wong@oracle.com> Cc: linux-block@vger.kernel.org, Eric Biggers <ebiggers@google.com>, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-xfs@vger.kernel.org, linux-fscrypt@vger.kernel.org, Satya Tangirala <satyat@google.com>, linux-ext4@vger.kernel.org Subject: [f2fs-dev] [PATCH v9 6/9] iomap: support direct I/O with fscrypt using blk-crypto Date: Fri, 4 Jun 2021 21:09:05 +0000 [thread overview] Message-ID: <20210604210908.2105870-7-satyat@google.com> (raw) In-Reply-To: <20210604210908.2105870-1-satyat@google.com> From: Eric Biggers <ebiggers@google.com> 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 <ebiggers@google.com> Co-developed-by: Satya Tangirala <satyat@google.com> Signed-off-by: Satya Tangirala <satyat@google.com> --- 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 9398b8c31323..1c825deb36a9 100644 --- a/fs/iomap/direct-io.c +++ b/fs/iomap/direct-io.c @@ -6,6 +6,7 @@ #include <linux/module.h> #include <linux/compiler.h> #include <linux/fs.h> +#include <linux/fscrypt.h> #include <linux/iomap.h> #include <linux/backing-dev.h> #include <linux/uio.h> @@ -185,11 +186,14 @@ 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; @@ -306,6 +310,8 @@ 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; -- 2.32.0.rc1.229.g3e70b5a671-goog _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
next prev parent reply other threads:[~2021-06-04 21:09 UTC|newest] Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-06-04 21:08 [PATCH v9 0/9] add support for direct I/O with fscrypt using blk-crypto Satya Tangirala 2021-06-04 21:08 ` [f2fs-dev] " Satya Tangirala via Linux-f2fs-devel 2021-06-04 21:09 ` [PATCH v9 1/9] block: blk-crypto-fallback: handle data unit split across multiple bvecs Satya Tangirala 2021-06-04 21:09 ` [f2fs-dev] " Satya Tangirala via Linux-f2fs-devel 2021-06-04 21:09 ` [PATCH v9 2/9] block: blk-crypto: relax alignment requirements for bvecs in bios Satya Tangirala 2021-06-04 21:09 ` [f2fs-dev] " Satya Tangirala via Linux-f2fs-devel 2021-06-04 21:09 ` [PATCH v9 3/9] fscrypt: add functions for direct I/O support Satya Tangirala 2021-06-04 21:09 ` [f2fs-dev] " Satya Tangirala via Linux-f2fs-devel 2021-07-23 20:42 ` Eric Biggers 2021-07-23 20:42 ` [f2fs-dev] " Eric Biggers 2021-06-04 21:09 ` [PATCH v9 4/9] direct-io: add support for fscrypt using blk-crypto Satya Tangirala 2021-06-04 21:09 ` [f2fs-dev] " Satya Tangirala via Linux-f2fs-devel 2021-06-04 21:09 ` [PATCH v9 5/9] block: Make bio_iov_iter_get_pages() respect bio_required_sector_alignment() Satya Tangirala 2021-06-04 21:09 ` [f2fs-dev] " Satya Tangirala via Linux-f2fs-devel 2021-06-04 22:51 ` kernel test robot 2021-06-04 22:51 ` kernel test robot 2021-06-05 2:55 ` kernel test robot 2021-06-05 2:55 ` kernel test robot 2021-07-23 21:33 ` Eric Biggers 2021-07-23 21:33 ` [f2fs-dev] " Eric Biggers 2021-07-24 7:19 ` Christoph Hellwig 2021-07-24 7:19 ` [f2fs-dev] " Christoph Hellwig 2021-06-04 21:09 ` Satya Tangirala [this message] 2021-06-04 21:09 ` [f2fs-dev] [PATCH v9 6/9] iomap: support direct I/O with fscrypt using blk-crypto Satya Tangirala via Linux-f2fs-devel 2021-07-22 19:04 ` Darrick J. Wong 2021-07-22 19:04 ` [f2fs-dev] " Darrick J. Wong 2021-06-04 21:09 ` [PATCH v9 7/9] ext4: " Satya Tangirala 2021-06-04 21:09 ` [f2fs-dev] " Satya Tangirala via Linux-f2fs-devel 2021-06-04 21:09 ` [PATCH v9 8/9] f2fs: " Satya Tangirala 2021-06-04 21:09 ` [f2fs-dev] " Satya Tangirala via Linux-f2fs-devel 2021-06-04 21:09 ` [PATCH v9 9/9] fscrypt: update documentation for direct I/O support Satya Tangirala 2021-06-04 21:09 ` [f2fs-dev] " Satya Tangirala via Linux-f2fs-devel [not found] ` <CAF2Aj3h-Gt3bOxH4wXB7aeQ3jVzR3TEqd3uLsh4T9Q=e6W6iqQ@mail.gmail.com> 2021-07-22 14:48 ` [PATCH v9 0/9] add support for direct I/O with fscrypt using blk-crypto Eric Biggers 2021-07-22 14:48 ` [f2fs-dev] " Eric Biggers 2021-08-04 8:26 ` Lee Jones 2021-08-04 8:26 ` [f2fs-dev] " Lee Jones
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