| Message ID | 20210604210908.2105870-7-satyat@google.com |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | add support for direct I/O with fscrypt using blk-crypto | expand |
On Fri, Jun 04, 2021 at 09:09:05PM +0000, Satya Tangirala wrote: > 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> Looks like a straightforward conversion... Acked-by: Darrick J. Wong <djwong@kernel.org> --D > --- > 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 >
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;