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authorLinus Torvalds <torvalds@linux-foundation.org>2022-03-22 19:50:16 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2022-03-22 19:50:16 +0300
commit881b568756ae55ce7d87b9f001cbbe9d1289893e (patch)
treeef01162f9685a0560e6a732f62203140924d315b /fs/iomap
parent0313bc278dac7cd9ce83a8d384581dc043156965 (diff)
parentcdaa1b1941f667814300799ddb74f3079517cd5a (diff)
downloadlinux-881b568756ae55ce7d87b9f001cbbe9d1289893e.tar.xz
Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt
Pull fscrypt updates from Eric Biggers: "Add support for direct I/O on encrypted files when blk-crypto (inline encryption) is being used for file contents encryption" * tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt: fscrypt: update documentation for direct I/O support f2fs: support direct I/O with fscrypt using blk-crypto ext4: support direct I/O with fscrypt using blk-crypto iomap: support direct I/O with fscrypt using blk-crypto fscrypt: add functions for direct I/O support
Diffstat (limited to 'fs/iomap')
-rw-r--r--fs/iomap/direct-io.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c
index e2ba13645ef2..67cf9c16f80c 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/pagemap.h>
#include <linux/iomap.h>
#include <linux/backing-dev.h>
@@ -179,11 +180,14 @@ static void iomap_dio_bio_end_io(struct bio *bio)
static void iomap_dio_zero(const struct iomap_iter *iter, struct iomap_dio *dio,
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(iter->iomap.bdev, 1, REQ_OP_WRITE | flags, GFP_KERNEL);
+ fscrypt_set_bio_crypt_ctx(bio, inode, pos >> inode->i_blkbits,
+ GFP_KERNEL);
bio->bi_iter.bi_sector = iomap_sector(&iter->iomap, pos);
bio->bi_private = dio;
bio->bi_end_io = iomap_dio_bio_end_io;
@@ -308,6 +312,8 @@ static loff_t iomap_dio_bio_iter(const struct iomap_iter *iter,
}
bio = bio_alloc(iomap->bdev, nr_pages, bio_opf, GFP_KERNEL);
+ fscrypt_set_bio_crypt_ctx(bio, inode, pos >> inode->i_blkbits,
+ GFP_KERNEL);
bio->bi_iter.bi_sector = iomap_sector(iomap, pos);
bio->bi_write_hint = dio->iocb->ki_hint;
bio->bi_ioprio = dio->iocb->ki_ioprio;