diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/block_dev.c | 3 | ||||
| -rw-r--r-- | fs/buffer.c | 2 | ||||
| -rw-r--r-- | fs/crypto/keyinfo.c | 3 | ||||
| -rw-r--r-- | fs/crypto/policy.c | 5 |
4 files changed, 11 insertions, 2 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index 6254cee..5db5d13 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -328,6 +328,7 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages) struct file *file = iocb->ki_filp; struct inode *inode = bdev_file_inode(file); struct block_device *bdev = I_BDEV(inode); + struct blk_plug plug; struct blkdev_dio *dio; struct bio *bio; bool is_read = (iov_iter_rw(iter) == READ); @@ -353,6 +354,7 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages) dio->multi_bio = false; dio->should_dirty = is_read && (iter->type == ITER_IOVEC); + blk_start_plug(&plug); for (;;) { bio->bi_bdev = bdev; bio->bi_iter.bi_sector = pos >> 9; @@ -394,6 +396,7 @@ __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages) submit_bio(bio); bio = bio_alloc(GFP_KERNEL, nr_pages); } + blk_finish_plug(&plug); if (!dio->is_sync) return -EIOCBQUEUED; diff --git a/fs/buffer.c b/fs/buffer.c index d21771f..0e87401 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -1660,7 +1660,7 @@ void clean_bdev_aliases(struct block_device *bdev, sector_t block, sector_t len) head = page_buffers(page); bh = head; do { - if (!buffer_mapped(bh)) + if (!buffer_mapped(bh) || (bh->b_blocknr < block)) goto next; if (bh->b_blocknr >= block + len) break; diff --git a/fs/crypto/keyinfo.c b/fs/crypto/keyinfo.c index 6eeea1d..95cd4c3 100644 --- a/fs/crypto/keyinfo.c +++ b/fs/crypto/keyinfo.c @@ -248,7 +248,8 @@ retry: goto out; if (fscrypt_dummy_context_enabled(inode)) { - memset(raw_key, 0x42, FS_AES_256_XTS_KEY_SIZE); + memset(raw_key, 0x42, keysize/2); + memset(raw_key+keysize/2, 0x24, keysize - (keysize/2)); goto got_key; } diff --git a/fs/crypto/policy.c b/fs/crypto/policy.c index 6ed7c2e..d6cd7ea 100644 --- a/fs/crypto/policy.c +++ b/fs/crypto/policy.c @@ -179,6 +179,11 @@ int fscrypt_has_permitted_context(struct inode *parent, struct inode *child) BUG_ON(1); } + /* No restrictions on file types which are never encrypted */ + if (!S_ISREG(child->i_mode) && !S_ISDIR(child->i_mode) && + !S_ISLNK(child->i_mode)) + return 1; + /* no restrictions if the parent directory is not encrypted */ if (!parent->i_sb->s_cop->is_encrypted(parent)) return 1; |
