diff options
Diffstat (limited to 'fs/bcachefs/fs-io-direct.c')
| -rw-r--r-- | fs/bcachefs/fs-io-direct.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/bcachefs/fs-io-direct.c b/fs/bcachefs/fs-io-direct.c index fdd57c5785c9..e3b219e19e10 100644 --- a/fs/bcachefs/fs-io-direct.c +++ b/fs/bcachefs/fs-io-direct.c @@ -77,6 +77,10 @@ static int bch2_direct_IO_read(struct kiocb *req, struct iov_iter *iter) bch2_inode_opts_get(&opts, c, &inode->ei_inode); + /* bios must be 512 byte aligned: */ + if ((offset|iter->count) & (SECTOR_SIZE - 1)) + return -EINVAL; + ret = min_t(loff_t, iter->count, max_t(loff_t, 0, i_size_read(&inode->v) - offset)); |