diff options
Diffstat (limited to 'fs/afs/file.c')
| -rw-r--r-- | fs/afs/file.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/fs/afs/file.c b/fs/afs/file.c index 6688fff14b0b..4c8d786b53e0 100644 --- a/fs/afs/file.c +++ b/fs/afs/file.c @@ -24,12 +24,13 @@ static void afs_invalidatepage(struct page *page, unsigned int offset, static int afs_releasepage(struct page *page, gfp_t gfp_flags); static void afs_readahead(struct readahead_control *ractl); +static ssize_t afs_file_read_iter(struct kiocb *iocb, struct iov_iter *iter); const struct file_operations afs_file_operations = { .open = afs_open, .release = afs_release, .llseek = generic_file_llseek, - .read_iter = generic_file_read_iter, + .read_iter = afs_file_read_iter, .write_iter = afs_file_write, .mmap = afs_file_mmap, .splice_read = generic_file_splice_read, @@ -503,3 +504,16 @@ static int afs_file_mmap(struct file *file, struct vm_area_struct *vma) vma->vm_ops = &afs_vm_ops; return ret; } + +static ssize_t afs_file_read_iter(struct kiocb *iocb, struct iov_iter *iter) +{ + struct afs_vnode *vnode = AFS_FS_I(file_inode(iocb->ki_filp)); + struct afs_file *af = iocb->ki_filp->private_data; + int ret; + + ret = afs_validate(vnode, af->key); + if (ret < 0) + return ret; + + return generic_file_read_iter(iocb, iter); +} |