fs/fuse/ioctl.c

74 static int fuse_verify_ioctl_iov(struct fuse_conn *fc, struct iovec *iov,
80 	for (n = 0; n < count; n++, iov++) {
81 		if (iov->iov_len > (size_t) max)
83 		max -= iov->iov_len;
123 /* For fs-verity, determine iov lengths from input */
124 static int fuse_setup_measure_verity(unsigned long arg, struct iovec *iov)
135 	iov->iov_len = sizeof(struct fsverity_digest) + digest_size;
140 static int fuse_setup_enable_verity(unsigned long arg, struct iovec *iov,
154 		iov++;
157 		iov->iov_base = u64_to_user_ptr(enable.salt_ptr);
158 		iov->iov_len = enable.salt_size;
162 		iov++;
165 		iov->iov_base = u64_to_user_ptr(enable.sig_ptr);
166 		iov->iov_len = enable.sig_size;
190  * the actual iov array to
197  * it sets FUSE_IOCTL_RETRY, out->in_iovs to 2 and iov array to
266 		struct iovec *iov = iov_page;
268 		iov->iov_base = (void __user *)arg;
269 		iov->iov_len = _IOC_SIZE(cmd);
272 			in_iov = iov;
277 			out_iov = iov;
284 			err = fuse_setup_measure_verity(arg, iov);
287 			err = fuse_setup_enable_verity(arg, iov, &in_iovs);