Revision c8969ede
| b/nbd.c | ||
|---|---|---|
| 596 | 596 |
return -serrno; |
| 597 | 597 |
} |
| 598 | 598 |
|
| 599 |
if (flags & NBD_FLAG_READ_ONLY) {
|
|
| 600 |
int read_only = 1; |
|
| 601 |
TRACE("Setting readonly attribute");
|
|
| 602 |
|
|
| 603 |
if (ioctl(fd, BLKROSET, (unsigned long) &read_only) < 0) {
|
|
| 599 |
if (ioctl(fd, NBD_SET_FLAGS, flags) < 0) {
|
|
| 600 |
if (errno == ENOTTY) {
|
|
| 601 |
int read_only = (flags & NBD_FLAG_READ_ONLY) != 0; |
|
| 602 |
TRACE("Setting readonly attribute");
|
|
| 603 |
|
|
| 604 |
if (ioctl(fd, BLKROSET, (unsigned long) &read_only) < 0) {
|
|
| 605 |
int serrno = errno; |
|
| 606 |
LOG("Failed setting read-only attribute");
|
|
| 607 |
return -serrno; |
|
| 608 |
} |
|
| 609 |
} else {
|
|
| 604 | 610 |
int serrno = errno; |
| 605 |
LOG("Failed setting read-only attribute");
|
|
| 611 |
LOG("Failed setting flags");
|
|
| 606 | 612 |
return -serrno; |
| 607 | 613 |
} |
| 608 | 614 |
} |
| 609 | 615 |
|
| 610 |
if (ioctl(fd, NBD_SET_FLAGS, flags) < 0 |
|
| 611 |
&& errno != ENOTTY) {
|
|
| 612 |
int serrno = errno; |
|
| 613 |
LOG("Failed setting flags");
|
|
| 614 |
return -serrno; |
|
| 615 |
} |
|
| 616 |
|
|
| 617 | 616 |
TRACE("Negotiation ended");
|
| 618 | 617 |
|
| 619 | 618 |
return 0; |
Also available in: Unified diff