Revision df0973a4
| b/hw/virtio-9p-debug.c | ||
|---|---|---|
| 502 | 502 |
fprintf(llogfile, "RMKNOD: )"); |
| 503 | 503 |
pprint_qid(pdu, 0, &offset, "qid"); |
| 504 | 504 |
break; |
| 505 |
case P9_TREADLINK: |
|
| 506 |
fprintf(llogfile, "TREADLINK: (");
|
|
| 507 |
pprint_int32(pdu, 0, &offset, "fid"); |
|
| 508 |
break; |
|
| 509 |
case P9_RREADLINK: |
|
| 510 |
fprintf(llogfile, "RREADLINK: (");
|
|
| 511 |
pprint_str(pdu, 0, &offset, "target"); |
|
| 512 |
break; |
|
| 505 | 513 |
case P9_TREAD: |
| 506 | 514 |
fprintf(llogfile, "TREAD: (");
|
| 507 | 515 |
pprint_int32(pdu, 0, &offset, "fid"); |
| b/hw/virtio-9p.c | ||
|---|---|---|
| 3520 | 3520 |
qemu_free(vs); |
| 3521 | 3521 |
} |
| 3522 | 3522 |
|
| 3523 |
static void v9fs_readlink_post_readlink(V9fsState *s, V9fsReadLinkState *vs, |
|
| 3524 |
int err) |
|
| 3525 |
{
|
|
| 3526 |
if (err < 0) {
|
|
| 3527 |
err = -errno; |
|
| 3528 |
goto out; |
|
| 3529 |
} |
|
| 3530 |
vs->offset += pdu_marshal(vs->pdu, vs->offset, "s", &vs->target); |
|
| 3531 |
err = vs->offset; |
|
| 3532 |
out: |
|
| 3533 |
complete_pdu(s, vs->pdu, err); |
|
| 3534 |
v9fs_string_free(&vs->target); |
|
| 3535 |
qemu_free(vs); |
|
| 3536 |
} |
|
| 3537 |
|
|
| 3538 |
static void v9fs_readlink(V9fsState *s, V9fsPDU *pdu) |
|
| 3539 |
{
|
|
| 3540 |
int32_t fid; |
|
| 3541 |
V9fsReadLinkState *vs; |
|
| 3542 |
int err = 0; |
|
| 3543 |
V9fsFidState *fidp; |
|
| 3544 |
|
|
| 3545 |
vs = qemu_malloc(sizeof(*vs)); |
|
| 3546 |
vs->pdu = pdu; |
|
| 3547 |
vs->offset = 7; |
|
| 3548 |
|
|
| 3549 |
pdu_unmarshal(vs->pdu, vs->offset, "d", &fid); |
|
| 3550 |
|
|
| 3551 |
fidp = lookup_fid(s, fid); |
|
| 3552 |
if (fidp == NULL) {
|
|
| 3553 |
err = -ENOENT; |
|
| 3554 |
goto out; |
|
| 3555 |
} |
|
| 3556 |
|
|
| 3557 |
v9fs_string_init(&vs->target); |
|
| 3558 |
err = v9fs_do_readlink(s, &fidp->path, &vs->target); |
|
| 3559 |
v9fs_readlink_post_readlink(s, vs, err); |
|
| 3560 |
return; |
|
| 3561 |
out: |
|
| 3562 |
complete_pdu(s, vs->pdu, err); |
|
| 3563 |
qemu_free(vs); |
|
| 3564 |
} |
|
| 3565 |
|
|
| 3523 | 3566 |
typedef void (pdu_handler_t)(V9fsState *s, V9fsPDU *pdu); |
| 3524 | 3567 |
|
| 3525 | 3568 |
static pdu_handler_t *pdu_handlers[] = {
|
| ... | ... | |
| 3533 | 3576 |
[P9_TRENAME] = v9fs_rename, |
| 3534 | 3577 |
[P9_TLOCK] = v9fs_lock, |
| 3535 | 3578 |
[P9_TGETLOCK] = v9fs_getlock, |
| 3579 |
[P9_TREADLINK] = v9fs_readlink, |
|
| 3536 | 3580 |
[P9_TMKDIR] = v9fs_mkdir, |
| 3537 | 3581 |
[P9_TVERSION] = v9fs_version, |
| 3538 | 3582 |
[P9_TLOPEN] = v9fs_open, |
| b/hw/virtio-9p.h | ||
|---|---|---|
| 27 | 27 |
P9_RMKNOD, |
| 28 | 28 |
P9_TRENAME = 20, |
| 29 | 29 |
P9_RRENAME, |
| 30 |
P9_TREADLINK = 22, |
|
| 31 |
P9_RREADLINK, |
|
| 30 | 32 |
P9_TGETATTR = 24, |
| 31 | 33 |
P9_RGETATTR, |
| 32 | 34 |
P9_TSETATTR = 26, |
| ... | ... | |
| 486 | 488 |
V9fsGetlock *glock; |
| 487 | 489 |
} V9fsGetlockState; |
| 488 | 490 |
|
| 491 |
typedef struct V9fsReadLinkState |
|
| 492 |
{
|
|
| 493 |
V9fsPDU *pdu; |
|
| 494 |
size_t offset; |
|
| 495 |
V9fsString target; |
|
| 496 |
} V9fsReadLinkState; |
|
| 489 | 497 |
|
| 490 | 498 |
extern size_t pdu_packunpack(void *addr, struct iovec *sg, int sg_count, |
| 491 | 499 |
size_t offset, size_t size, int pack); |
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