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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2011-08-22 09:14:04 +0530
committerAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2011-08-22 09:14:04 +0530
commit0c27bf2a45d8b25119f65890d78a71415fbb0911 (patch)
tree1e8e996ab7ce65a64fa306475f62993aca0d0f94 /hw/9pfs
parent03feb1e1724949d94d4e442f865392320139162c (diff)
hw/9pfs: Update v9fs_lock to use coroutines
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Diffstat (limited to 'hw/9pfs')
-rw-r--r--hw/9pfs/virtio-9p.c44
-rw-r--r--hw/9pfs/virtio-9p.h10
2 files changed, 20 insertions, 34 deletions
diff --git a/hw/9pfs/virtio-9p.c b/hw/9pfs/virtio-9p.c
index eb33636565..13e7c30fb6 100644
--- a/hw/9pfs/virtio-9p.c
+++ b/hw/9pfs/virtio-9p.c
@@ -3006,47 +3006,43 @@ out:
* do any thing in * qemu 9p server side lock code path.
* So when a TLOCK request comes, always return success
*/
-
static void v9fs_lock(void *opaque)
{
+ int8_t status;
+ V9fsFlock *flock;
+ size_t offset = 7;
+ struct stat stbuf;
+ V9fsFidState *fidp;
+ int32_t fid, err = 0;
V9fsPDU *pdu = opaque;
V9fsState *s = pdu->s;
- int32_t fid, err = 0;
- V9fsLockState *vs;
-
- vs = g_malloc0(sizeof(*vs));
- vs->pdu = pdu;
- vs->offset = 7;
-
- vs->flock = g_malloc(sizeof(*vs->flock));
- pdu_unmarshal(vs->pdu, vs->offset, "dbdqqds", &fid, &vs->flock->type,
- &vs->flock->flags, &vs->flock->start, &vs->flock->length,
- &vs->flock->proc_id, &vs->flock->client_id);
- vs->status = P9_LOCK_ERROR;
+ flock = g_malloc(sizeof(*flock));
+ pdu_unmarshal(pdu, offset, "dbdqqds", &fid, &flock->type,
+ &flock->flags, &flock->start, &flock->length,
+ &flock->proc_id, &flock->client_id);
+ status = P9_LOCK_ERROR;
/* We support only block flag now (that too ignored currently) */
- if (vs->flock->flags & ~P9_LOCK_FLAGS_BLOCK) {
+ if (flock->flags & ~P9_LOCK_FLAGS_BLOCK) {
err = -EINVAL;
goto out;
}
- vs->fidp = lookup_fid(s, fid);
- if (vs->fidp == NULL) {
+ fidp = lookup_fid(s, fid);
+ if (fidp == NULL) {
err = -ENOENT;
goto out;
}
-
- err = v9fs_do_fstat(s, vs->fidp->fs.fd, &vs->stbuf);
+ err = v9fs_co_fstat(s, fidp->fs.fd, &stbuf);
if (err < 0) {
- err = -errno;
goto out;
}
- vs->status = P9_LOCK_SUCCESS;
+ status = P9_LOCK_SUCCESS;
out:
- vs->offset += pdu_marshal(vs->pdu, vs->offset, "b", vs->status);
- complete_pdu(s, vs->pdu, err);
- g_free(vs->flock);
- g_free(vs);
+ err = offset;
+ err += pdu_marshal(pdu, offset, "b", status);
+ complete_pdu(s, pdu, err);
+ g_free(flock);
}
/*
diff --git a/hw/9pfs/virtio-9p.h b/hw/9pfs/virtio-9p.h
index 46d79da920..0c1e3ee267 100644
--- a/hw/9pfs/virtio-9p.h
+++ b/hw/9pfs/virtio-9p.h
@@ -403,16 +403,6 @@ typedef struct V9fsFlock
V9fsString client_id;
} V9fsFlock;
-typedef struct V9fsLockState
-{
- V9fsPDU *pdu;
- size_t offset;
- int8_t status;
- struct stat stbuf;
- V9fsFidState *fidp;
- V9fsFlock *flock;
-} V9fsLockState;
-
typedef struct V9fsGetlock
{
uint8_t type;