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authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2011-05-07 18:29:24 +0530
committerAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>2011-08-22 09:22:37 +0530
commitd8e0c29e407284f90c6cfb25fb03733347618eec (patch)
treeba82e53decd4328c795f7c83b30d53388d85b9de /hw/9pfs
parent36f8981f0104520d0b5d964ca55d4bb56c33919a (diff)
hw/9pfs: Update v9fs_stat 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.c62
1 files changed, 21 insertions, 41 deletions
diff --git a/hw/9pfs/virtio-9p.c b/hw/9pfs/virtio-9p.c
index d382493b9c..911d019e36 100644
--- a/hw/9pfs/virtio-9p.c
+++ b/hw/9pfs/virtio-9p.c
@@ -1169,56 +1169,36 @@ out:
v9fs_string_free(&aname);
}
-static void v9fs_stat_post_lstat(V9fsState *s, V9fsStatState *vs, int err)
-{
- if (err == -1) {
- err = -errno;
- goto out;
- }
-
- err = stat_to_v9stat(s, &vs->fidp->path, &vs->stbuf, &vs->v9stat);
- if (err) {
- goto out;
- }
- vs->offset += pdu_marshal(vs->pdu, vs->offset, "wS", 0, &vs->v9stat);
- err = vs->offset;
-
-out:
- complete_pdu(s, vs->pdu, err);
- v9fs_stat_free(&vs->v9stat);
- g_free(vs);
-}
-
static void v9fs_stat(void *opaque)
{
- V9fsPDU *pdu = opaque;
- V9fsState *s = pdu->s;
int32_t fid;
- V9fsStatState *vs;
+ V9fsStat v9stat;
ssize_t err = 0;
+ size_t offset = 7;
+ struct stat stbuf;
+ V9fsFidState *fidp;
+ V9fsPDU *pdu = opaque;
+ V9fsState *s = pdu->s;
- vs = g_malloc(sizeof(*vs));
- vs->pdu = pdu;
- vs->offset = 7;
-
- memset(&vs->v9stat, 0, sizeof(vs->v9stat));
-
- pdu_unmarshal(vs->pdu, vs->offset, "d", &fid);
-
- vs->fidp = lookup_fid(s, fid);
- if (vs->fidp == NULL) {
+ pdu_unmarshal(pdu, offset, "d", &fid);
+ fidp = lookup_fid(s, fid);
+ if (fidp == NULL) {
err = -ENOENT;
goto out;
}
-
- err = v9fs_do_lstat(s, &vs->fidp->path, &vs->stbuf);
- v9fs_stat_post_lstat(s, vs, err);
- return;
-
+ err = v9fs_co_lstat(s, &fidp->path, &stbuf);
+ if (err < 0) {
+ goto out;
+ }
+ err = stat_to_v9stat(s, &fidp->path, &stbuf, &v9stat);
+ if (err < 0) {
+ goto out;
+ }
+ offset += pdu_marshal(pdu, offset, "wS", 0, &v9stat);
+ err = offset;
+ v9fs_stat_free(&v9stat);
out:
- complete_pdu(s, vs->pdu, err);
- v9fs_stat_free(&vs->v9stat);
- g_free(vs);
+ complete_pdu(s, pdu, err);
}
static void v9fs_getattr(void *opaque)