diff options
author | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2011-05-07 18:29:24 +0530 |
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committer | Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> | 2011-08-22 09:22:37 +0530 |
commit | d8e0c29e407284f90c6cfb25fb03733347618eec (patch) | |
tree | ba82e53decd4328c795f7c83b30d53388d85b9de /hw/9pfs | |
parent | 36f8981f0104520d0b5d964ca55d4bb56c33919a (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.c | 62 |
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) |