From: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com>
Signed-off-by: Venkateswararao Jujjuri "<jv...@linux.vnet.ibm.com>
---
hw/9pfs/virtio-9p.c | 143 +++++++++++++++-----------------------------------
1 files changed, 43 insertions(+), 100 deletions(-)
diff --git a/hw/9pfs/virtio-9p.c b/hw/9pfs/virtio-9p.c
index e6032cd..2cb406b 100644
--- a/hw/9pfs/virtio-9p.c
+++ b/hw/9pfs/virtio-9p.c
@@ -92,11 +92,6 @@ static int v9fs_do_closedir(V9fsState *s, DIR *dir)
return s->ops->closedir(&s->ctx, dir);
}
-static int v9fs_do_open(V9fsState *s, V9fsString *path, int flags)
-{
- return s->ops->open(&s->ctx, path->data, flags);
-}
-
static DIR *v9fs_do_opendir(V9fsState *s, V9fsString *path)
{
return s->ops->opendir(&s->ctx, path->data);
@@ -211,11 +206,6 @@ static int v9fs_do_fsync(V9fsState *s, int fd, int
datasync)
return s->ops->fsync(&s->ctx, fd, datasync);
}
-static int v9fs_do_statfs(V9fsState *s, V9fsString *path, struct statfs *stbuf)
-{
- return s->ops->statfs(&s->ctx, path->data, stbuf);
-}
-
static int v9fs_do_lsetxattr(V9fsState *s, V9fsString *path,
V9fsString *xattr_name,
void *value, size_t size, int flags)
@@ -1547,122 +1537,75 @@ static int32_t get_iounit(V9fsState *s, V9fsString
*name)
* iounit should be multiples of f_bsize (host filesystem block size
* and as well as less than (client msize - P9_IOHDRSZ))
*/
- if (!v9fs_do_statfs(s, name, &stbuf)) {
+ if (!v9fs_co_statfs(s, name, &stbuf)) {
iounit = stbuf.f_bsize;
iounit *= (s->msize - P9_IOHDRSZ)/stbuf.f_bsize;
}
-
if (!iounit) {
iounit = s->msize - P9_IOHDRSZ;
}
return iounit;
}
-static void v9fs_open_post_opendir(V9fsState *s, V9fsOpenState *vs, int err)
-{
- if (vs->fidp->fs.dir == NULL) {
- err = -errno;
- goto out;
- }
- vs->fidp->fid_type = P9_FID_DIR;
- vs->offset += pdu_marshal(vs->pdu, vs->offset, "Qd", &vs->qid, 0);
- err = vs->offset;
-out:
- complete_pdu(s, vs->pdu, err);
- qemu_free(vs);
-
-}
-
-static void v9fs_open_post_getiounit(V9fsState *s, V9fsOpenState *vs)
+static void v9fs_open(void *opaque)
{
- int err;
- vs->offset += pdu_marshal(vs->pdu, vs->offset, "Qd", &vs->qid, vs->iounit);
- err = vs->offset;
- complete_pdu(s, vs->pdu, err);
- qemu_free(vs);
-}
+ int flags;
+ int iounit;
+ int32_t fid;
+ int32_t mode;
+ V9fsQID qid;
+ ssize_t err = 0;
+ size_t offset = 7;
+ struct stat stbuf;
+ V9fsFidState *fidp;
+ V9fsPDU *pdu = opaque;
+ V9fsState *s = pdu->s;
-static void v9fs_open_post_open(V9fsState *s, V9fsOpenState *vs, int err)
-{
- if (vs->fidp->fs.fd == -1) {
- err = -errno;
+ if (s->proto_version == V9FS_PROTO_2000L) {
+ pdu_unmarshal(pdu, offset, "dd", &fid, &mode);
+ } else {
+ pdu_unmarshal(pdu, offset, "db", &fid, &mode);
+ }
+ fidp = lookup_fid(s, fid);
+ if (fidp == NULL) {
+ err = -ENOENT;
goto out;
}
- vs->fidp->fid_type = P9_FID_FILE;
- vs->iounit = get_iounit(s, &vs->fidp->path);
- v9fs_open_post_getiounit(s, vs);
- return;
-out:
- complete_pdu(s, vs->pdu, err);
- qemu_free(vs);
-}
-
-static void v9fs_open_post_lstat(V9fsState *s, V9fsOpenState *vs, int err)
-{
- int flags;
+ BUG_ON(fidp->fid_type != P9_FID_NONE);
- if (err) {
- err = -errno;
+ err = v9fs_co_lstat(s, &fidp->path, &stbuf);
+ if (err < 0) {
goto out;
}
-
- stat_to_qid(&vs->stbuf, &vs->qid);
-
- if (S_ISDIR(vs->stbuf.st_mode)) {
- vs->fidp->fs.dir = v9fs_do_opendir(s, &vs->fidp->path);
- v9fs_open_post_opendir(s, vs, err);
+ stat_to_qid(&stbuf, &qid);
+ if (S_ISDIR(stbuf.st_mode)) {
+ err = v9fs_co_opendir(s, fidp);
+ if (err < 0) {
+ goto out;
+ }
+ fidp->fid_type = P9_FID_DIR;
+ offset += pdu_marshal(pdu, offset, "Qd", &qid, 0);
+ err = offset;
} else {
if (s->proto_version == V9FS_PROTO_2000L) {
- flags = vs->mode;
+ flags = mode;
flags &= ~(O_NOCTTY | O_ASYNC | O_CREAT);
/* Ignore direct disk access hint until the server supports it. */
flags &= ~O_DIRECT;
} else {
- flags = omode_to_uflags(vs->mode);
+ flags = omode_to_uflags(mode);
}
- vs->fidp->fs.fd = v9fs_do_open(s, &vs->fidp->path, flags);
- v9fs_open_post_open(s, vs, err);
- }
- return;
-out:
- complete_pdu(s, vs->pdu, err);
- qemu_free(vs);
-}
-
-static void v9fs_open(void *opaque)
-{
- V9fsPDU *pdu = opaque;
- V9fsState *s = pdu->s;
- int32_t fid;
- V9fsOpenState *vs;
- ssize_t err = 0;
-
- vs = qemu_malloc(sizeof(*vs));
- vs->pdu = pdu;
- vs->offset = 7;
- vs->mode = 0;
-
- if (s->proto_version == V9FS_PROTO_2000L) {
- pdu_unmarshal(vs->pdu, vs->offset, "dd", &fid, &vs->mode);
- } else {
- pdu_unmarshal(vs->pdu, vs->offset, "db", &fid, &vs->mode);
- }
-
- vs->fidp = lookup_fid(s, fid);
- if (vs->fidp == NULL) {
- err = -ENOENT;
- goto out;
+ err = v9fs_co_open(s, fidp, flags);
+ if (err < 0) {
+ goto out;
+ }
+ fidp->fid_type = P9_FID_FILE;
+ iounit = get_iounit(s, &fidp->path);
+ offset += pdu_marshal(pdu, offset, "Qd", &qid, iounit);
+ err = offset;
}
-
- BUG_ON(vs->fidp->fid_type != P9_FID_NONE);
-
- err = v9fs_do_lstat(s, &vs->fidp->path, &vs->stbuf);
-
- v9fs_open_post_lstat(s, vs, err);
- return;
out:
complete_pdu(s, pdu, err);
- qemu_free(vs);
}
static void v9fs_post_lcreate(V9fsState *s, V9fsLcreateState *vs, int err)
--
1.7.1
