hw/9pfs: Move fid pathname tracking to seperate data type.

This enables us to add handles to track fids later. The
V9fsPath added is similar to V9fsString except that the
size include the NULL byte also.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>

1 files changed, 11 insertions, 9 deletions

diff --git a/hw/9pfs/codir.c b/hw/9pfs/codir.c
index c9a88ecb60..2c50df84c3 100644
--- a/hw/9pfs/codir.c
+++ b/hw/9pfs/codir.c
@@ -70,29 +70,31 @@ int v9fs_co_mkdir(V9fsState *s, V9fsFidState *fidp, V9fsString *name,
 {
     int err;
     FsCred cred;
-    V9fsString fullname;
+    V9fsPath path;
 
     cred_init(&cred);
     cred.fc_mode = mode;
     cred.fc_uid = uid;
     cred.fc_gid = gid;
-    v9fs_string_init(&fullname);
     qemu_co_rwlock_rdlock(&s->rename_lock);
-    v9fs_string_sprintf(&fullname, "%s/%s", fidp->path.data, name->data);
     v9fs_co_run_in_worker(
         {
-            err = s->ops->mkdir(&s->ctx, fullname.data, &cred);
+            err = s->ops->mkdir(&s->ctx, &fidp->path, name->data,  &cred);
             if (err < 0) {
                 err = -errno;
             } else {
-                err = s->ops->lstat(&s->ctx, fullname.data, stbuf);
-                if (err < 0) {
-                    err = -errno;
+                v9fs_path_init(&path);
+                err = v9fs_name_to_path(s, &fidp->path, name->data, &path);
+                if (!err) {
+                    err = s->ops->lstat(&s->ctx, &path, stbuf);
+                    if (err < 0) {
+                        err = -errno;
+                    }
                 }
+                v9fs_path_free(&path);
             }
         });
     qemu_co_rwlock_unlock(&s->rename_lock);
-    v9fs_string_free(&fullname);
     return err;
 }
 
@@ -103,7 +105,7 @@ int v9fs_co_opendir(V9fsState *s, V9fsFidState *fidp)
     qemu_co_rwlock_rdlock(&s->rename_lock);
     v9fs_co_run_in_worker(
         {
-            fidp->fs.dir = s->ops->opendir(&s->ctx, fidp->path.data);
+            fidp->fs.dir = s->ops->opendir(&s->ctx, &fidp->path);
             if (!fidp->fs.dir) {
                 err = -errno;
             } else {