kernel: vfs_lookup: Try looking up in mountlist

Signed-off-by: Ian Moffett <ian@osmora.org>

1 files changed, 9 insertions, 1 deletions

diff --git a/sys/kern/vfs_lookup.c b/sys/kern/vfs_lookup.c
index 3153444..ea73d1a 100644
--- a/sys/kern/vfs_lookup.c
+++ b/sys/kern/vfs_lookup.c
@@ -129,6 +129,7 @@ int
 vfs_path_to_node(const char *path, struct vnode **vp)
 {
     struct vnode *vnode = g_root_vnode;
+    struct mount *mp;
     struct fs_info *fs;
     char *name;
     int s = 0, fs_caps = 0;
@@ -139,6 +140,13 @@ vfs_path_to_node(const char *path, struct vnode **vp)
         return -EINVAL;
     }
 
+    /* See if we have a mountpoint with this name */
+    name = vfs_get_fname_at(path, 0);
+    if (vfs_get_mp(name, &mp) == 0) {
+        fs = mp->fs;
+        vnode = fs->vnode;
+    }
+
     /* Fetch filesystem capabilities if we can */
     if (vnode->fs != NULL) {
         fs = vnode->fs;
@@ -151,7 +159,7 @@ vfs_path_to_node(const char *path, struct vnode **vp)
      * it'll give us a vnode.
      */
     if (__TEST(fs_caps, FSCAP_FULLPATH)) {
-        s = vfs_vget(g_root_vnode, path, &vnode);
+        s = vfs_vget(vnode, path, &vnode);
         goto done;
     }