[CIFS] Migrate from prefixpath logic
Now we point superblock to a server share root and set a root dentry
appropriately. This let us share superblock between mounts like
//server/sharename/foo/bar and //server/sharename/foo further.
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Pavel Shilovsky <piastry@etersoft.ru>
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index 0521492..aa0669a 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -50,7 +50,6 @@
{
struct dentry *temp;
int namelen;
- int pplen;
int dfsplen;
char *full_path;
char dirsep;
@@ -63,13 +62,12 @@
when the server crashed */
dirsep = CIFS_DIR_SEP(cifs_sb);
- pplen = cifs_sb->prepathlen;
if (tcon->Flags & SMB_SHARE_IS_IN_DFS)
dfsplen = strnlen(tcon->treeName, MAX_TREE_SIZE + 1);
else
dfsplen = 0;
cifs_bp_rename_retry:
- namelen = pplen + dfsplen;
+ namelen = dfsplen;
for (temp = direntry; !IS_ROOT(temp);) {
namelen += (1 + temp->d_name.len);
temp = temp->d_parent;
@@ -100,7 +98,7 @@
return NULL;
}
}
- if (namelen != pplen + dfsplen) {
+ if (namelen != dfsplen) {
cERROR(1, "did not end path lookup where expected namelen is %d",
namelen);
/* presumably this is only possible if racing with a rename
@@ -126,7 +124,6 @@
}
}
}
- strncpy(full_path + dfsplen, CIFS_SB(direntry->d_sb)->prepath, pplen);
return full_path;
}