fs/9p: Implement POSIX ACL permission checking function

[net-next-2.6.git] / fs / 9p / xattr.c

diff --git a/fs/9p/xattr.c b/fs/9p/xattr.c
index f88e5c2dc8730bce3548c9c550b1d8480bcfbeb6..67ac6cfc1a0778d3346b663fc1138c161d8afd9f 100644 (file)
--- a/fs/9p/xattr.c
+++ b/fs/9p/xattr.c
@@ -21,30 +21,13 @@
 #include "fid.h"
 #include "xattr.h"
 
-/*
- * v9fs_xattr_get()
- *
- * Copy an extended attribute into the buffer
- * provided, or compute the buffer size required.
- * Buffer is NULL to compute the size of the buffer required.
- *
- * Returns a negative error number on failure, or the number of bytes
- * used / required on success.
- */
-ssize_t v9fs_xattr_get(struct dentry *dentry, const char *name,
-                      void *buffer, size_t buffer_size)
+ssize_t v9fs_fid_xattr_get(struct p9_fid *fid, const char *name,
+                          void *buffer, size_t buffer_size)
 {
        ssize_t retval;
        int msize, read_count;
        u64 offset = 0, attr_size;
-       struct p9_fid *fid, *attr_fid;
-
-       P9_DPRINTK(P9_DEBUG_VFS, "%s: name = %s value_len = %zu\n",
-               __func__, name, buffer_size);
-
-       fid = v9fs_fid_lookup(dentry);
-       if (IS_ERR(fid))
-               return PTR_ERR(fid);
+       struct p9_fid *attr_fid;
 
        attr_fid = p9_client_xattrwalk(fid, name, &attr_size);
        if (IS_ERR(attr_fid)) {
@@ -88,6 +71,31 @@ error:
 
 }
 
+
+/*
+ * v9fs_xattr_get()
+ *
+ * Copy an extended attribute into the buffer
+ * provided, or compute the buffer size required.
+ * Buffer is NULL to compute the size of the buffer required.
+ *
+ * Returns a negative error number on failure, or the number of bytes
+ * used / required on success.
+ */
+ssize_t v9fs_xattr_get(struct dentry *dentry, const char *name,
+                      void *buffer, size_t buffer_size)
+{
+       struct p9_fid *fid;
+
+       P9_DPRINTK(P9_DEBUG_VFS, "%s: name = %s value_len = %zu\n",
+               __func__, name, buffer_size);
+       fid = v9fs_fid_lookup(dentry);
+       if (IS_ERR(fid))
+               return PTR_ERR(fid);
+
+       return v9fs_fid_xattr_get(fid, name, buffer, buffer_size);
+}
+
 /*
  * v9fs_xattr_set()
  *