ocfs2/xattr: Fix a bug in xattr allocation estimation
When we extend one xattr's value to a large size, the old value size might
be smaller than the size of a value root. In those cases, we still need to
guess the metadata allocation.
Reported-by: Tiger Yang <tiger.yang@oracle.com>
Signed-off-by: Tao Ma <tao.ma@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 8af29b3..d0b94ed 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -2270,6 +2270,7 @@
value_size);
xv = (struct ocfs2_xattr_value_root *)
(base + name_offset + name_len);
+ value_size = OCFS2_XATTR_ROOT_SIZE;
} else
xv = &def_xv.xv;
@@ -2283,7 +2284,8 @@
&xv->xr_list,
new_clusters -
old_clusters);
- goto out;
+ if (value_size >= OCFS2_XATTR_ROOT_SIZE)
+ goto out;
}
} else {
/*
