commit 12b4da24f092f677c20630a070cb54f2ccf4b824
Author: Erez Zadok <[EMAIL PROTECTED]>
Date: Thu Nov 1 00:41:03 2007 -0400
Unionfs: don't bother validating inode if it has no lower branches
Signed-off-by: Erez Zadok <[EMAIL PROTECTED]>
diff --git a/fs/unionfs/debug.c b/fs/unionfs/debug.c
index 894bf7c..0066ccd 100644
--- a/fs/unionfs/debug.c
+++ b/fs/unionfs/debug.c
@@ -49,6 +49,9 @@ void __unionfs_check_inode(const struct inode *inode,
sb = inode->i_sb;
istart = ibstart(inode);
iend = ibend(inode);
+ /* don't check inode if no lower branches */
+ if (istart < 0 && iend < 0)
+ return;
if (unlikely(istart > iend)) {
PRINT_CALLER(fname, fxn, line);
pr_debug(" Ci0: inode=%p istart/end=%d:%d\n",
@@ -221,6 +224,9 @@ check_inode:
return;
istart = ibstart(inode);
iend = ibend(inode);
+ /* don't check inode if no lower branches */
+ if (istart < 0 && iend < 0)
+ return;
BUG_ON(istart > iend);
if (unlikely((istart == -1 && iend != -1) ||
(istart != -1 && iend == -1))) {
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