From 35bec4b6bcfe42795e7f7805c0a4430f90c95b2a Mon Sep 17 00:00:00 2001 From: Erez Zadok Date: Thu, 1 Nov 2007 00:41:03 -0400 Subject: [PATCH] Unionfs: don't bother validating inode if it has no lower branches Signed-off-by: Erez Zadok --- fs/unionfs/debug.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/fs/unionfs/debug.c b/fs/unionfs/debug.c index 894bf7cecc0..0066ccd9ec7 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))) { -- 2.43.0