From: Erez Zadok <ezk@cs.sunysb.edu>
To: akpm@linux-foundation.org
Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
viro@ftp.linux.org.uk, hch@infradead.org,
Erez Zadok <ezk@cs.sunysb.edu>
Subject: [PATCH 5/9] Unionfs: don't bother validating dentry if it has no lower branches
Date: Sun, 21 Oct 2007 19:51:18 -0400 [thread overview]
Message-ID: <11930106852087-git-send-email-ezk@cs.sunysb.edu> (raw)
In-Reply-To: <11930106823372-git-send-email-ezk@cs.sunysb.edu>
Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
---
fs/unionfs/debug.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/fs/unionfs/debug.c b/fs/unionfs/debug.c
index 68692d7..894bf7c 100644
--- a/fs/unionfs/debug.c
+++ b/fs/unionfs/debug.c
@@ -132,6 +132,9 @@ void __unionfs_check_dentry(const struct dentry *dentry,
inode = dentry->d_inode;
dstart = dbstart(dentry);
dend = dbend(dentry);
+ /* don't check dentry/mnt if no lower branches */
+ if (dstart < 0 && dend < 0)
+ goto check_inode;
BUG_ON(dstart > dend);
if (unlikely((dstart == -1 && dend != -1) ||
@@ -212,6 +215,7 @@ void __unionfs_check_dentry(const struct dentry *dentry,
}
}
+check_inode:
/* for inodes now */
if (!inode)
return;
--
1.5.2.2
next prev parent reply other threads:[~2007-10-21 23:51 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-21 23:51 [GIT PULL -mm] 0/9 Unionfs updates/cleanups/fixes Erez Zadok
2007-10-21 23:51 ` [PATCH 1/9] Unionfs: security convert lsm into a static interface fix Erez Zadok
2007-10-22 8:22 ` Christoph Hellwig
2007-10-23 0:48 ` Erez Zadok
2007-10-23 9:07 ` Christoph Hellwig
2007-10-27 23:01 ` Erez Zadok
2007-10-21 23:51 ` [PATCH 2/9] Unionfs: slab api remove useless ctor parameter and reorder parameters Erez Zadok
2007-10-21 23:51 ` [PATCH 3/9] Unionfs: support lower filesystems without writeback capability Erez Zadok
2007-10-21 23:51 ` [PATCH 4/9] Unionfs: don't printk trivial message upon normal rename-copyup Erez Zadok
2007-10-21 23:51 ` Erez Zadok [this message]
2007-10-21 23:51 ` [PATCH 6/9] Unionfs: convert a printk to pr_debug in release Erez Zadok
2007-10-21 23:51 ` [PATCH 7/9] Unionfs: remove for_writepages nfs workaround Erez Zadok
2007-10-21 23:51 ` [PATCH 8/9] Unionfs: fix unionfs_setattr to handle ATTR_KILL_S*ID Erez Zadok
2007-10-21 23:51 ` [PATCH 9/9] Unionfs: remove obsolete #define and comment Erez Zadok
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