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Date: Sun, 21 Oct 2007 19:51:18 -0400 From: Erez Zadok <ezk@...sunysb.edu> To: akpm@...ux-foundation.org Cc: linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org, viro@....linux.org.uk, hch@...radead.org, Erez Zadok <ezk@...sunysb.edu> Subject: [PATCH 5/9] Unionfs: don't bother validating dentry if it has no lower branches Signed-off-by: Erez Zadok <ezk@...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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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