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Message-Id: <20070917182747.9A3B809F@kernel>
Date: Mon, 17 Sep 2007 11:27:47 -0700
From: Dave Hansen <haveblue@...ibm.com>
To: akpm@...l.org
Cc: linux-kernel@...r.kernel.org, hch@...radead.org,
Dave Hansen <haveblue@...ibm.com>
Subject: [PATCH 22/24] do_rmdir(): elevate write count
Elevate the write count during the vfs_rmdir() call.
Signed-off-by: Dave Hansen <haveblue@...ibm.com>
---
lxc-dave/fs/namei.c | 5 +++++
1 file changed, 5 insertions(+)
diff -puN fs/namei.c~do-rmdir-elevate-write-count fs/namei.c
--- lxc/fs/namei.c~do-rmdir-elevate-write-count 2007-09-17 09:44:09.000000000 -0700
+++ lxc-dave/fs/namei.c 2007-09-17 09:44:09.000000000 -0700
@@ -2173,7 +2173,12 @@ static long do_rmdir(int dfd, const char
error = PTR_ERR(dentry);
if (IS_ERR(dentry))
goto exit2;
+ error = mnt_want_write(nd.mnt);
+ if (error)
+ goto exit3;
error = vfs_rmdir(nd.dentry->d_inode, dentry);
+ mnt_drop_write(nd.mnt);
+exit3:
dput(dentry);
exit2:
mutex_unlock(&nd.dentry->d_inode->i_mutex);
_
-
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