[PATCH 07/27] r-o-bind-mounts-do_rmdir-elevate-write-count

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Elevate the write count during the vfs_rmdir() call.

Signed-off-by: Dave Hansen <[email protected]>
Acked-by: Christoph Hellwig <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Acked-by: Serge Hallyn <[email protected]>

 linux-2.6.git-dave/fs/namei.c |    5 +++++
 1 file changed, 5 insertions(+)

diff -puN fs/namei.c~r-o-bind-mounts-do_rmdir-elevate-write-count fs/namei.c
--- linux-2.6.git/fs/namei.c~r-o-bind-mounts-do_rmdir-elevate-write-count	2007-11-01 14:46:09.000000000 -0700
+++ linux-2.6.git-dave/fs/namei.c	2007-11-01 14:46:09.000000000 -0700
@@ -2174,7 +2174,12 @@ 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);
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