Elevate the write count during the vfs_rmdir() call.
Signed-off-by: Dave Hansen <[EMAIL PROTECTED]>
Acked-by: Christoph Hellwig <[EMAIL PROTECTED]>
Acked-by: Serge Hallyn <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[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
2008-02-08 13:04:49.000000000 -0800
+++ linux-2.6.git-dave/fs/namei.c 2008-02-08 13:04:49.000000000 -0800
@@ -2187,7 +2187,12 @@ 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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