From: alex <alex>
Date: Sat, 17 Sep 2005 22:48:46 +0000 (+0000)
Subject: - protect i_nlink from concurrent changing
X-Git-Tag: 1.4.10~483
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=4cefbf5f0781ad3d726c85fddfac97f5c53e7ebd;p=fs%2Flustre-release.git

- protect i_nlink from concurrent changing
---

diff --git a/lustre/smfs/dir.c b/lustre/smfs/dir.c
index cc1fa3a..42724c6 100644
--- a/lustre/smfs/dir.c
+++ b/lustre/smfs/dir.c
@@ -656,7 +656,9 @@ static int smfs_rmdir(struct inode *dir, struct dentry *dentry)
                         CWARN("Directory #%lu under rmdir has %i nlinks\n",
                                 inode->i_ino, inode->i_nlink);
                 inode->i_nlink = 0;
+                lock_kernel();
                 dir->i_nlink--;
+                unlock_kernel();
                 post_smfs_inode(dir, cache_dir);
                 post_smfs_inode(inode, cache_inode);
                 //like vfs_rmdir is doing with inode