[PATCH 6/6] locks: break delegations on link

["J. Bruce Fields" <bfields-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>]

From: "J. Bruce Fields" <bfields-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>

Signed-off-by: J. Bruce Fields <bfields-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
---
 fs/namei.c |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/fs/namei.c b/fs/namei.c
index 1e0c383..b8f3cbd 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2920,8 +2920,11 @@ int vfs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *new_de
 	/* Make sure we don't allow creating hardlink to an unlinked file */
 	if (inode->i_nlink == 0)
 		error =  -ENOENT;
-	else
-		error = dir->i_op->link(old_dentry, dir, new_dentry);
+	else {
+		error = break_lease(inode, BREAK_ONLY_DELEGS|BREAK_R_AND_W_LEASES);
+		if (!error)
+			error = dir->i_op->link(old_dentry, dir, new_dentry);
+	}
 	mutex_unlock(&inode->i_mutex);
 	if (!error)
 		fsnotify_link(dir, inode, new_dentry);
-- 
1.7.5.4

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