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-rw-r--r--fs/libfs.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/libfs.c b/fs/libfs.c
index 88e3e00e2eca..29012a303ef8 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -1075,3 +1075,19 @@ struct inode *alloc_anon_inode(struct super_block *s)
return inode;
}
EXPORT_SYMBOL(alloc_anon_inode);
+
+/**
+ * simple_nosetlease - generic helper for prohibiting leases
+ * @filp: file pointer
+ * @arg: type of lease to obtain
+ * @flp: new lease supplied for insertion
+ *
+ * Generic helper for filesystems that do not wish to allow leases to be set.
+ * All arguments are ignored and it just returns -EINVAL.
+ */
+int
+simple_nosetlease(struct file *filp, long arg, struct file_lock **flp)
+{
+ return -EINVAL;
+}
+EXPORT_SYMBOL(simple_nosetlease);