patch-1.3.51 linux/fs/noquot.c

• Lines: 80
• Date: Tue Dec 26 06:03:00 1995
• Orig file: v1.3.50/linux/fs/noquot.c
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v1.3.50/linux/fs/noquot.c linux/fs/noquot.c
@@ -0,0 +1,79 @@
+/*
+ *	A Non implementation of disk quotas. Chainsawed from dquot.c by
+ *	Alan Cox <alan@lxorguk.ukuu.org.uk>. This saves us memory without
+ *	having zillions of #ifdefs (Or if it had been done right one
+ *	
+ *	QUOTA_OP(inode,func)
+ *
+ *	macro.)
+ */
+
+#include <linux/errno.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/fcntl.h>
+#include <linux/stat.h>
+#include <linux/tty.h>
+#include <linux/malloc.h>
+#include <linux/mount.h>
+
+#include <asm/segment.h>
+
+#ifndef min
+#define min(a,b) ((a) < (b)) ? (a) : (b)
+#endif
+
+int sync_dquots(kdev_t dev, short type)
+{
+	return(0);
+}
+
+/*
+ * Trash the cache for a certain type on a device.
+ */
+
+void invalidate_dquots(kdev_t dev, short type)
+{
+}
+
+/*
+ * Initialize pointer in a inode to the right dquots.
+ */
+void dquot_initialize(struct inode *inode, short type)
+{
+}
+
+void dquot_drop(struct inode *inode)
+{
+}
+
+void dquot_init(void)
+{
+}
+
+/*
+ * Turn quota off on a device. type == -1 ==> quotaoff for all types (umount)
+ */
+
+int quota_off(kdev_t dev, short type)
+{
+	return(0);
+}
+
+int quota_on(kdev_t dev, short type, char *path)
+{
+	return(-ENOPKG);
+}
+
+/*
+ * Ok this is the systemcall interface, this communicates with
+ * the userlevel programs. Currently this only supports diskquota
+ * calls. Maybe we need to add the process quotas etc in the future.
+ * But we probably better use rlimits for that.
+ */
+asmlinkage int sys_quotactl(int cmd, const char *special, int id, caddr_t addr)
+{
+	return(-ENOPKG);
+}