patch-2.4.15 linux/drivers/md/lvm-internal.h

• Lines: 102
• Date: Sun Nov 11 10:09:32 2001
• Orig file: v2.4.14/linux/drivers/md/lvm-internal.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.14/linux/drivers/md/lvm-internal.h linux/drivers/md/lvm-internal.h
@@ -0,0 +1,101 @@
+/*
+ * kernel/lvm-internal.h
+ *
+ * Copyright (C) 2001 Sistina Software
+ *
+ *
+ * LVM driver is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * LVM driver is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with GNU CC; see the file COPYING.  If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ */
+
+/*
+ * Changelog
+ *
+ *    05/01/2001:Joe Thornber - Factored this file out of lvm.c
+ *
+ */
+
+#ifndef LVM_INTERNAL_H
+#define LVM_INTERNAL_H
+
+#include <linux/lvm.h>
+
+#define _LVM_INTERNAL_H_VERSION "LVM "LVM_RELEASE_NAME" ("LVM_RELEASE_DATE")"
+
+/* global variables, defined in lvm.c */
+extern char *lvm_version;
+extern ushort lvm_iop_version;
+extern int loadtime;
+extern const char *const lvm_name;
+
+
+extern vg_t *vg[];
+extern struct file_operations lvm_chr_fops;
+
+extern struct block_device_operations lvm_blk_dops;
+
+
+/* debug macros */
+#ifdef DEBUG_IOCTL
+#define P_IOCTL(fmt, args...) printk(KERN_DEBUG "lvm ioctl: " fmt, ## args)
+#else
+#define P_IOCTL(fmt, args...)
+#endif
+
+#ifdef DEBUG_MAP
+#define P_MAP(fmt, args...) printk(KERN_DEBUG "lvm map: " fmt, ## args)
+#else
+#define P_MAP(fmt, args...)
+#endif
+
+#ifdef DEBUG_KFREE
+#define P_KFREE(fmt, args...) printk(KERN_DEBUG "lvm kfree: " fmt, ## args)
+#else
+#define P_KFREE(fmt, args...)
+#endif
+
+#ifdef DEBUG_DEVICE
+#define P_DEV(fmt, args...) printk(KERN_DEBUG "lvm device: " fmt, ## args)
+#else
+#define P_DEV(fmt, args...)
+#endif
+
+
+/* lvm-snap.c */
+int lvm_get_blksize(kdev_t);
+int lvm_snapshot_alloc(lv_t *);
+int lvm_snapshot_fill_COW_page(vg_t *, lv_t *);
+int lvm_snapshot_COW(kdev_t, ulong, ulong, ulong, vg_t *vg, lv_t *);
+int lvm_snapshot_remap_block(kdev_t *, ulong *, ulong, lv_t *);
+void lvm_snapshot_release(lv_t *);
+int lvm_write_COW_table_block(vg_t *, lv_t *);
+void lvm_hash_link(lv_block_exception_t *, kdev_t, ulong, lv_t *);
+int lvm_snapshot_alloc_hash_table(lv_t *);
+void lvm_drop_snapshot(vg_t *vg, lv_t *, const char *);
+
+
+/* lvm_fs.c */
+void lvm_init_fs(void);
+void lvm_fin_fs(void);
+
+void lvm_fs_create_vg(vg_t *vg_ptr);
+void lvm_fs_remove_vg(vg_t *vg_ptr);
+devfs_handle_t lvm_fs_create_lv(vg_t *vg_ptr, lv_t *lv);
+void lvm_fs_remove_lv(vg_t *vg_ptr, lv_t *lv);
+void lvm_fs_create_pv(vg_t *vg_ptr, pv_t *pv);
+void lvm_fs_remove_pv(vg_t *vg_ptr, pv_t *pv);
+
+#endif