/*
* resize2fs.h --- ext2 resizer header file
*
- * Copyright (C) 1997 Theodore Ts'o
- *
+ * Copyright (C) 1997, 1998 by Theodore Ts'o and
+ * PowerQuest, Inc.
+ *
+ * Copyright (C) 1999, 2000 by Theodore Ts'o
+ *
* %Begin-Header%
- * All rights reserved.
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
* %End-Header%
*/
#include <stdio.h>
#include <string.h>
+#ifdef HAVE_UNISTD_H
#include <unistd.h>
+#endif
#include <stdlib.h>
+#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
-
-#ifdef HAVE_LINUX_FS_H
-#include <linux/fs.h>
#endif
-#include <linux/ext2_fs.h>
+#if HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#if EXT2_FLAT_INCLUDES
+#include "ext2_fs.h"
+#include "ext2fs.h"
+#include "e2p.h"
+#else
+#include "ext2fs/ext2_fs.h"
#include "ext2fs/ext2fs.h"
-#include "ext2fs/brel.h"
-#include "banalysis.h"
+#include "e2p/e2p.h"
+#endif
-#ifdef __STDC__
-#define NOARGS void
+#ifdef ENABLE_NLS
+#include <libintl.h>
+#include <locale.h>
+#define _(a) (gettext (a))
+#ifdef gettext_noop
+#define N_(a) gettext_noop (a)
+#else
+#define N_(a) (a)
+#endif
+#ifndef NLS_CAT_NAME
+#define NLS_CAT_NAME "e2fsprogs"
+#endif
+#ifndef LOCALEDIR
+#define LOCALEDIR "/usr/share/locale"
+#endif
#else
-#define NOARGS
-#define const
+#define _(a) (a)
+#define N_(a) a
#endif
+
+/*
+ * For the extent map
+ */
+typedef struct _ext2_extent *ext2_extent;
+
+/*
+ * For the simple progress meter
+ */
+typedef struct ext2_sim_progress *ext2_sim_progmeter;
+
+/*
+ * Flags for the resizer; most are debugging flags only
+ */
+#define RESIZE_DEBUG_IO 0x0001
+#define RESIZE_DEBUG_BMOVE 0x0002
+#define RESIZE_DEBUG_INODEMAP 0x0004
+#define RESIZE_DEBUG_ITABLEMOVE 0x0008
+#define RESIZE_DEBUG_RTRACK 0x0010
+#define RESIZE_DEBUG_MIN_CALC 0x0020
+
+#define RESIZE_PERCENT_COMPLETE 0x0100
+#define RESIZE_VERBOSE 0x0200
+
+#define RESIZE_ENABLE_64BIT 0x0400
+#define RESIZE_DISABLE_64BIT 0x0800
+
+/*
+ * This structure is used for keeping track of how much resources have
+ * been used for a particular resize2fs pass.
+ */
+struct resource_track {
+ const char *desc;
+ struct timeval time_start;
+ struct timeval user_start;
+ struct timeval system_start;
+ void *brk_start;
+ unsigned long long bytes_read;
+ unsigned long long bytes_written;
+};
+
/*
* The core state structure for the ext2 resizer
*/
+typedef struct ext2_resize_struct *ext2_resize_t;
struct ext2_resize_struct {
ext2_filsys old_fs;
ext2_filsys new_fs;
- ext2_brel block_relocate;
ext2fs_block_bitmap reserve_blocks;
- int needed_blocks;
+ ext2fs_block_bitmap move_blocks;
+ ext2_extent bmap;
+ ext2_extent imap;
+ blk64_t needed_blocks;
+ int flags;
+ char *itable_buf;
+
+ /*
+ * For the block allocator
+ */
+ blk64_t new_blk;
+ int alloc_state;
+
/*
- * This array contains the new location of the inode table for
- * those block groups where it has to be relocated.
+ * For the progress meter
*/
- blk_t *move_itable;
+ errcode_t (*progress)(ext2_resize_t rfs, int pass,
+ unsigned long cur,
+ unsigned long max);
+ void *prog_data;
};
-typedef struct ext2_resize_struct *ext2_resize_t;
+/*
+ * Progress pass numbers...
+ */
+#define E2_RSZ_EXTEND_ITABLE_PASS 1
+#define E2_RSZ_BLOCK_RELOC_PASS 2
+#define E2_RSZ_INODE_SCAN_PASS 3
+#define E2_RSZ_INODE_REF_UPD_PASS 4
+#define E2_RSZ_MOVE_ITABLE_PASS 5
+
/* prototypes */
-extern errcode_t resize_fs(ext2_filsys fs, blk_t new_size);
+extern errcode_t resize_fs(ext2_filsys fs, blk64_t *new_size, int flags,
+ errcode_t (*progress)(ext2_resize_t rfs,
+ int pass, unsigned long cur,
+ unsigned long max));
+
+extern errcode_t adjust_fs_info(ext2_filsys fs, ext2_filsys old_fs,
+ ext2fs_block_bitmap reserve_blocks,
+ blk64_t new_size);
+extern blk64_t calculate_minimum_resize_size(ext2_filsys fs, int flags);
+
+
+/* extent.c */
+extern errcode_t ext2fs_create_extent_table(ext2_extent *ret_extent,
+ __u64 size);
+extern void ext2fs_free_extent_table(ext2_extent extent);
+extern errcode_t ext2fs_add_extent_entry(ext2_extent extent,
+ __u64 old_loc, __u64 new_loc);
+extern __u64 ext2fs_extent_translate(ext2_extent extent, __u64 old_loc);
+extern void ext2fs_extent_dump(ext2_extent extent, FILE *out);
+extern errcode_t ext2fs_iterate_extent(ext2_extent extent, __u64 *old_loc,
+ __u64 *new_loc, __u64 *size);
+
+/* main.c */
+extern char *program_name;
+
+/* online.c */
+extern errcode_t online_resize_fs(ext2_filsys fs, const char *mtpt,
+ blk64_t *new_size, int flags);
+
+/* resource_track.c */
+extern void init_resource_track(struct resource_track *track, const char *desc,
+ io_channel channel);
+extern void print_resource_track(ext2_resize_t rfs,
+ struct resource_track *track,
+ io_channel channel);
+
+/* sim_progress.c */
+extern errcode_t ext2fs_progress_init(ext2_sim_progmeter *ret_prog,
+ const char *label,
+ int labelwidth, int barwidth,
+ __u32 maxdone, int flags);
+extern void ext2fs_progress_update(ext2_sim_progmeter prog,
+ __u32 current);
+extern void ext2fs_progress_close(ext2_sim_progmeter prog);
+
+
projects / thirdparty / e2fsprogs.git / blobdiff