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Diffstat (limited to 'e2fsprogs/ext2fs/bmove.c')
-rw-r--r--e2fsprogs/ext2fs/bmove.c156
1 files changed, 0 insertions, 156 deletions
diff --git a/e2fsprogs/ext2fs/bmove.c b/e2fsprogs/ext2fs/bmove.c
deleted file mode 100644
index 635410d..0000000
--- a/e2fsprogs/ext2fs/bmove.c
+++ /dev/null
@@ -1,156 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * bmove.c --- Move blocks around to make way for a particular
- * filesystem structure.
- *
- * Copyright (C) 1997 Theodore Ts'o. This file may be redistributed
- * under the terms of the GNU Public License.
- */
-
-#include <stdio.h>
-#include <string.h>
-#if HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#if HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-
-#include "ext2_fs.h"
-#include "ext2fsP.h"
-
-struct process_block_struct {
- ext2_ino_t ino;
- struct ext2_inode * inode;
- ext2fs_block_bitmap reserve;
- ext2fs_block_bitmap alloc_map;
- errcode_t error;
- char *buf;
- int add_dir;
- int flags;
-};
-
-static int process_block(ext2_filsys fs, blk_t *block_nr,
- e2_blkcnt_t blockcnt, blk_t ref_block,
- int ref_offset, void *priv_data)
-{
- struct process_block_struct *pb;
- errcode_t retval;
- int ret;
- blk_t block, orig;
-
- pb = (struct process_block_struct *) priv_data;
- block = orig = *block_nr;
- ret = 0;
-
- /*
- * Let's see if this is one which we need to relocate
- */
- if (ext2fs_test_block_bitmap(pb->reserve, block)) {
- do {
- if (++block >= fs->super->s_blocks_count)
- block = fs->super->s_first_data_block;
- if (block == orig) {
- pb->error = EXT2_ET_BLOCK_ALLOC_FAIL;
- return BLOCK_ABORT;
- }
- } while (ext2fs_test_block_bitmap(pb->reserve, block) ||
- ext2fs_test_block_bitmap(pb->alloc_map, block));
-
- retval = io_channel_read_blk(fs->io, orig, 1, pb->buf);
- if (retval) {
- pb->error = retval;
- return BLOCK_ABORT;
- }
- retval = io_channel_write_blk(fs->io, block, 1, pb->buf);
- if (retval) {
- pb->error = retval;
- return BLOCK_ABORT;
- }
- *block_nr = block;
- ext2fs_mark_block_bitmap(pb->alloc_map, block);
- ret = BLOCK_CHANGED;
- if (pb->flags & EXT2_BMOVE_DEBUG)
- printf("ino=%ld, blockcnt=%lld, %d->%d\n", pb->ino,
- blockcnt, orig, block);
- }
- if (pb->add_dir) {
- retval = ext2fs_add_dir_block(fs->dblist, pb->ino,
- block, (int) blockcnt);
- if (retval) {
- pb->error = retval;
- ret |= BLOCK_ABORT;
- }
- }
- return ret;
-}
-
-errcode_t ext2fs_move_blocks(ext2_filsys fs,
- ext2fs_block_bitmap reserve,
- ext2fs_block_bitmap alloc_map,
- int flags)
-{
- ext2_ino_t ino;
- struct ext2_inode inode;
- errcode_t retval;
- struct process_block_struct pb;
- ext2_inode_scan scan;
- char *block_buf;
-
- retval = ext2fs_open_inode_scan(fs, 0, &scan);
- if (retval)
- return retval;
-
- pb.reserve = reserve;
- pb.error = 0;
- pb.alloc_map = alloc_map ? alloc_map : fs->block_map;
- pb.flags = flags;
-
- retval = ext2fs_get_mem(fs->blocksize * 4, &block_buf);
- if (retval)
- return retval;
- pb.buf = block_buf + fs->blocksize * 3;
-
- /*
- * If GET_DBLIST is set in the flags field, then we should
- * gather directory block information while we're doing the
- * block move.
- */
- if (flags & EXT2_BMOVE_GET_DBLIST) {
- ext2fs_free_dblist(fs->dblist);
- fs->dblist = NULL;
- retval = ext2fs_init_dblist(fs, 0);
- if (retval)
- return retval;
- }
-
- retval = ext2fs_get_next_inode(scan, &ino, &inode);
- if (retval)
- return retval;
-
- while (ino) {
- if ((inode.i_links_count == 0) ||
- !ext2fs_inode_has_valid_blocks(&inode))
- goto next;
-
- pb.ino = ino;
- pb.inode = &inode;
-
- pb.add_dir = (LINUX_S_ISDIR(inode.i_mode) &&
- flags & EXT2_BMOVE_GET_DBLIST);
-
- retval = ext2fs_block_iterate2(fs, ino, 0, block_buf,
- process_block, &pb);
- if (retval)
- return retval;
- if (pb.error)
- return pb.error;
-
- next:
- retval = ext2fs_get_next_inode(scan, &ino, &inode);
- if (retval == EXT2_ET_BAD_BLOCK_IN_INODE_TABLE)
- goto next;
- }
- return 0;
-}
-