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-rw-r--r--libparted/fs/r/hfs/reloc.c676
1 files changed, 676 insertions, 0 deletions
diff --git a/libparted/fs/r/hfs/reloc.c b/libparted/fs/r/hfs/reloc.c
new file mode 100644
index 0000000..05ec76a
--- /dev/null
+++ b/libparted/fs/r/hfs/reloc.c
@@ -0,0 +1,676 @@
+/*
+ libparted - a library for manipulating disk partitions
+ Copyright (C) 2004-2005, 2007, 2009-2014, 2019-2023 Free Software
+ Foundation, Inc.
+
+ This program 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 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef DISCOVER_ONLY
+
+#include <config.h>
+
+#include <parted/parted.h>
+#include <parted/endian.h>
+#include <parted/debug.h>
+#include <stdint.h>
+
+#if ENABLE_NLS
+# include <libintl.h>
+# define _(String) dgettext (PACKAGE, String)
+#else
+# define _(String) (String)
+#endif /* ENABLE_NLS */
+
+#include "hfs.h"
+#include "file.h"
+#include "advfs.h"
+#include "cache.h"
+
+#include "reloc.h"
+
+/* This function moves data of size blocks starting
+ at block *ptr_fblock to block *ptr_to_fblock */
+/* return new start or -1 on failure */
+static int
+hfs_effect_move_extent (PedFileSystem *fs, unsigned int *ptr_fblock,
+ unsigned int *ptr_to_fblock, unsigned int size)
+{
+ HfsPrivateFSData* priv_data = (HfsPrivateFSData*)
+ fs->type_specific;
+ unsigned int i, ok = 0;
+ unsigned int next_to_fblock;
+ unsigned int start, stop;
+
+ PED_ASSERT (hfs_block != NULL);
+ PED_ASSERT (*ptr_to_fblock <= *ptr_fblock);
+ /* quiet gcc */
+ start = stop = 0;
+
+/*
+ Try to fit the extent AT or _BEFORE_ the wanted place,
+ or then in the gap between dest and source.
+ If failed try to fit the extent after source, for 2 pass relocation
+ The extent is always copied in a non overlapping way
+*/
+
+ /* Backward search */
+ /* 1 pass relocation AT or BEFORE *ptr_to_fblock */
+ if (*ptr_to_fblock != *ptr_fblock) {
+ start = stop = *ptr_fblock < *ptr_to_fblock+size ?
+ *ptr_fblock : *ptr_to_fblock+size;
+ while (start && stop-start != size) {
+ --start;
+ if (TST_BLOC_OCCUPATION(priv_data->alloc_map,start))
+ stop = start;
+ }
+ ok = (stop-start == size);
+ }
+
+ /* Forward search */
+ /* 1 pass relocation in the gap merged with 2 pass reloc after source */
+ if (!ok && *ptr_to_fblock != *ptr_fblock) {
+ start = stop = *ptr_to_fblock+1;
+ while (stop < PED_BE16_TO_CPU(priv_data->mdb->total_blocks)
+ && stop-start != size) {
+ if (TST_BLOC_OCCUPATION(priv_data->alloc_map,stop))
+ start = stop + 1;
+ ++stop;
+ }
+ ok = (stop-start == size);
+ }
+
+ /* new non overlapping room has been found ? */
+ if (ok) {
+ /* enough room */
+ unsigned int j;
+ unsigned int start_block =
+ PED_BE16_TO_CPU (priv_data->mdb->start_block );
+ unsigned int block_sz =
+ (PED_BE32_TO_CPU (priv_data->mdb->block_size)
+ / PED_SECTOR_SIZE_DEFAULT);
+
+ if (stop > *ptr_to_fblock && stop <= *ptr_fblock)
+ /* Fit in the gap */
+ next_to_fblock = stop;
+ else
+ /* Before or after the gap */
+ next_to_fblock = *ptr_to_fblock;
+
+ /* move blocks */
+ for (i = 0; i < size; /*i+=j*/) {
+ PedSector abs_sector;
+ unsigned int ai;
+
+ j = size - i; j = (j < hfs_block_count) ?
+ j : hfs_block_count ;
+
+ abs_sector = start_block
+ + (PedSector) (*ptr_fblock + i) * block_sz;
+ if (!ped_geometry_read (fs->geom, hfs_block, abs_sector,
+ block_sz * j))
+ return -1;
+
+ abs_sector = start_block
+ + (PedSector) (start + i) * block_sz;
+ if (!ped_geometry_write (fs->geom,hfs_block,abs_sector,
+ block_sz * j))
+ return -1;
+
+ for (ai = i+j; i < ai; i++) {
+ /* free source block */
+ CLR_BLOC_OCCUPATION(priv_data->alloc_map,
+ *ptr_fblock + i);
+
+ /* set dest block */
+ SET_BLOC_OCCUPATION(priv_data->alloc_map,
+ start + i);
+ }
+ }
+ if (!ped_geometry_sync_fast (fs->geom))
+ return -1;
+
+ *ptr_fblock += size;
+ *ptr_to_fblock = next_to_fblock;
+ } else {
+ if (*ptr_fblock != *ptr_to_fblock)
+ /* not enough room, but try to continue */
+ ped_exception_throw (PED_EXCEPTION_WARNING,
+ PED_EXCEPTION_IGNORE,
+ _("An extent has not been relocated."));
+ start = *ptr_fblock;
+ *ptr_fblock = *ptr_to_fblock = start + size;
+ }
+
+ return start;
+}
+
+/* Update MDB */
+/* Return 0 if an error occurred */
+/* Return 1 if everything ok */
+int
+hfs_update_mdb (PedFileSystem *fs)
+{
+ HfsPrivateFSData* priv_data = (HfsPrivateFSData*)
+ fs->type_specific;
+ uint8_t node[PED_SECTOR_SIZE_DEFAULT];
+
+ if (!ped_geometry_read (fs->geom, node, 2, 1))
+ return 0;
+ memcpy (node, priv_data->mdb, sizeof (HfsMasterDirectoryBlock));
+ if ( !ped_geometry_write (fs->geom, node, 2, 1)
+ || !ped_geometry_write (fs->geom, node, fs->geom->length - 2, 1)
+ || !ped_geometry_sync_fast (fs->geom))
+ return 0;
+ return 1;
+}
+
+/* Generic relocator */
+/* replace previous hfs_do_move_* */
+static int
+hfs_do_move (PedFileSystem* fs, unsigned int *ptr_src,
+ unsigned int *ptr_dest, HfsCPrivateCache* cache,
+ HfsCPrivateExtent* ref)
+{
+ uint8_t node[PED_SECTOR_SIZE_DEFAULT];
+ HfsPrivateFSData* priv_data = (HfsPrivateFSData*)
+ fs->type_specific;
+ HfsPrivateFile* file;
+ HfsExtDescriptor* extent;
+ HfsCPrivateExtent* move;
+ int new_start;
+
+ new_start = hfs_effect_move_extent (fs, ptr_src, ptr_dest,
+ ref->ext_length);
+ if (new_start == -1) return -1;
+
+ if (ref->ext_start != (unsigned) new_start) {
+ /* Load, modify & save */
+ switch (ref->where) {
+ /******** MDB *********/
+ case CR_PRIM_CAT :
+ priv_data->catalog_file
+ ->first[ref->ref_index].start_block =
+ PED_CPU_TO_BE16(new_start);
+ goto CR_PRIM;
+ case CR_PRIM_EXT :
+ priv_data->extent_file
+ ->first[ref->ref_index].start_block =
+ PED_CPU_TO_BE16(new_start);
+ CR_PRIM :
+ extent = ( HfsExtDescriptor* )
+ ( (uint8_t*)priv_data->mdb + ref->ref_offset );
+ extent[ref->ref_index].start_block =
+ PED_CPU_TO_BE16(new_start);
+ if (!hfs_update_mdb(fs)) return -1;
+ break;
+
+ /********* BTREE *******/
+ case CR_BTREE_EXT_CAT :
+ if (priv_data->catalog_file
+ ->cache[ref->ref_index].start_block
+ == PED_CPU_TO_BE16(ref->ext_start))
+ priv_data->catalog_file
+ ->cache[ref->ref_index].start_block =
+ PED_CPU_TO_BE16(new_start);
+ /* FALLTHROUGH */
+ case CR_BTREE_EXT_0 :
+ file = priv_data->extent_file;
+ goto CR_BTREE;
+ case CR_BTREE_CAT :
+ file = priv_data->catalog_file;
+ CR_BTREE:
+ PED_ASSERT(ref->sect_by_block == 1
+ && ref->ref_offset < PED_SECTOR_SIZE_DEFAULT);
+ if (!hfs_file_read_sector(file, node, ref->ref_block))
+ return -1;
+ extent = ( HfsExtDescriptor* ) (node + ref->ref_offset);
+ extent[ref->ref_index].start_block =
+ PED_CPU_TO_BE16(new_start);
+ if (!hfs_file_write_sector(file, node, ref->ref_block)
+ || !ped_geometry_sync_fast (fs->geom))
+ return -1;
+ break;
+
+ /********** BUG ********/
+ default :
+ ped_exception_throw (
+ PED_EXCEPTION_ERROR,
+ PED_EXCEPTION_CANCEL,
+ _("A reference to an extent comes from a place "
+ "it should not. You should check the file "
+ "system!"));
+ return -1;
+ break;
+ }
+
+ /* Update the cache */
+ move = hfsc_cache_move_extent(cache, ref->ext_start, new_start);
+ if (!move) return -1; /* "cleanly" fail */
+ PED_ASSERT(move == ref); /* generate a bug */
+ }
+
+ return new_start;
+}
+
+/* 0 error, 1 ok */
+static int
+hfs_save_allocation(PedFileSystem* fs)
+{
+ HfsPrivateFSData* priv_data = (HfsPrivateFSData*)
+ fs->type_specific;
+ unsigned int map_sectors;
+
+ map_sectors = ( PED_BE16_TO_CPU (priv_data->mdb->total_blocks)
+ + PED_SECTOR_SIZE_DEFAULT * 8 - 1 )
+ / (PED_SECTOR_SIZE_DEFAULT * 8);
+ return ( ped_geometry_write (fs->geom, priv_data->alloc_map,
+ PED_BE16_TO_CPU (priv_data->mdb->volume_bitmap_block),
+ map_sectors) );
+}
+
+/* This function moves an extent starting at block fblock to block to_fblock
+ if there's enough room */
+/* Return 1 if everything was fine */
+/* Return -1 if an error occurred */
+/* Return 0 if no extent was found */
+/* Generic search thanks to the file system cache */
+static int
+hfs_move_extent_starting_at (PedFileSystem *fs, unsigned int *ptr_fblock,
+ unsigned int *ptr_to_fblock,
+ HfsCPrivateCache* cache)
+{
+ HfsCPrivateExtent* ref;
+ unsigned int old_start, new_start;
+
+ /* Reference search powered by the cache... */
+ /* This is the optimisation secret :) */
+ ref = hfsc_cache_search_extent(cache, *ptr_fblock);
+ if (!ref) return 0; /* not found */
+
+ old_start = *ptr_fblock;
+ new_start = hfs_do_move(fs, ptr_fblock, ptr_to_fblock, cache, ref);
+ if (new_start == (unsigned int) -1) return -1;
+ if (new_start > old_start) { /* detect 2 pass reloc */
+ new_start = hfs_do_move(fs,&new_start,ptr_to_fblock,cache,ref);
+ if (new_start == (unsigned int) -1 || new_start > old_start)
+ return -1;
+ }
+
+ /* allocation bitmap save is not atomic with data relocation */
+ /* so we only do it a few times, and without syncing */
+ /* The unmounted bit protect us anyway */
+ hfs_save_allocation(fs);
+ return 1;
+}
+
+static int
+hfs_cache_from_mdb(HfsCPrivateCache* cache, PedFileSystem* fs,
+ PedTimer* timer)
+{
+ HfsPrivateFSData* priv_data = (HfsPrivateFSData*)
+ fs->type_specific;
+ HfsExtDescriptor* extent;
+ unsigned int j;
+
+ extent = priv_data->mdb->extents_file_rec;
+ for (j = 0; j < HFS_EXT_NB; ++j) {
+ if (!extent[j].block_count) break;
+ if (!hfsc_cache_add_extent(
+ cache,
+ PED_BE16_TO_CPU(extent[j].start_block),
+ PED_BE16_TO_CPU(extent[j].block_count),
+ 0, /* unused for mdb */
+ ((uint8_t*)extent) - ((uint8_t*)priv_data->mdb),
+ 1, /* load/save only 1 sector */
+ CR_PRIM_EXT,
+ j )
+ )
+ return 0;
+ }
+
+ extent = priv_data->mdb->catalog_file_rec;
+ for (j = 0; j < HFS_EXT_NB; ++j) {
+ if (!extent[j].block_count) break;
+ if (!hfsc_cache_add_extent(
+ cache,
+ PED_BE16_TO_CPU(extent[j].start_block),
+ PED_BE16_TO_CPU(extent[j].block_count),
+ 0,
+ ((uint8_t*)extent) - ((uint8_t*)priv_data->mdb),
+ 1,
+ CR_PRIM_CAT,
+ j )
+ )
+ return 0;
+ }
+
+ return 1;
+}
+
+static int
+hfs_cache_from_catalog(HfsCPrivateCache* cache, PedFileSystem* fs,
+ PedTimer* timer)
+{
+ HfsPrivateFSData* priv_data = (HfsPrivateFSData*)
+ fs->type_specific;
+ uint8_t node[PED_SECTOR_SIZE_DEFAULT];
+ HfsHeaderRecord* header;
+ HfsNodeDescriptor* desc = (HfsNodeDescriptor*) node;
+ HfsCatalogKey* catalog_key;
+ HfsCatalog* catalog_data;
+ HfsExtDescriptor* extent;
+ unsigned int leaf_node, record_number;
+ unsigned int i, j;
+ uint16_t catalog_pos;
+
+ if (!priv_data->catalog_file->sect_nb) {
+ ped_exception_throw (
+ PED_EXCEPTION_INFORMATION,
+ PED_EXCEPTION_OK,
+ _("This HFS volume has no catalog file. "
+ "This is very unusual!"));
+ return 1;
+ }
+
+ if (!hfs_file_read_sector (priv_data->catalog_file, node, 0))
+ return 0;
+ uint16_t offset;
+ memcpy(&offset, node+(PED_SECTOR_SIZE_DEFAULT-2), sizeof(uint16_t));
+ header = (HfsHeaderRecord*) (node + PED_BE16_TO_CPU(offset));
+
+ for (leaf_node = PED_BE32_TO_CPU (header->first_leaf_node);
+ leaf_node;
+ leaf_node = PED_BE32_TO_CPU (desc->next)) {
+ if (!hfs_file_read_sector (priv_data->catalog_file,
+ node, leaf_node))
+ return 0;
+ record_number = PED_BE16_TO_CPU (desc->rec_nb);
+ for (i = 1; i <= record_number; ++i) {
+ /* undocumented alignement */
+ uint16_t value;
+ memcpy(&value, node+(PED_SECTOR_SIZE_DEFAULT - (2*i)), sizeof(uint16_t));
+ catalog_pos = PED_BE16_TO_CPU(value);
+ catalog_key = (HfsCatalogKey*) (node + catalog_pos);
+ unsigned int skip;
+ skip = (1 + catalog_key->key_length + 1) & ~1;
+ catalog_data = (HfsCatalog*)(node+catalog_pos+skip);
+ /* check for obvious error in FS */
+ if ((catalog_pos < HFS_FIRST_REC)
+ || ((uint8_t*)catalog_data - node
+ >= PED_SECTOR_SIZE_DEFAULT
+ - 2 * (signed)(record_number+1))) {
+ ped_exception_throw (
+ PED_EXCEPTION_ERROR,
+ PED_EXCEPTION_CANCEL,
+ _("The file system contains errors."));
+ return 0;
+ }
+
+ if (catalog_data->type != HFS_CAT_FILE) continue;
+
+ extent = catalog_data->sel.file.extents_data;
+ for (j = 0; j < HFS_EXT_NB; ++j) {
+ if (!extent[j].block_count) break;
+ if (!hfsc_cache_add_extent(
+ cache,
+ PED_BE16_TO_CPU(extent[j].start_block),
+ PED_BE16_TO_CPU(extent[j].block_count),
+ leaf_node,
+ (uint8_t*)extent - node,
+ 1, /* hfs => btree block = 512 b */
+ CR_BTREE_CAT,
+ j )
+ )
+ return 0;
+ }
+
+ extent = catalog_data->sel.file.extents_res;
+ for (j = 0; j < HFS_EXT_NB; ++j) {
+ if (!extent[j].block_count) break;
+ if (!hfsc_cache_add_extent(
+ cache,
+ PED_BE16_TO_CPU(extent[j].start_block),
+ PED_BE16_TO_CPU(extent[j].block_count),
+ leaf_node,
+ (uint8_t*)extent - node,
+ 1, /* hfs => btree block = 512 b */
+ CR_BTREE_CAT,
+ j )
+ )
+ return 0;
+ }
+ }
+ }
+
+ return 1;
+}
+
+static int
+hfs_cache_from_extent(HfsCPrivateCache* cache, PedFileSystem* fs,
+ PedTimer* timer)
+{
+ HfsPrivateFSData* priv_data = (HfsPrivateFSData*)
+ fs->type_specific;
+ uint8_t node[PED_SECTOR_SIZE_DEFAULT];
+ HfsHeaderRecord* header;
+ HfsNodeDescriptor* desc = (HfsNodeDescriptor*) node;
+ HfsExtentKey* extent_key;
+ HfsExtDescriptor* extent;
+ unsigned int leaf_node, record_number;
+ unsigned int i, j;
+ uint16_t extent_pos;
+
+ if (!priv_data->extent_file->sect_nb) {
+ ped_exception_throw (
+ PED_EXCEPTION_INFORMATION,
+ PED_EXCEPTION_OK,
+ _("This HFS volume has no extents overflow "
+ "file. This is quite unusual!"));
+ return 1;
+ }
+
+ if (!hfs_file_read_sector (priv_data->extent_file, node, 0))
+ return 0;
+ uint16_t offset;
+ memcpy(&offset, node+(PED_SECTOR_SIZE_DEFAULT-2), sizeof(uint16_t));
+ header = (HfsHeaderRecord*) (node + PED_BE16_TO_CPU(offset));
+
+ for (leaf_node = PED_BE32_TO_CPU (header->first_leaf_node);
+ leaf_node;
+ leaf_node = PED_BE32_TO_CPU (desc->next)) {
+ if (!hfs_file_read_sector (priv_data->extent_file, node,
+ leaf_node))
+ return 0;
+ record_number = PED_BE16_TO_CPU (desc->rec_nb);
+ for (i = 1; i <= record_number; i++) {
+ uint8_t where;
+ uint16_t value;
+ memcpy(&value, node+(PED_SECTOR_SIZE_DEFAULT - (2*i)), sizeof(uint16_t));
+ extent_pos = PED_BE16_TO_CPU(value);
+ extent_key = (HfsExtentKey*)(node + extent_pos);
+ /* size is cst */
+ extent = (HfsExtDescriptor*)(node+extent_pos+sizeof(HfsExtentKey));
+ /* check for obvious error in FS */
+ if ((extent_pos < HFS_FIRST_REC)
+ || ((uint8_t*)extent - node
+ >= PED_SECTOR_SIZE_DEFAULT
+ - 2 * (signed)(record_number+1))) {
+ ped_exception_throw (
+ PED_EXCEPTION_ERROR,
+ PED_EXCEPTION_CANCEL,
+ _("The file system contains errors."));
+ return 0;
+ }
+
+ switch (extent_key->file_ID) {
+ case PED_CPU_TO_BE32 (HFS_XTENT_ID) :
+ if (ped_exception_throw (
+ PED_EXCEPTION_WARNING,
+ PED_EXCEPTION_IGNORE_CANCEL,
+ _("The extents overflow file should not"
+ " contain its own extents! You "
+ "should check the file system."))
+ != PED_EXCEPTION_IGNORE)
+ return 0;
+ where = CR_BTREE_EXT_EXT;
+ break;
+ case PED_CPU_TO_BE32 (HFS_CATALOG_ID) :
+ where = CR_BTREE_EXT_CAT;
+ break;
+ default :
+ where = CR_BTREE_EXT_0;
+ break;
+ }
+
+ for (j = 0; j < HFS_EXT_NB; ++j) {
+ if (!extent[j].block_count) break;
+ if (!hfsc_cache_add_extent(
+ cache,
+ PED_BE16_TO_CPU(extent[j].start_block),
+ PED_BE16_TO_CPU(extent[j].block_count),
+ leaf_node,
+ (uint8_t*)extent - node,
+ 1, /* hfs => btree block = 512 b */
+ where,
+ j )
+ )
+ return 0;
+ }
+ }
+ }
+
+ return 1;
+}
+
+/* This function cache every extents start and length stored in any
+ fs structure into the adt defined in cache.[ch]
+ Returns NULL on failure */
+static HfsCPrivateCache*
+hfs_cache_extents(PedFileSystem *fs, PedTimer* timer)
+{
+ HfsPrivateFSData* priv_data = (HfsPrivateFSData*)
+ fs->type_specific;
+ HfsCPrivateCache* ret;
+ unsigned int file_number, block_number;
+
+ file_number = PED_BE32_TO_CPU(priv_data->mdb->file_count);
+ block_number = PED_BE16_TO_CPU(priv_data->mdb->total_blocks);
+ ret = hfsc_new_cache(block_number, file_number);
+ if (!ret) return NULL;
+
+ if (!hfs_cache_from_mdb(ret, fs, timer) ||
+ !hfs_cache_from_catalog(ret, fs, timer) ||
+ !hfs_cache_from_extent(ret, fs, timer)) {
+ ped_exception_throw(
+ PED_EXCEPTION_ERROR,
+ PED_EXCEPTION_CANCEL,
+ _("Could not cache the file system in memory."));
+ hfsc_delete_cache(ret);
+ return NULL;
+ }
+
+ return ret;
+}
+
+/* This function moves file's data to compact used and free space,
+ starting at fblock block */
+/* return 0 on error */
+int
+hfs_pack_free_space_from_block (PedFileSystem *fs, unsigned int fblock,
+ PedTimer* timer, unsigned int to_free)
+{
+ PedSector bytes_buff;
+ HfsPrivateFSData* priv_data = (HfsPrivateFSData*)
+ fs->type_specific;
+ HfsMasterDirectoryBlock* mdb = priv_data->mdb;
+ HfsCPrivateCache* cache;
+ unsigned int to_fblock = fblock;
+ unsigned int start = fblock;
+ unsigned int divisor = PED_BE16_TO_CPU (mdb->total_blocks)
+ + 1 - start - to_free;
+ int ret;
+
+ PED_ASSERT (!hfs_block);
+
+ cache = hfs_cache_extents (fs, timer);
+ if (!cache)
+ return 0;
+
+ /* Calculate the size of the copy buffer :
+ * Takes BLOCK_MAX_BUFF HFS blocks, but if > BYTES_MAX_BUFF
+ * takes the maximum number of HFS blocks so that the buffer
+ * will remain smaller than or equal to BYTES_MAX_BUFF, with
+ * a minimum of 1 HFS block */
+ bytes_buff = PED_BE32_TO_CPU (priv_data->mdb->block_size)
+ * (PedSector) BLOCK_MAX_BUFF;
+ if (bytes_buff > BYTES_MAX_BUFF) {
+ hfs_block_count = BYTES_MAX_BUFF
+ / PED_BE32_TO_CPU (priv_data->mdb->block_size);
+ if (!hfs_block_count)
+ hfs_block_count = 1;
+ bytes_buff = (PedSector) hfs_block_count
+ * PED_BE32_TO_CPU (priv_data->mdb->block_size);
+ } else
+ hfs_block_count = BLOCK_MAX_BUFF;
+
+ /* If the cache code requests more space, give it to him */
+ if (bytes_buff < hfsc_cache_needed_buffer (cache))
+ bytes_buff = hfsc_cache_needed_buffer (cache);
+
+ hfs_block = (uint8_t*) ped_malloc (bytes_buff);
+ if (!hfs_block)
+ goto error_cache;
+
+ if (!hfs_read_bad_blocks (fs)) {
+ ped_exception_throw (
+ PED_EXCEPTION_ERROR,
+ PED_EXCEPTION_CANCEL,
+ _("Bad blocks list could not be loaded."));
+ goto error_alloc;
+ }
+
+ while (fblock < PED_BE16_TO_CPU (mdb->total_blocks)) {
+ if (TST_BLOC_OCCUPATION(priv_data->alloc_map,fblock)
+ && (!hfs_is_bad_block (fs, fblock))) {
+ if (!(ret = hfs_move_extent_starting_at (fs, &fblock,
+ &to_fblock, cache)))
+ to_fblock = ++fblock;
+ else if (ret == -1) {
+ ped_exception_throw (
+ PED_EXCEPTION_ERROR,
+ PED_EXCEPTION_CANCEL,
+ _("An error occurred during extent "
+ "relocation."));
+ goto error_alloc;
+ }
+ } else {
+ fblock++;
+ }
+
+ ped_timer_update(timer, (float)(to_fblock - start)/divisor);
+ }
+
+ free (hfs_block); hfs_block = NULL; hfs_block_count = 0;
+ hfsc_delete_cache (cache);
+ return 1;
+
+error_alloc:
+ free (hfs_block); hfs_block = NULL; hfs_block_count = 0;
+error_cache:
+ hfsc_delete_cache (cache);
+ return 0;
+}
+
+#endif /* !DISCOVER_ONLY */