static void check_inode_bitmaps(e2fsck_t ctx);
static void check_inode_end(e2fsck_t ctx);
static void check_block_end(e2fsck_t ctx);
+static void check_inode_bitmap_checksum(e2fsck_t ctx);
+static void check_block_bitmap_checksum(e2fsck_t ctx);
void e2fsck_pass5(e2fsck_t ctx)
{
if (ctx->flags & E2F_FLAG_SIGNAL_MASK)
return;
+ check_inode_bitmap_checksum(ctx);
+ check_block_bitmap_checksum(ctx);
+
ext2fs_free_inode_bitmap(ctx->inode_used_map);
ctx->inode_used_map = 0;
ext2fs_free_inode_bitmap(ctx->inode_dir_map);
ctx->inode_dir_map = 0;
ext2fs_free_block_bitmap(ctx->block_found_map);
ctx->block_found_map = 0;
+ ext2fs_free_block_bitmap(ctx->block_metadata_map);
+ ctx->block_metadata_map = 0;
print_resource_track(ctx, _("Pass 5"), &rtrack, ctx->fs->io);
}
+static void check_inode_bitmap_checksum(e2fsck_t ctx)
+{
+ struct problem_context pctx;
+ char *buf = NULL;
+ dgrp_t i;
+ int nbytes;
+ ext2_ino_t ino_itr;
+ errcode_t retval;
+
+ if (!ext2fs_has_feature_metadata_csum(ctx->fs->super))
+ return;
+
+ /* If bitmap is dirty from being fixed, checksum will be corrected */
+ if (ext2fs_test_ib_dirty(ctx->fs))
+ return;
+
+ nbytes = (size_t)(EXT2_INODES_PER_GROUP(ctx->fs->super) / 8);
+ retval = ext2fs_get_mem(ctx->fs->blocksize, &buf);
+ if (retval) {
+ com_err(ctx->program_name, 0, "%s",
+ _("check_inode_bitmap_checksum: Memory allocation error"));
+ fatal_error(ctx, 0);
+ }
+
+ clear_problem_context(&pctx);
+ for (i = 0; i < ctx->fs->group_desc_count; i++) {
+ if (ext2fs_bg_flags_test(ctx->fs, i, EXT2_BG_INODE_UNINIT))
+ continue;
+
+ ino_itr = 1 + (i * (nbytes << 3));
+ retval = ext2fs_get_inode_bitmap_range2(ctx->fs->inode_map,
+ ino_itr, nbytes << 3,
+ buf);
+ if (retval)
+ break;
+
+ if (ext2fs_inode_bitmap_csum_verify(ctx->fs, i, buf, nbytes))
+ continue;
+ pctx.group = i;
+ if (!fix_problem(ctx, PR_5_INODE_BITMAP_CSUM_INVALID, &pctx))
+ continue;
+
+ /*
+ * Fixing one checksum will rewrite all of them. The bitmap
+ * will be checked against the one we made during pass1 for
+ * discrepancies, and fixed if need be.
+ */
+ ext2fs_mark_ib_dirty(ctx->fs);
+ break;
+ }
+
+ ext2fs_free_mem(&buf);
+}
+
+static void check_block_bitmap_checksum(e2fsck_t ctx)
+{
+ struct problem_context pctx;
+ char *buf = NULL;
+ dgrp_t i;
+ int nbytes;
+ blk64_t blk_itr;
+ errcode_t retval;
+
+ if (!ext2fs_has_feature_metadata_csum(ctx->fs->super))
+ return;
+
+ /* If bitmap is dirty from being fixed, checksum will be corrected */
+ if (ext2fs_test_bb_dirty(ctx->fs))
+ return;
+
+ nbytes = (size_t)(EXT2_CLUSTERS_PER_GROUP(ctx->fs->super) / 8);
+ retval = ext2fs_get_mem(ctx->fs->blocksize, &buf);
+ if (retval) {
+ com_err(ctx->program_name, 0, "%s",
+ _("check_block_bitmap_checksum: Memory allocation error"));
+ fatal_error(ctx, 0);
+ }
+
+ clear_problem_context(&pctx);
+ for (i = 0; i < ctx->fs->group_desc_count; i++) {
+ if (ext2fs_bg_flags_test(ctx->fs, i, EXT2_BG_BLOCK_UNINIT))
+ continue;
+
+ blk_itr = EXT2FS_B2C(ctx->fs,
+ ctx->fs->super->s_first_data_block) +
+ ((blk64_t) i * (nbytes << 3));
+ retval = ext2fs_get_block_bitmap_range2(ctx->fs->block_map,
+ blk_itr, nbytes << 3,
+ buf);
+ if (retval)
+ break;
+
+ if (ext2fs_block_bitmap_csum_verify(ctx->fs, i, buf, nbytes))
+ continue;
+ pctx.group = i;
+ if (!fix_problem(ctx, PR_5_BLOCK_BITMAP_CSUM_INVALID, &pctx))
+ continue;
+
+ /*
+ * Fixing one checksum will rewrite all of them. The bitmap
+ * will be checked against the one we made during pass1 for
+ * discrepancies, and fixed if need be.
+ */
+ ext2fs_mark_bb_dirty(ctx->fs);
+ break;
+ }
+
+ ext2fs_free_mem(&buf);
+}
+
static void e2fsck_discard_blocks(e2fsck_t ctx, blk64_t start,
blk64_t count)
{
problem_t problem, save_problem;
int fixit, had_problem;
errcode_t retval;
- int csum_flag;
- int skip_group = 0;
- int old_desc_blocks = 0;
- int count = 0;
- int cmp_block = 0;
int redo_flag = 0;
- blk64_t super_blk, old_desc_blk, new_desc_blk;
char *actual_buf, *bitmap_buf;
actual_buf = (char *) e2fsck_allocate_memory(ctx, fs->blocksize,
goto errout;
}
- csum_flag = EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
- EXT4_FEATURE_RO_COMPAT_GDT_CSUM);
redo_counts:
had_problem = 0;
save_problem = 0;
pctx.blk = pctx.blk2 = NO_BLK;
- if (csum_flag &&
- (ext2fs_bg_flags_test(fs, group, EXT2_BG_BLOCK_UNINIT)))
- skip_group++;
for (i = B2C(fs->super->s_first_data_block);
i < ext2fs_blocks_count(fs->super);
i += EXT2FS_CLUSTER_RATIO(fs)) {
actual_buf);
if (retval)
goto no_optimize;
- if (ext2fs_bg_flags_test(fs, group, EXT2_BG_BLOCK_UNINIT))
- memset(bitmap_buf, 0, nbytes);
- else {
- retval = ext2fs_get_block_bitmap_range2(fs->block_map,
- B2C(i), fs->super->s_clusters_per_group,
- bitmap_buf);
- if (retval)
- goto no_optimize;
- }
+ retval = ext2fs_get_block_bitmap_range2(fs->block_map,
+ B2C(i), fs->super->s_clusters_per_group,
+ bitmap_buf);
+ if (retval)
+ goto no_optimize;
if (memcmp(actual_buf, bitmap_buf, nbytes) != 0)
goto no_optimize;
n = ext2fs_bitcount(actual_buf, nbytes);
goto next_group;
no_optimize:
- if (skip_group) {
- if (first_block_in_bg) {
- super_blk = 0;
- old_desc_blk = 0;
- new_desc_blk = 0;
- ext2fs_super_and_bgd_loc2(fs, group, &super_blk,
- &old_desc_blk, &new_desc_blk, 0);
-
- if (fs->super->s_feature_incompat &
- EXT2_FEATURE_INCOMPAT_META_BG)
- old_desc_blocks =
- fs->super->s_first_meta_bg;
- else
- old_desc_blocks = fs->desc_blocks +
- fs->super->s_reserved_gdt_blocks;
-
- count = 0;
- cmp_block = fs->super->s_clusters_per_group;
- if (group == (int)fs->group_desc_count - 1)
- cmp_block = EXT2FS_NUM_B2C(fs,
- ext2fs_group_blocks_count(fs, group));
- }
-
- bitmap = 0;
- if (EQ_CLSTR(i, super_blk) ||
- (old_desc_blk && old_desc_blocks &&
- GE_CLSTR(i, old_desc_blk) &&
- LE_CLSTR(i, old_desc_blk + old_desc_blocks-1)) ||
- (new_desc_blk && EQ_CLSTR(i, new_desc_blk)) ||
- EQ_CLSTR(i, ext2fs_block_bitmap_loc(fs, group)) ||
- EQ_CLSTR(i, ext2fs_inode_bitmap_loc(fs, group)) ||
- (GE_CLSTR(i, ext2fs_inode_table_loc(fs, group)) &&
- LE_CLSTR(i, (ext2fs_inode_table_loc(fs, group) +
- fs->inode_blocks_per_group - 1)))) {
- bitmap = 1;
- actual = (actual != 0);
- count++;
- cmp_block--;
- } else if ((EXT2FS_B2C(fs, i) - count -
- EXT2FS_B2C(fs, fs->super->s_first_data_block)) %
- fs->super->s_clusters_per_group == 0) {
- /*
- * When the compare data blocks in block bitmap
- * are 0, count the free block,
- * skip the current block group.
- */
- if (ext2fs_test_block_bitmap_range2(
- ctx->block_found_map,
- EXT2FS_B2C(fs, i),
- cmp_block)) {
- /*
- * -1 means to skip the current block
- * group.
- */
- blocks = fs->super->s_clusters_per_group - 1;
- group_free = cmp_block;
- free_blocks += cmp_block;
- /*
- * The current block group's last block
- * is set to i.
- */
- i += EXT2FS_C2B(fs, cmp_block - 1);
- bitmap = 1;
- goto do_counts;
- }
- }
- } else if (redo_flag)
+ if (redo_flag)
bitmap = actual;
else
bitmap = ext2fs_fast_test_block_bitmap2(fs->block_map, i);
*/
problem = PR_5_BLOCK_USED;
- if (skip_group) {
+ if (ext2fs_bg_flags_test(fs, group,
+ EXT2_BG_BLOCK_UNINIT)) {
struct problem_context pctx2;
pctx2.blk = i;
pctx2.group = group;
- if (fix_problem(ctx, PR_5_BLOCK_UNINIT,&pctx2)){
- ext2fs_bg_flags_clear(fs, group, EXT2_BG_BLOCK_UNINIT);
- skip_group = 0;
- }
+ if (fix_problem(ctx, PR_5_BLOCK_UNINIT,
+ &pctx2))
+ ext2fs_bg_flags_clear(fs, group,
+ EXT2_BG_BLOCK_UNINIT);
}
}
if (pctx.blk == NO_BLK) {
group ++;
blocks = 0;
group_free = 0;
- skip_group = 0;
if (ctx->progress)
if ((ctx->progress)(ctx, 5, group,
fs->group_desc_count*2))
goto errout;
- if (csum_flag &&
- (i != ext2fs_blocks_count(fs->super)-1) &&
- ext2fs_bg_flags_test(fs, group,
- EXT2_BG_BLOCK_UNINIT))
- skip_group++;
}
}
if (pctx.blk != NO_BLK)
goto errout;
}
- csum_flag = EXT2_HAS_RO_COMPAT_FEATURE(fs->super,
- EXT4_FEATURE_RO_COMPAT_GDT_CSUM);
+ csum_flag = ext2fs_has_group_desc_csum(fs);
redo_counts:
had_problem = 0;
save_problem = 0;
clear_problem_context(&pctx);
end = ext2fs_get_block_bitmap_start2(fs->block_map) +
- ((blk64_t)EXT2_CLUSTERS_PER_GROUP(fs->super) * fs->group_desc_count) - 1;
+ EXT2_GROUPS_TO_CLUSTERS(fs->super, fs->group_desc_count) - 1;
pctx.errcode = ext2fs_fudge_block_bitmap_end2(fs->block_map, end,
&save_blocks_count);
if (pctx.errcode) {
git://git.whamcloud.com / tools / e2fsprogs.git / blobdiff