pctx->blk = pctx->blk2 = NO_BLK;
pctx->ino = pctx->ino2 = 0;
}
-
+
static void check_block_bitmaps(e2fsck_t ctx)
{
ext2_filsys fs = ctx->fs;
- blk_t i;
+ blk_t i, super;
int *free_array;
int group = 0;
unsigned int blocks = 0;
struct problem_context pctx;
int problem, save_problem, fixit, had_problem;
errcode_t retval;
-
+ int lazy_bg = 0;
+ int skip_group = 0;
+
clear_problem_context(&pctx);
free_array = (int *) e2fsck_allocate_memory(ctx,
fs->group_desc_count * sizeof(int), "free block count array");
fix_problem(ctx, PR_5_BMAP_ENDPOINTS, &pctx);
ctx->flags |= E2F_FLAG_ABORT; /* fatal */
- return;
+ goto errout;
}
-
+
if ((fs->super->s_first_data_block <
ext2fs_get_block_bitmap_start(fs->block_map)) ||
(fs->super->s_blocks_count-1 >
fix_problem(ctx, PR_5_BMAP_ENDPOINTS, &pctx);
ctx->flags |= E2F_FLAG_ABORT; /* fatal */
- return;
+ goto errout;
}
-
+
+ if (EXT2_HAS_COMPAT_FEATURE(fs->super, EXT2_FEATURE_COMPAT_LAZY_BG))
+ lazy_bg++;
+
redo_counts:
had_problem = 0;
save_problem = 0;
pctx.blk = pctx.blk2 = NO_BLK;
+ if (lazy_bg && (fs->group_desc[group].bg_flags &
+ EXT2_BG_BLOCK_UNINIT))
+ skip_group++;
+ super = fs->super->s_first_data_block;
for (i = fs->super->s_first_data_block;
i < fs->super->s_blocks_count;
i++) {
actual = ext2fs_fast_test_block_bitmap(ctx->block_found_map, i);
- bitmap = ext2fs_fast_test_block_bitmap(fs->block_map, i);
-
+
+ if (skip_group) {
+ if ((i >= super) &&
+ (i <= super + fs->desc_blocks) &&
+ ext2fs_bg_has_super(fs, group))
+ bitmap = 1;
+ else if (i == fs->group_desc[group].bg_block_bitmap)
+ bitmap = 1;
+ else if (i == fs->group_desc[group].bg_inode_bitmap)
+ bitmap = 1;
+ else if (i >= fs->group_desc[group].bg_inode_table &&
+ (i < fs->group_desc[group].bg_inode_table
+ + fs->inode_blocks_per_group))
+ bitmap = 1;
+ else
+ bitmap = 0;
+ actual = (actual != 0);
+ } else
+ bitmap = ext2fs_fast_test_block_bitmap(fs->block_map, i);
+
if (actual == bitmap)
goto do_counts;
-
+
if (!actual && bitmap) {
/*
* Block not used, but marked in use in the bitmap.
}
ctx->flags |= E2F_FLAG_PROG_SUPPRESS;
had_problem++;
-
+
do_counts:
- if (!bitmap) {
+ if (!bitmap && !skip_group) {
group_free++;
free_blocks++;
}
group ++;
blocks = 0;
group_free = 0;
+ skip_group = 0;
+ super += fs->super->s_blocks_per_group;
if (ctx->progress)
if ((ctx->progress)(ctx, 5, group,
fs->group_desc_count*2))
- return;
+ goto errout;
+ if (lazy_bg &&
+ (i != fs->super->s_blocks_count-1) &&
+ (fs->group_desc[group].bg_flags &
+ EXT2_BG_BLOCK_UNINIT))
+ skip_group++;
}
}
if (pctx.blk != NO_BLK)
else
fixit = -1;
ctx->flags &= ~E2F_FLAG_PROG_SUPPRESS;
-
+
if (fixit == 1) {
ext2fs_free_block_bitmap(fs->block_map);
retval = ext2fs_copy_bitmap(ctx->block_found_map,
clear_problem_context(&pctx);
fix_problem(ctx, PR_5_COPY_BBITMAP_ERROR, &pctx);
ctx->flags |= E2F_FLAG_ABORT;
- return;
+ goto errout;
}
ext2fs_set_bitmap_padding(fs->block_map);
ext2fs_mark_bb_dirty(fs);
-
+
/* Redo the counts */
blocks = 0; free_blocks = 0; group_free = 0; group = 0;
memset(free_array, 0, fs->group_desc_count * sizeof(int));
} else
ext2fs_unmark_valid(fs);
}
+errout:
ext2fs_free_mem(&free_array);
}
-
+
static void check_inode_bitmaps(e2fsck_t ctx)
{
ext2_filsys fs = ctx->fs;
errcode_t retval;
struct problem_context pctx;
int problem, save_problem, fixit, had_problem;
-
+ int lazy_bg = 0;
+ int skip_group = 0;
+
clear_problem_context(&pctx);
free_array = (int *) e2fsck_allocate_memory(ctx,
fs->group_desc_count * sizeof(int), "free inode count array");
-
+
dir_array = (int *) e2fsck_allocate_memory(ctx,
fs->group_desc_count * sizeof(int), "directory count array");
-
+
if ((1 < ext2fs_get_inode_bitmap_start(ctx->inode_used_map)) ||
- (fs->super->s_inodes_count >
+ (fs->super->s_inodes_count >
ext2fs_get_inode_bitmap_end(ctx->inode_used_map))) {
pctx.num = 3;
pctx.blk = 1;
fix_problem(ctx, PR_5_BMAP_ENDPOINTS, &pctx);
ctx->flags |= E2F_FLAG_ABORT; /* fatal */
- return;
+ goto errout;
}
if ((1 < ext2fs_get_inode_bitmap_start(fs->inode_map)) ||
- (fs->super->s_inodes_count >
+ (fs->super->s_inodes_count >
ext2fs_get_inode_bitmap_end(fs->inode_map))) {
pctx.num = 4;
pctx.blk = 1;
fix_problem(ctx, PR_5_BMAP_ENDPOINTS, &pctx);
ctx->flags |= E2F_FLAG_ABORT; /* fatal */
- return;
+ goto errout;
}
+ if (EXT2_HAS_COMPAT_FEATURE(fs->super,
+ EXT2_FEATURE_COMPAT_LAZY_BG))
+ lazy_bg++;
+
redo_counts:
had_problem = 0;
save_problem = 0;
pctx.ino = pctx.ino2 = 0;
- for (i = 1; i <= fs->super->s_inodes_count; i++) {
+ if (lazy_bg && (fs->group_desc[group].bg_flags &
+ EXT2_BG_INODE_UNINIT))
+ skip_group++;
+
+ /* Protect loop from wrap-around if inodes_count is maxed */
+ for (i = 1; i <= fs->super->s_inodes_count && i > 0; i++) {
actual = ext2fs_fast_test_inode_bitmap(ctx->inode_used_map, i);
- bitmap = ext2fs_fast_test_inode_bitmap(fs->inode_map, i);
-
+ if (skip_group)
+ bitmap = 0;
+ else
+ bitmap = ext2fs_fast_test_inode_bitmap(fs->inode_map, i);
if (actual == bitmap)
goto do_counts;
-
+
if (!actual && bitmap) {
/*
* Inode wasn't used, but marked in bitmap
}
ctx->flags |= E2F_FLAG_PROG_SUPPRESS;
had_problem++;
-
+
do_counts:
- if (!bitmap) {
- group_free++;
- free_inodes++;
- } else {
+ if (bitmap) {
if (ext2fs_test_inode_bitmap(ctx->inode_dir_map, i))
dirs_count++;
+ } else if (!skip_group) {
+ group_free++;
+ free_inodes++;
}
inodes++;
if ((inodes == fs->super->s_inodes_per_group) ||
dir_array[group] = dirs_count;
group ++;
inodes = 0;
+ skip_group = 0;
group_free = 0;
dirs_count = 0;
if (ctx->progress)
if ((ctx->progress)(ctx, 5,
group + fs->group_desc_count,
fs->group_desc_count*2))
- return;
+ goto errout;
+ if (lazy_bg &&
+ (i != fs->super->s_inodes_count) &&
+ (fs->group_desc[group].bg_flags &
+ EXT2_BG_INODE_UNINIT))
+ skip_group++;
}
}
if (pctx.ino)
print_bitmap_problem(ctx, save_problem, &pctx);
-
+
if (had_problem)
fixit = end_problem_latch(ctx, PR_LATCH_IBITMAP);
else
fixit = -1;
ctx->flags &= ~E2F_FLAG_PROG_SUPPRESS;
-
+
if (fixit == 1) {
ext2fs_free_inode_bitmap(fs->inode_map);
retval = ext2fs_copy_bitmap(ctx->inode_used_map,
clear_problem_context(&pctx);
fix_problem(ctx, PR_5_COPY_IBITMAP_ERROR, &pctx);
ctx->flags |= E2F_FLAG_ABORT;
- return;
+ goto errout;
}
ext2fs_set_bitmap_padding(fs->inode_map);
ext2fs_mark_ib_dirty(fs);
goto redo_counts;
} else if (fixit == 0)
ext2fs_unmark_valid(fs);
-
+
for (i = 0; i < fs->group_desc_count; i++) {
if (free_array[i] != fs->group_desc[i].bg_free_inodes_count) {
pctx.group = i;
} else
ext2fs_unmark_valid(fs);
}
+errout:
ext2fs_free_mem(&free_array);
ext2fs_free_mem(&dir_array);
}
}
if (save_inodes_count == end)
return;
-
- for (i = save_inodes_count + 1; i <= end; i++) {
+
+ /* protect loop from wrap-around if end is maxed */
+ for (i = save_inodes_count + 1; i <= end && i > save_inodes_count; i++) {
if (!ext2fs_test_inode_bitmap(fs->inode_map, i)) {
if (fix_problem(ctx, PR_5_INODE_BMAP_PADDING, &pctx)) {
for (i = save_inodes_count + 1; i <= end; i++)
}
if (save_blocks_count == end)
return;
-
- for (i = save_blocks_count + 1; i <= end; i++) {
+
+ /* Protect loop from wrap-around if end is maxed */
+ for (i = save_blocks_count + 1; i <= end && i > save_blocks_count; i++) {
if (!ext2fs_test_block_bitmap(fs->block_map, i)) {
if (fix_problem(ctx, PR_5_BLOCK_BMAP_PADDING, &pctx)) {
for (i = save_blocks_count + 1; i <= end; i++)
git://git.whamcloud.com / tools / e2fsprogs.git / blobdiff