void e2fsck_write_bitmaps(e2fsck_t ctx)
{
ext2_filsys fs = ctx->fs;
errcode_t retval;
if (ext2fs_test_bb_dirty(fs)) {
ehandler_operation(_("writing block bitmaps"));
retval = ext2fs_write_block_bitmap(fs);
ehandler_operation(0);
if (retval) {
com_err(ctx->program_name, retval,
_("while retrying to write block bitmaps for %s"),
ctx->device_name);
fatal_error(ctx, 0);
}
}
if (ext2fs_test_ib_dirty(fs)) {
ehandler_operation(_("writing inode bitmaps"));
retval = ext2fs_write_inode_bitmap(fs);
ehandler_operation(0);
if (retval) {
com_err(ctx->program_name, retval,
_("while retrying to write inode bitmaps for %s"),
ctx->device_name);
fatal_error(ctx, 0);
}
}
}
errcode_t ext2fs_write_bitmaps(ext2_filsys fs)
{
int do_inode = fs->inode_map && ext2fs_test_ib_dirty(fs);
int do_block = fs->block_map && ext2fs_test_bb_dirty(fs);
if (!do_inode && !do_block)
return 0;
return write_bitmaps(fs, do_inode, do_block);
}
static void check_inode_bitmap_checksum(e2fsck_t ctx)
{
struct problem_context pctx;
char *buf;
dgrp_t i;
int nbytes;
ext2_ino_t ino_itr;
errcode_t retval;
if (!EXT2_HAS_RO_COMPAT_FEATURE(ctx->fs->super,
EXT4_FEATURE_RO_COMPAT_METADATA_CSUM))
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_memalign(ctx->fs->blocksize, ctx->fs->blocksize,
&buf);
if (retval) {
com_err(ctx->program_name, 0,
_("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);
}
errcode_t ext2fs_write_bitmaps(ext2_filsys fs)
{
errcode_t retval;
EXT2_CHECK_MAGIC(fs, EXT2_ET_MAGIC_EXT2FS_FILSYS);
if (fs->block_map && ext2fs_test_bb_dirty(fs)) {
retval = ext2fs_write_block_bitmap(fs);
if (retval)
return retval;
}
if (fs->inode_map && ext2fs_test_ib_dirty(fs)) {
retval = ext2fs_write_inode_bitmap(fs);
if (retval)
return retval;
}
return 0;
}
