fs/f2fs/segment.c

1833 /* This should be covered by global mutex, &sit_i->sentry_lock */
2393 	struct sit_info *sit_i = SIT_I(sbi);
2395 	if (!__test_and_set_bit(segno, sit_i->dirty_sentries_bitmap)) {
2396 		sit_i->dirty_sentries++;
2606 	struct sit_info *sit_i = SIT_I(sbi);
2618 	down_write(&sit_i->sentry_lock);
2640 	up_write(&sit_i->sentry_lock);
2645 	struct sit_info *sit_i = SIT_I(sbi);
2653 	down_read(&sit_i->sentry_lock);
2662 	up_read(&sit_i->sentry_lock);
3754 	struct sit_info *sit_i = SIT_I(sbi);
3765 	down_write(&sit_i->sentry_lock);
3851 	up_write(&sit_i->sentry_lock);
3876 	up_write(&sit_i->sentry_lock);
4093 	struct sit_info *sit_i = SIT_I(sbi);
4129 	down_write(&sit_i->sentry_lock);
4173 	up_write(&sit_i->sentry_lock);
4536 	struct sit_info *sit_i = SIT_I(sbi);
4547 	set_to_next_sit(sit_i, start);
4644 	struct sit_info *sit_i = SIT_I(sbi);
4645 	unsigned long *bitmap = sit_i->dirty_sentries_bitmap;
4653 	down_write(&sit_i->sentry_lock);
4655 	if (!sit_i->dirty_sentries)
4669 	if (!__has_cursum_space(journal, sit_i->dirty_sentries, SIT_JOURNAL) ||
4725 				sit_offset = SIT_ENTRY_OFFSET(sit_i, segno);
4739 			sit_i->dirty_sentries--;
4753 	f2fs_bug_on(sbi, sit_i->dirty_sentries);
4763 	up_write(&sit_i->sentry_lock);
4771 	struct sit_info *sit_i;
4778 	sit_i = f2fs_kzalloc(sbi, sizeof(struct sit_info), GFP_KERNEL);
4779 	if (!sit_i)
4782 	SM_I(sbi)->sit_info = sit_i;
4784 	sit_i->sentries =
4788 	if (!sit_i->sentries)
4792 	sit_i->dirty_sentries_bitmap = f2fs_kvzalloc(sbi, main_bitmap_size,
4794 	if (!sit_i->dirty_sentries_bitmap)
4802 	sit_i->bitmap = f2fs_kvzalloc(sbi, bitmap_size, GFP_KERNEL);
4803 	if (!sit_i->bitmap)
4806 	bitmap = sit_i->bitmap;
4809 		sit_i->sentries[start].cur_valid_map = bitmap;
4812 		sit_i->sentries[start].ckpt_valid_map = bitmap;
4816 		sit_i->sentries[start].cur_valid_map_mir = bitmap;
4821 			sit_i->sentries[start].discard_map = bitmap;
4826 	sit_i->tmp_map = f2fs_kzalloc(sbi, SIT_VBLOCK_MAP_SIZE, GFP_KERNEL);
4827 	if (!sit_i->tmp_map)
4831 		sit_i->sec_entries =
4835 		if (!sit_i->sec_entries)
4846 	sit_i->sit_bitmap = kmemdup(src_bitmap, sit_bitmap_size, GFP_KERNEL);
4847 	if (!sit_i->sit_bitmap)
4851 	sit_i->sit_bitmap_mir = kmemdup(src_bitmap,
4853 	if (!sit_i->sit_bitmap_mir)
4856 	sit_i->invalid_segmap = f2fs_kvzalloc(sbi,
4858 	if (!sit_i->invalid_segmap)
4862 	sit_i->sit_base_addr = le32_to_cpu(raw_super->sit_blkaddr);
4863 	sit_i->sit_blocks = SEGS_TO_BLKS(sbi, sit_segs);
4864 	sit_i->written_valid_blocks = 0;
4865 	sit_i->bitmap_size = sit_bitmap_size;
4866 	sit_i->dirty_sentries = 0;
4867 	sit_i->sents_per_block = SIT_ENTRY_PER_BLOCK;
4868 	sit_i->elapsed_time = le64_to_cpu(sbi->ckpt->elapsed_time);
4869 	sit_i->mounted_time = ktime_get_boottime_seconds();
4870 	init_rwsem(&sit_i->sentry_lock);
4938 	struct sit_info *sit_i = SIT_I(sbi);
4953 		start = start_blk * sit_i->sents_per_block;
4954 		end = (start_blk + readed) * sit_i->sents_per_block;
4960 			se = &sit_i->sentries[start];
4965 			sit = sit_blk->entries[SIT_ENTRY_OFFSET(sit_i, start)];
5017 		se = &sit_i->sentries[start];
5637 	struct sit_info *sit_i = SIT_I(sbi);
5640 	down_write(&sit_i->sentry_lock);
5642 	sit_i->min_mtime = ULLONG_MAX;
5649 		if (sit_i->min_mtime > mtime)
5650 			sit_i->min_mtime = mtime;
5652 	sit_i->max_mtime = get_mtime(sbi, false);
5653 	sit_i->dirty_max_mtime = 0;
5654 	up_write(&sit_i->sentry_lock);
5801 	struct sit_info *sit_i = SIT_I(sbi);
5803 	if (!sit_i)
5806 	if (sit_i->sentries)
5807 		kvfree(sit_i->bitmap);
5808 	kfree(sit_i->tmp_map);
5810 	kvfree(sit_i->sentries);
5811 	kvfree(sit_i->sec_entries);
5812 	kvfree(sit_i->dirty_sentries_bitmap);
5815 	kfree(sit_i->sit_bitmap);
5817 	kfree(sit_i->sit_bitmap_mir);
5818 	kvfree(sit_i->invalid_segmap);
5820 	kfree(sit_i);