fs/ext4/ext4_journal.c

38 	struct ext_filesystem *fs = get_fs();
61 	if (fs->blksz == 4096) {
62 		temp = zalloc(fs->blksz);
65 		journal_ptr[gindex]->buf = zalloc(fs->blksz);
68 		ext4fs_devread(0, 0, fs->blksz, temp);
69 		memcpy(temp + SUPERBLOCK_SIZE, fs->sb, SUPERBLOCK_SIZE);
70 		memcpy(journal_ptr[gindex]->buf, temp, fs->blksz);
74 		journal_ptr[gindex]->buf = zalloc(fs->blksz);
77 		memcpy(journal_ptr[gindex]->buf, fs->sb, SUPERBLOCK_SIZE);
95 	struct ext_filesystem *fs = get_fs();
101 				(uint64_t)fs->blksz), dirty_block_ptr[i]->buf,
102 								fs->blksz);
132 	struct ext_filesystem *fs = get_fs();
134 	long int var = fs->gdtable_blkno;
135 	for (i = 0; i < fs->no_blk_pergdt; i++) {
136 		journal_ptr[gindex]->buf = zalloc(fs->blksz);
139 		memcpy(journal_ptr[gindex]->buf, gd_table, fs->blksz);
140 		gd_table += fs->blksz;
154 	struct ext_filesystem *fs = get_fs();
169 	journal_ptr[gindex]->buf = zalloc(fs->blksz);
173 	memcpy(journal_ptr[gindex]->buf, journal_buffer, fs->blksz);
186 	struct ext_filesystem *fs = get_fs();
194 		dirty_block_ptr[gd_index]->buf = zalloc(fs->blksz);
198 	memcpy(dirty_block_ptr[gd_index]->buf, metadata_buffer, fs->blksz);
241 	struct ext_filesystem *fs = get_fs();
252 	node->content = zalloc(fs->blksz);
255 	memcpy(node->content, buffer, fs->blksz);
332 	struct ext_filesystem *fs = get_fs();
339 	char *temp_buff = zalloc(fs->blksz);
340 	char *metadata_buff = zalloc(fs->blksz);
348 	ext4fs_devread((lbaint_t)blknr * fs->sect_perblk, 0, fs->blksz,
358 		if (ofs > fs->blksz)
373 		ext4fs_devread((lbaint_t)blknr * fs->sect_perblk, 0,
374 			       fs->blksz, metadata_buff);
375 		put_ext4((uint64_t)((uint64_t)be32_to_cpu(tag->block) * (uint64_t)fs->blksz),
376 			 metadata_buff, (uint32_t) fs->blksz);
407 	struct ext_filesystem *fs = get_fs();
409 	if (le32_to_cpu(fs->sb->feature_ro_compat) & EXT4_FEATURE_RO_COMPAT_METADATA_CSUM)
412 	temp_buff = zalloc(fs->blksz);
415 	temp_buff1 = zalloc(fs->blksz);
424 	ext4fs_devread((lbaint_t)blknr * fs->sect_perblk, 0, fs->blksz,
428 	if (le32_to_cpu(fs->sb->feature_incompat) & EXT3_FEATURE_INCOMPAT_RECOVER) {
448 		memset(temp_buff1, '\0', fs->blksz);
449 		ext4fs_devread((lbaint_t)blknr * fs->sect_perblk,
450 			       0, fs->blksz, temp_buff1);
472 				if (ofs > fs->blksz)
529 		ext4_read_superblock((char *)fs->sb);
530 		new_feature_incompat = le32_to_cpu(fs->sb->feature_incompat);
532 		fs->sb->feature_incompat = cpu_to_le32(new_feature_incompat);
536 			 (struct ext2_sblock *)fs->sb,
538 		ext4_read_superblock((char *)fs->sb);
542 		put_ext4((uint64_t) ((uint64_t)blknr * (uint64_t)fs->blksz),
544 			 (uint32_t) fs->blksz);
563 	struct ext_filesystem *fs = get_fs();
564 	char *temp_buff = zalloc(fs->blksz);
571 	ext4fs_devread((lbaint_t)jsb_blknr * fs->sect_perblk, 0, fs->blksz,
578 	buf = zalloc(fs->blksz);
601 	put_ext4((uint64_t) ((uint64_t)blknr * (uint64_t)fs->blksz), buf, (uint32_t) fs->blksz);
610 	struct ext_filesystem *fs = get_fs();
615 	char *temp_buff = zalloc(fs->blksz);
623 	ext4fs_devread((lbaint_t)jsb_blknr * fs->sect_perblk, 0, fs->blksz,
630 	buf = zalloc(fs->blksz);
636 	put_ext4((uint64_t) ((uint64_t)blknr * (uint64_t)fs->blksz), buf, (uint32_t) fs->blksz);
645 	struct ext_filesystem *fs = get_fs();
649 	if (!(fs->sb->feature_compatibility & EXT4_FEATURE_COMPAT_HAS_JOURNAL))
660 		put_ext4((uint64_t) ((uint64_t)blknr * (uint64_t)fs->blksz),
661 			 journal_ptr[i]->buf, fs->blksz);