Ejemplos de f2fs_inode_chksum en C++ (Cpp)

Ejemplo n.º 1

Archivo: inode.c Proyecto: Lyude/linux

bool f2fs_inode_chksum_verify(struct f2fs_sb_info *sbi, struct page *page)
{
	struct f2fs_inode *ri;
	__u32 provided, calculated;

	if (unlikely(is_sbi_flag_set(sbi, SBI_IS_SHUTDOWN)))
		return true;

#ifdef CONFIG_F2FS_CHECK_FS
	if (!f2fs_enable_inode_chksum(sbi, page))
#else
	if (!f2fs_enable_inode_chksum(sbi, page) ||
			PageDirty(page) || PageWriteback(page))
#endif
		return true;

	ri = &F2FS_NODE(page)->i;
	provided = le32_to_cpu(ri->i_inode_checksum);
	calculated = f2fs_inode_chksum(sbi, page);

	if (provided != calculated)
		f2fs_msg(sbi->sb, KERN_WARNING,
			"checksum invalid, ino = %x, %x vs. %x",
			ino_of_node(page), provided, calculated);

	return provided == calculated;
}

Ejemplo n.º 2

Archivo: inode.c Proyecto: Lyude/linux

void f2fs_inode_chksum_set(struct f2fs_sb_info *sbi, struct page *page)
{
	struct f2fs_inode *ri = &F2FS_NODE(page)->i;

	if (!f2fs_enable_inode_chksum(sbi, page))
		return;

	ri->i_inode_checksum = cpu_to_le32(f2fs_inode_chksum(sbi, page));
}

Ejemplo n.º 3

Archivo: dir.c Proyecto: arter97/android_external_f2fs-tools

static void init_inode_block(struct f2fs_sb_info *sbi,
		struct f2fs_node *node_blk, struct dentry *de)
{
	struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
	mode_t mode = de->mode;
	int links = 1;
	unsigned int size;
	int blocks = 1;

	if (de->file_type == F2FS_FT_DIR) {
		mode |= S_IFDIR;
		size = 4096;
		links++;
		blocks++;
	} else if (de->file_type == F2FS_FT_REG_FILE) {
		mode |= S_IFREG;
		size = 0;
	} else if (de->file_type == F2FS_FT_SYMLINK) {
		ASSERT(de->link);
		mode |= S_IFLNK;
		size = strlen(de->link);
		if (size + 1 > MAX_INLINE_DATA(node_blk))
			blocks++;
	} else {
		ASSERT(0);
	}

	node_blk->i.i_mode = cpu_to_le16(mode);
	node_blk->i.i_advise = 0;
	node_blk->i.i_uid = cpu_to_le32(de->uid);
	node_blk->i.i_gid = cpu_to_le32(de->gid);
	node_blk->i.i_links = cpu_to_le32(links);
	node_blk->i.i_size = cpu_to_le32(size);
	node_blk->i.i_blocks = cpu_to_le32(blocks);
	node_blk->i.i_atime = cpu_to_le64(de->mtime);
	node_blk->i.i_ctime = cpu_to_le64(de->mtime);
	node_blk->i.i_mtime = cpu_to_le64(de->mtime);
	node_blk->i.i_atime_nsec = 0;
	node_blk->i.i_ctime_nsec = 0;
	node_blk->i.i_mtime_nsec = 0;
	node_blk->i.i_generation = 0;
	node_blk->i.i_current_depth = cpu_to_le32(1);
	node_blk->i.i_xattr_nid = 0;
	node_blk->i.i_flags = 0;
	node_blk->i.i_inline = F2FS_INLINE_XATTR;
	node_blk->i.i_pino = cpu_to_le32(de->pino);
	node_blk->i.i_namelen = cpu_to_le32(de->len);
	memcpy(node_blk->i.i_name, de->name, de->len);
	node_blk->i.i_name[de->len] = 0;

	if (c.feature & cpu_to_le32(F2FS_FEATURE_EXTRA_ATTR)) {
		node_blk->i.i_inline |= F2FS_EXTRA_ATTR;
		node_blk->i.i_extra_isize =
				cpu_to_le16(F2FS_TOTAL_EXTRA_ATTR_SIZE);
	}

	node_blk->footer.ino = cpu_to_le32(de->ino);
	node_blk->footer.nid = cpu_to_le32(de->ino);
	node_blk->footer.flag = 0;
	node_blk->footer.cp_ver = ckpt->checkpoint_ver;

	if (S_ISDIR(mode))
		make_empty_dir(sbi, node_blk);
	else if (S_ISLNK(mode))
		page_symlink(sbi, node_blk, de->link, size);

	if (c.feature & cpu_to_le32(F2FS_FEATURE_INODE_CHKSUM))
		node_blk->i.i_inode_checksum =
			cpu_to_le32(f2fs_inode_chksum(node_blk));
}