C++ (Cpp) xfs_log_check_lsn Beispiele

Beispiel #1

Datei: xfs_symlink_remote.c Projekt: Anjali05/linux

static xfs_failaddr_t
xfs_symlink_verify(
	struct xfs_buf		*bp)
{
	struct xfs_mount	*mp = bp->b_target->bt_mount;
	struct xfs_dsymlink_hdr	*dsl = bp->b_addr;

	if (!xfs_sb_version_hascrc(&mp->m_sb))
		return __this_address;
	if (!xfs_verify_magic(bp, dsl->sl_magic))
		return __this_address;
	if (!uuid_equal(&dsl->sl_uuid, &mp->m_sb.sb_meta_uuid))
		return __this_address;
	if (bp->b_bn != be64_to_cpu(dsl->sl_blkno))
		return __this_address;
	if (be32_to_cpu(dsl->sl_offset) +
				be32_to_cpu(dsl->sl_bytes) >= XFS_SYMLINK_MAXLEN)
		return __this_address;
	if (dsl->sl_owner == 0)
		return __this_address;
	if (!xfs_log_check_lsn(mp, be64_to_cpu(dsl->sl_lsn)))
		return __this_address;

	return NULL;
}

Beispiel #2

Datei: xfs_dir2_block.c Projekt: SantoshShilimkar/linux

static bool
xfs_dir3_block_verify(
	struct xfs_buf		*bp)
{
	struct xfs_mount	*mp = bp->b_target->bt_mount;
	struct xfs_dir3_blk_hdr	*hdr3 = bp->b_addr;

	if (xfs_sb_version_hascrc(&mp->m_sb)) {
		if (hdr3->magic != cpu_to_be32(XFS_DIR3_BLOCK_MAGIC))
			return false;
		if (!uuid_equal(&hdr3->uuid, &mp->m_sb.sb_meta_uuid))
			return false;
		if (be64_to_cpu(hdr3->blkno) != bp->b_bn)
			return false;
		if (!xfs_log_check_lsn(mp, be64_to_cpu(hdr3->lsn)))
			return false;
	} else {
		if (hdr3->magic != cpu_to_be32(XFS_DIR2_BLOCK_MAGIC))
			return false;
	}
	if (__xfs_dir3_data_check(NULL, bp))
		return false;
	return true;
}