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Boot tinycore iso with qemu/kvm, xfsprogs extention installed. Virtual hardrive partition vda1 mkfs.xfs sucessce. Mount vda1 as xfs failed, error info like: mount /dev/vda1 on mp failed: No such devicemount command must specify " -t xfs" option.
$ sudo mount -t xfs /dev/vda1 /mnt/vda1
CONFIG_XFS_FS=m# CONFIG_XFS_QUOTA is not set# CONFIG_XFS_POSIX_ACL is not set# CONFIG_XFS_RT is not set# CONFIG_XFS_WARN is not set# CONFIG_XFS_DEBUG is not s