FUSE_SYNCFS allows the client to flush the host page cache. This isn't available in upstream linux yet, but the following tree can be used to test: https://gitlab.com/gkurz/linux/-/tree/virtio-fs-sync v3: - track submounts and do per-submount syncfs() (Vivek) - based on new version of FUSE_SYNCFS (still not upstream) https://listman.redhat.com/archives/virtio-fs/2021-May/msg00025.html v2: - based on new version of FUSE_SYNCFS https://listman.redhat.com/archives/virtio-fs/2021-April/msg00166.html - propagate syncfs() errors to client (Vivek) Greg Kurz (3): Update linux headers to 5.13-rc1 + FUSE_SYNCFS virtiofsd: Track mounts virtiofsd: Add support for FUSE_SYNCFS request .../infiniband/hw/vmw_pvrdma/pvrdma_verbs.h | 35 - include/standard-headers/drm/drm_fourcc.h | 23 +- include/standard-headers/linux/ethtool.h | 109 ++- include/standard-headers/linux/fuse.h | 27 +- include/standard-headers/linux/input.h | 2 +- include/standard-headers/linux/virtio_ids.h | 2 + .../standard-headers/rdma/vmw_pvrdma-abi.h | 7 + linux-headers/asm-generic/unistd.h | 13 +- linux-headers/asm-mips/unistd_n32.h | 752 +++++++-------- linux-headers/asm-mips/unistd_n64.h | 704 +++++++------- linux-headers/asm-mips/unistd_o32.h | 844 ++++++++--------- linux-headers/asm-powerpc/kvm.h | 2 + linux-headers/asm-powerpc/unistd_32.h | 857 +++++++++--------- linux-headers/asm-powerpc/unistd_64.h | 801 ++++++++-------- linux-headers/asm-s390/unistd_32.h | 5 + linux-headers/asm-s390/unistd_64.h | 5 + linux-headers/asm-x86/kvm.h | 1 + linux-headers/asm-x86/unistd_32.h | 5 + linux-headers/asm-x86/unistd_64.h | 5 + linux-headers/asm-x86/unistd_x32.h | 5 + linux-headers/linux/kvm.h | 134 +++ linux-headers/linux/userfaultfd.h | 36 +- linux-headers/linux/vfio.h | 35 + tools/virtiofsd/fuse_lowlevel.c | 11 + tools/virtiofsd/fuse_lowlevel.h | 12 + tools/virtiofsd/passthrough_ll.c | 80 +- tools/virtiofsd/passthrough_seccomp.c | 1 + 27 files changed, 2465 insertions(+), 2048 deletions(-) -- 2.26.3
