Hi Greg, I don't see FUSE_SYNCFS support in virtiofsd. I see that kernel patches got merged. Did you post another version of patches? Will be nice to add syncfs support in virtiofsd/virtiofsd_rs as well. Thanks Vivek On Mon, May 10, 2021 at 05:55:36PM +0200, Greg Kurz wrote: > 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 > >
