[Virtio-fs] [PATCH 0/3] virtiofsd: add FUSE_INIT map_alignment field

[Stefan Hajnoczi]

The client must know the server's alignment constraints for FUSE_SETUPMAPPING
and FUSE_REMOVEMAPPING.  This is necessary because mmap(2)/munmap(2) have
alignment constraints and the guest may have a different page size from the
host.  The new FUSE_INIT map_alignment field communicates this information to
the client.

Stefan Hajnoczi (3):
  virtiofsd: sync up fuse.h Linux 5.1 header
  virtiofsd: add map_alignment to fuse_kernel.h
  virtiofsd: implement FUSE_INIT map_alignment field

 contrib/virtiofsd/fuse_kernel.h   | 56 +++++++++++++++++++++----------
 contrib/virtiofsd/fuse_lowlevel.c |  8 +++++
 2 files changed, 47 insertions(+), 17 deletions(-)

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2.21.0