From 3d7c9f41ca4ea43339f0bbef3e619ac2f50284c1 Mon Sep 17 00:00:00 2001 From: Boyuan He Date: Tue, 18 Aug 2020 23:09:34 +0000 Subject: Implement FUSE_SYMLINK Fixes #3452 --- pkg/abi/linux/fuse.go | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) (limited to 'pkg/abi/linux') diff --git a/pkg/abi/linux/fuse.go b/pkg/abi/linux/fuse.go index 97d960096..ea5a7fd43 100644 --- a/pkg/abi/linux/fuse.go +++ b/pkg/abi/linux/fuse.go @@ -456,3 +456,30 @@ func (r *FUSEMknodIn) MarshalUnsafe(buf []byte) { func (r *FUSEMknodIn) SizeBytes() int { return r.MknodMeta.SizeBytes() + len(r.Name) + 1 } + +// FUSESymLinkIn is the request sent by the kernel to the daemon, +// to create a symbolic link. +// +// Dynamically-sized objects cannot be marshalled. +type FUSESymLinkIn struct { + marshal.StubMarshallable + + // Name of symlink to create. + Name string + + // Target of the symlink. + Target string +} + +// MarshalUnsafe serializes r.Name and r.Target to the dst buffer. +// Left null-termination at end of r.Name and r.Target. +func (r *FUSESymLinkIn) MarshalUnsafe(buf []byte) { + copy(buf, r.Name) + copy(buf[len(r.Name)+1:], r.Target) +} + +// SizeBytes is the size of the memory representation of FUSESymLinkIn. +// 2 extra bytes for null-terminated string. +func (r *FUSESymLinkIn) SizeBytes() int { + return len(r.Name) + len(r.Target) + 2 +} -- cgit v1.2.3