Пример #1
0
// childLookup fills entry information for a newly created child inode
func (c *rawBridge) childLookup(out *fuse.EntryOut, n *Inode, context *fuse.Context) {
	n.Node().GetAttr((*fuse.Attr)(&out.Attr), nil, context)
	n.mount.fillEntry(out)
	out.NodeId, out.Generation = c.fsConn().lookupUpdate(n)
	if out.Ino == 0 {
		out.Ino = out.NodeId
	}
	if out.Nlink == 0 {
		// With Nlink == 0, newer kernels will refuse link
		// operations.
		out.Nlink = 1
	}
}
Пример #2
0
func (c *rawBridge) Lookup(header *fuse.InHeader, name string, out *fuse.EntryOut) (code fuse.Status) {
	parent := c.toInode(header.NodeId)
	if !parent.IsDir() {
		log.Printf("Lookup %q called on non-Directory node %d", name, header.NodeId)
		return fuse.ENOTDIR
	}
	outAttr := (*fuse.Attr)(&out.Attr)
	child, code := c.fsConn().internalLookup(outAttr, parent, name, header)
	if code == fuse.ENOENT && parent.mount.negativeEntry(out) {
		return fuse.OK
	}
	if !code.Ok() {
		return code
	}
	if child == nil {
		log.Println("Lookup returned fuse.OK with nil child", name)
	}

	child.mount.fillEntry(out)
	out.NodeId, out.Generation = c.fsConn().lookupUpdate(child)
	if out.Ino == 0 {
		out.Ino = out.NodeId
	}

	return fuse.OK
}
Пример #3
0
func (m *fileSystemMount) fillEntry(out *fuse.EntryOut) {
	splitDuration(m.options.EntryTimeout, &out.EntryValid, &out.EntryValidNsec)
	splitDuration(m.options.AttrTimeout, &out.AttrValid, &out.AttrValidNsec)
	m.setOwner(&out.Attr)
	if out.Mode&fuse.S_IFDIR == 0 && out.Nlink == 0 {
		out.Nlink = 1
	}
}
Пример #4
0
// Creates a return entry for a non-existent path.
func (m *fileSystemMount) negativeEntry(out *fuse.EntryOut) bool {
	if m.options.NegativeTimeout > 0.0 {
		out.NodeId = 0
		splitDuration(m.options.NegativeTimeout, &out.EntryValid, &out.EntryValidNsec)
		return true
	}
	return false
}