// Return an appropriate score map key for the node, or nil if the score map
// should not be used.
func makeScoreMapKey(
node *fsNode,
clock timeutil.Clock) (key *state.ScoreMapKey) {
// Skip non-files.
if node.Info.Type != fs.TypeFile {
return
}
// If the mtime of the file is not far enough in the past, we don't want to
// do any fancy caching, for fear of race conditions.
const minElapsed = 5 * time.Minute
if clock.Now().Sub(node.Info.MTime) < minElapsed {
return
}
// Return an appropriate key.
key = &state.ScoreMapKey{
Path: node.RelPath,
Permissions: node.Info.Permissions,
Uid: node.Info.Uid,
Gid: node.Info.Gid,
MTime: node.Info.MTime,
Inode: node.Info.Inode,
Size: node.Info.Size,
}
return
}
// Create a new inode with the supplied attributes, which need not contain
// time-related information (the inode object will take care of that).
func newInode(
clock timeutil.Clock,
attrs fuseops.InodeAttributes) (in *inode) {
// Update time info.
now := clock.Now()
attrs.Mtime = now
attrs.Crtime = now
// Create the object.
in = &inode{
clock: clock,
attrs: attrs,
}
return
}