Recent versions of Linux at least have an O_NOATIME flag which
privileged processes can use. That would enable this feature to be
provided without the annoying ctime side-effect, at least on systems
with O_NOATIME.
Also, it's not clear which of the two possible atime-related features
this report is asking for:
1. atime on source files: do not modify and/or attempt to reset
after reading
2. atime on destination files: copy from source
You might think that (2) depends on (1) but this isn't the case. I'm
using LVM snapshots to provide (1) independently - ie, the source fs
is apparently readonly - so (2) would be independently useful.
Ian.
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