SEEK_HOLE and SEEK_DATA for sparse files any takers?

[Pedro F Giffuni]

Hi;

>From http://blogs.sun.com/bonwick/date/200512

"At this writing, SEEK_HOLE and SEEK_DATA are Solaris-specific. I encourage
(implore? beg?) other operating systems to adopt these lseek(2) extensions
verbatim (100% tax-free) so that sparse file navigation becomes a ubiquitous
feature that every backup and archiving program can rely on. It's long
overdue."

It should be mentioned that linux adopted them and they would help the ZFS
port.

cheers,

Pedro

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