Author aklauer
Recipients aklauer, amaury.forgeotdarc, jcea, kristjan.jonsson, loewis, pitrou, rhettinger
Date 2012-03-20.21:59:42
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Message-id <1332280783.06.0.991652241657.issue10142@psf.upfronthosting.co.za>
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> ZFS supports SEEK_HOLE/SEEK_DATA in "lseek()" syscall.
> The feature has patches available too for Linux, but never integrated in mainline kernel, AFAIK.
> it is difficult to write a testcase when I can only test under a system with ZFS

I don't know if this could help, but recently Linux did get some commits regarding SEEK_HOLE/SEEK_DATA ( e.g. http://git.kernel.org/linus/982d816581eeeacfe5b2b7c6d47d13a157616eff ). I haven't tested whether it works / which filesystems support it. Grepping the Linux sources for SEEK_HOLES gives me several hits, e.g. for btrfs.
History
Date User Action Args
2012-03-20 21:59:43aklauersetrecipients: + aklauer, loewis, rhettinger, jcea, amaury.forgeotdarc, pitrou, kristjan.jonsson
2012-03-20 21:59:43aklauersetmessageid: <1332280783.06.0.991652241657.issue10142@psf.upfronthosting.co.za>
2012-03-20 21:59:42aklauerlinkissue10142 messages
2012-03-20 21:59:42aklauercreate