Eric Sandeen wrote: > Rahul Sundaram wrote: >> Eric Sandeen wrote: >>> James Ralston wrote: >>> >>>> If the latter, is there an interface for fallocate() that doesn't have >>>> quite as much FAIL as posix_fallocate()? >>> yes, plain ol' fallocate(2), I think: >>> >>> #include <linux/falloc.h> >>> >>> long fallocate(int fd, int mode, loff_t offset, loff_t len); >>> >>> but you need a very recent glibc to get it: >>> >>> http://sourceware.org/bugzilla/show_bug.cgi?id=7083#c1 >>> >>> it'd be great if we could get that into F11... >>> >>> BTW, ext4, xfs, btrfs, and ocfs2 all support ->fallocate. >> Shouldn't we getting the new glibc and file RFE's against RPM, the >> torrent clients etc? > > Ah, just checked and it's already in our rawhide glibc, yay :) didn't > realize that. > > http://sandeen.fedorapeople.org/utilities/fallocate.c > > is a simple tool to exercise it, FWIW. oh and (sorry for the spam) http://sandeen.fedorapeople.org/utilities/fiemap-test-new.c is a tool which can help show you the resulting file layout. It needs fiemap.h which only recently started getting packaged up in kernel-headers. -Eric -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list
