On Thu, Jul 2, 2009 at 2:22 PM, Mike Gerdts<mger...@gmail.com> wrote: > On Thu, Jul 2, 2009 at 8:07 AM, Peter Tribble<peter.trib...@gmail.com> wrote: >> We've just stumbled across an interesting problem in one of our >> applications that fails when run on a ZFS filesystem. >> >> I don't have the code, so I can't fix it at source, but it's relying >> on the fact that if you do readdir() on a directory, the files come >> back in the order they were added to the directory. This appears >> to be true (within certain limitations) on UFS, but certainly isn't >> true on ZFS. >> >> Is there any way to force readdir() to return files in a specific order? >> (On UFS, we have a scipt that creates symlinks in the correct order. >> Ugly, but seems to have worked for many years.) >> >> If not, I was looking at interposing my own readdir() (that's assuming >> the application is using readdir()) that actually returns the entries in >> the desired order. However, I'm having a bit of trouble hacking this >> together (the current source doesn't compile in isolation on my S10 >> machine). > > Is one of these your starting point? What errors are you seeing? > > http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/lib/libc/port/gen/readdir.c > http://src.opensolaris.org/source/xref/onnv/onnv-gate/usr/src/lib/libbc/libc/gen/common/readdir.c > > The libbc version hasn't changed since the code became public. You > can get to an older libc variant of it by clicking on the history link > or using the appropriate hg command to get a specific changeset.
OpenGrok pointed me at the second one, which doesn't seem to want to play. I'm having some success with the first one though. Thanks! -- -Peter Tribble http://www.petertribble.co.uk/ - http://ptribble.blogspot.com/ _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
