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Date: Tue, 06 Jul 2010 21:29:53 -0500 From: Eric Sandeen <sandeen@...hat.com> To: Daniel Taylor <Daniel.Taylor@....com> CC: tytso@....edu, amir73il@...il.com, linux-ext4@...r.kernel.org Subject: Re: inconsistent file placement Daniel Taylor wrote: >> -----Original Message----- >> From: tytso@....edu [mailto:tytso@....edu] ... >> Speaking of fallocate.... if this is a NAS box than the file is >> probably written using CIFS, right? Are you using a modern version of >> Samba? > > Currently, we're on 3.2.5 of smdb, but that's because the later versions > work less well with ext3. We will be testing them with ext4 now that > we see the other options it offers. > > Soon as I can get the fallocate utility cross-built, there are some > experiments that I want to run, but those will take a couple of days. > > Thanks again for all of your help. http://sandeen.fedorapeople.org/utilities/fallocate.c should be a simple compilable utility, or if for some reason you don't have it in your glibc, you can call the syscall directly with: http://sandeen.fedorapeople.org/utilities/fallocate-via-syscall.c (you may need to define SYS_fallocate & massage appropriately depending on the architecture) The tool in util-linux-ng is similar, and I think started with this code, but its a quick hack so look out for bugs ;) -Eric -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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