Re: [PATCH 1/5] fallocate() implementation in i86, x86_64 and powerpc

2007-06-30 Thread Christoph Hellwig
On Thu, Jun 14, 2007 at 03:14:58AM -0600, Andreas Dilger wrote: I suppose it might be a bit late in the game to add a goal parameter and e.g. FA_FL_REQUIRE_GOAL, FA_FL_NEAR_GOAL, etc to make the API more suitable for XFS? The goal could be a single __u64, or a struct with e.g. __u64 byte

Re: [PATCH 4/7][TAKE5] support new modes in fallocate

2007-06-30 Thread Christoph Hellwig
On Tue, Jun 26, 2007 at 04:02:47PM +0530, Amit K. Arora wrote: Can you clarify - what is the current behaviour when ENOSPC (or some other error) is hit? Does it keep the current fallocate() or does it free it? Currently it is left on the file system implementation. In ext4, we do not undo

Re: fallocate support for bitmap-based files

2007-06-30 Thread Mingming Cao
On Fri, 2007-06-29 at 13:01 -0700, Andrew Morton wrote: Guys, Mike and Sreenivasa at google are looking into implementing fallocate() on ext2. Of course, any such implementation could and should also be portable to ext3 and ext4 bitmapped files. I believe that Sreenivasa will mainly be

Re: fallocate support for bitmap-based files

2007-06-30 Thread Mingming Cao
On Sat, 2007-06-30 at 01:14 -0400, Andreas Dilger wrote: On Jun 29, 2007 18:26 -0400, Mike Waychison wrote: Andreas Dilger wrote: I don't think ext2 is safe for 8TB filesystems anyways, so this isn't a huge loss. This is reference to the idea of overloading the high-bit and not

Re: [RFC] BIG_BG vs extended META_BG in ext4

2007-06-30 Thread Jose R. Santos
On Sat, 30 Jun 2007 01:51:25 -0400 Andreas Dilger [EMAIL PROTECTED] wrote: I don't think there is actually any fundamental difference between these proposals. The reality is that we cannot change the semantics of the META_BG flag at this point, since both e2fsprogs and ext3/ext4 in the kernel

Re: [RFC] BIG_BG vs extended META_BG in ext4

2007-06-30 Thread Jose R. Santos
On Sat, 30 Jun 2007 11:06:16 -0400 Laurent Vivier [EMAIL PROTECTED] wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Le 29 juin 07 à 18:09, Jose R. Santos a écrit : Hi Jose, Hi Laurent, Seems like your emails are not making it to the mailing list. I got them fine though. Thank you