Re: Virtual files

2000-07-28 Thread Miklos Szeredi
Jamie Lokier wrote: - The contents of the real file (if there is one) and its virtual derivative aren't synchronised. E.g. if you look inside a tar file or the decompressed version of a .gz file, then changing either the virtual or real files should affect the other. Agreed.

Virtual files (RFC, patch)

2000-07-28 Thread Miklos Szeredi
Hi, Here's a new version of the virtual file patch (against 2.4.0-test5), and the kernel module for avfs/podfuk. It now does: - Clean up automatic mounts when parent is umounted - Clear dcache upon module insert, so virtual files are always found - Correctly handle virtual files in

Re: [announce] forced umount patch (2.4.0-test5-pre5)

2000-07-28 Thread Jamie Lokier
Tigran Aivazian wrote: b) it has serious (though unlikely to occur) race conditions wrt filesystem's module unload and possibly with rename(2). And perhaps with mount(2), which these days seems to do everything rename(2) does and more? -- Jamie

Re: Tailmerging for Ext2

2000-07-28 Thread Daniel Phillips
Alexander Viro wrote: On Wed, 26 Jul 2000, Stephen C. Tweedie wrote: For tail writes, I'd imagine we would just end up using the page cache as a virtual cache as NFS uses it, and doing plain copy into the buffer cache pages. Ouch. I _really_ don't like it - we end up with special