Re: [Ext2-devel] [PATCH 1/5] Forking ext4 filesystem from ext3 filesystem
Andrew Morton <[email protected]> Thu, 10 Aug 2006 15:18:13 -0700
| Newsgroups | gmane.linux.file-systems,gmane.comp.file-systems.ext2.devel,gmane.linux.kernel |
|---|---|
| Message-ID | <[email protected]> |
On Fri, 11 Aug 2006 01:11:23 +0400 Alex Tomas <[email protected]> wrote: > >> A buffer_head is the kernel's sole abstraction of a disk block. > >> Filesystems use disk blocks a lot, and they need such an abstraction. > > JG> IMO Al Viro work has shown that you can do pagecache I/O without needing > JG> such a heavyweight system. > > in delayed allocation patch for ext3 (ontop of extents) we do use > bio's for data. As does ext3 with `-o writeback,nobh'. - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html