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Date: Mon, 30 Jul 2007 18:13:23 +0200 From: Jan Blunck <jblunck@...e.de> To: linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org Cc: Bharata B Rao <bharata@...ux.vnet.ibm.com> Subject: [RFC 00/26] VFS based Union Mount (V2) Here is another post of the VFS based union mount implementation. Unlike the traditional mount which hides the contents of the mount point, union mounts present the merged view of the mount point and the mounted filesytem. Recent changes: - brand new union structure no longer tied to the dentryn, now works with bind mounts - generic part of the whiteout patches extracted - introduces MS_WHITEOUT to make the white-out patches independant of the union-mount stuff - uses a singleton whiteout inode for the tmpfs filesystem (I need to fix this for ext2/3, too) - renaming files on unions uses copyup now - rewrote the union mount debugging code: it is now debugfs/relay based. - random cleanups I'm able to compile the kernel with this patches applied on a 3 layer union mount with the seperate layers bind mounted to different locations. I haven't done any performance tests since I think there is a more important topic ahead: better readdir() support. This series is against 2.6.22-rc6-mm1. Comments are welcome, Jan -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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