Messages in this thread |  | | Date | Fri, 30 Mar 2007 21:04:16 +0200 (MEST) | | From | Jan Engelhardt <> | | Subject | Re: Heads up on VFS based union mount |
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On Mar 30 2007 15:38, Bharata B Rao wrote: > >In union mount approach we maintain this stacking information in the >dentry structure. When a filesytem is union mounted on a mountpoint, >the dentry of the mount root would hold a reference to the mountpoint >dentry as an overlaid dentry and these two dentries together form a >union stack. Any subsequent readdir operation on this union mounted >dentry would work on the overlaid dentry also thereby providing the >merged view of the two filesystems.
What about whiteouts? (I cannot remember whether Jan Blunk's paper mentioned it at all.)
Jan -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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