Linux: Filesystem Namespace Unification

Posted by Scott_Ruecker on Sep 8, 2007 9:58 PM EDT
KernelTrap; By Jeremy Andrews
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Bharata Rao posted a query to the Linux Kernel mailing list looking for ideas on how to best handle filesystem namespace unification with Union Mount, "typically this is done by reading the directory entries of all the union'ed layers (starting from the top and working downwards) and merging the result by eliminating the duplicate entries. This is done by extending the getdents/readdir system calls to support the notion of union'ed directories."

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