[DragonFlyBSD - Bug #2476] tmpfs namecache(?)

John Marino via Redmine bugtracker-admin at leaf.dragonflybsd.org
Mon Dec 17 00:15:56 PST 2012

Issue #2476 has been reported by John Marino.

Bug #2476: tmpfs namecache(?)

Author: John Marino
Status: New
Priority: Normal
Target version: 

Using cpdup, I directly copied a pfs snapshot to a tmpfs mount:
  mount -t tmpfs tmpfs /path/to/mypoint
  cpdup -x -i0 /path/to/snapshot/ /path/to/mypoint/
  mount -t devfs devfs /path/to/mypoint/dev

(/path/to/snapshot/dev exists, is a directory, and is empty)

The final mount will fail unless a sleep command of a second or two is put between the cpdup and mount commands, or if something accesses mymount point like ls command.

Seems that this is an issue with tmpfs, possibly with namecache according to Venkatesh.

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