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Andrew Morton authored
From: Ian Kent <raven@themaw.net> Remove BKL from autofs4 module and add spinlock to serialise access to the automount daemon communication waitq. Locking requirements are different in 2.6 and so I'm seeking comments and suggestions on this. I have taken a rather heavy handed approach to this in the patch. For example, the VFS operations that directly change the filesystem, such as autofs4_mkdir etc, hold the inode semaphore on entry so the BKL has been removed. I can't see why two locking mechanisms are needed. Rather than add locking all over the place, I'm looking for justification it's needed, as I don't see it myself.
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