| Date | Fri, 1 Oct 2010 02:08:27 -0400 | From | Christoph Hellwig <> | Subject | Re: [PATCH 09/17] fs: Make last_ino, iunique independent of inode_lock |
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On Wed, Sep 29, 2010 at 10:18:41PM +1000, Dave Chinner wrote: > From: Nick Piggin <npiggin@suse.de> > > Before removing the inode_lock, we need to make the last_ino and iunique > counters independent of the inode_lock. last_ino can be trivially converted to > an atomic variable, while the iunique counter needs a new lock nested inside > the inode_lock to provide the same protection that the inode_lock previously > provided.
Given that last_ino becomes a per-cpu construct only a few patches later I think there's no point to make it an atomic_t here - just reorder the per-cpu patch before the inode_lock removal.
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