[PATCH 03/12] repair: allocate and free extent records individually

Dave Chinner david at fromorbit.com
Mon Dec 12 17:21:40 CST 2011


On Fri, Dec 02, 2011 at 12:46:22PM -0500, Christoph Hellwig wrote:
> Instead of allocating inode records in chunks and keeping a freelist of them
> which gets released to the system memory allocator in one go use plain malloc
> and free for them.  The freelist just means adding a global lock instead
> of relying on malloc and free which could be implemented lockless.  In
> addition smart allocators like tcmalloc have far less overhead than our
> chunk and linked list.
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>

Same context as the last patch - seems much better to rely on malloc
to get this right.

Reviewed-by: Dave Chinner <dchinner at redhat.com>

-- 
Dave Chinner
david at fromorbit.com




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