quota: Make global quota locks cacheline aligned

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Andrew Morton has suggested that three global quota locks can end up in the
same cacheline which can result in bad cacheline ping-pong on SMP machines.
Make locks cacheline aligned so that we avoid this problem (thanks goes to
Andrew for the idea).

Signed-off-by: Jan Kara <jack@suse.cz>
CC: Andrew Morton <akpm@linux-foundation.org>

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Jan Kara 2009-01-26 15:32:46 +01:00

parent 884d179dff

commit c516610cfe

1 changed files with 3 additions and 3 deletions

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fs/quota/dquot.c

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