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fs: dcache avoid starvation in dcache multi-step operations
author
Nick Piggin
<npiggin@kernel.dk>
Fri, 7 Jan 2011 06:49:39 +0000
(17:49 +1100)
committer
Nick Piggin
<npiggin@kernel.dk>
Fri, 7 Jan 2011 06:50:23 +0000
(17:50 +1100)
Long lived dcache "multi-step" operations which retry on rename seq can
be starved with a lot of rename activity. If they fail after the 1st pass,
take the rename_lock for writing to avoid further starvation.
Signed-off-by: Nick Piggin <npiggin@kernel.dk>
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git.openpandora.org / pandora-kernel.git / commitdiff