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authorHannes Reinecke <hare@suse.de>2014-02-28 18:33:46 +0400
committerMike Snitzer <snitzer@redhat.com>2014-03-28 00:56:25 +0400
commite3bde04f1ecef9d0508af9ea78421863744f552b (patch)
tree848d74aa7167c665e5a828e70f2ad12f11d5df77 /net
parent3e9f1be1b4079bfe689ef6be5174f3177b3fd2aa (diff)
downloadlinux-e3bde04f1ecef9d0508af9ea78421863744f552b.tar.xz
dm mpath: reduce memory pressure when requeuing
When multipath needs to requeue I/O in the block layer the per-request context shouldn't be allocated, as it will be freed immediately afterwards anyway. Avoiding this memory allocation will reduce memory pressure during requeuing. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Mike Snitzer <snitzer@redhat.com> Reviewed-by: Jun'ichi Nomura <j-nomura@ce.jp.nec.com>
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