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由 Noboru Iwamatsu 提交于
Under heavy I/O load, writing the disk heartbeat can be forced to wait for minutes, and this causes the node to be fenced. This patch tries to use WRITE_SYNC in submitting the heartbeat bio, so that writing the heartbeat will have a priority over other requests. Signed-off-by: NNoboru Iwamatsu <n_iwamatsu@jp.fujitsu.com> Acked-by: NTao Ma <tm@tao.ma> Acked-by: NSunil Mushran <sunil.mushran@gmail.com> Cc: Srinivas Eeeda <srinivas.eeda@oracle.com> Reviewed-by: NJie Liu <jeff.liu@oracle.com> Tested-by: NGurudas Pai <gurudas.pai@oracle.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Mark Fasheh <mfasheh@suse.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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