staging: lustre: grant: quiet message on grant waiting timeout

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Use at_max in osc_enter_cache() to bound how long we wait for grant
space before switching to synchronous I/Os. Do not print a message
on the console when the timeout is hit since such long wait can
be legitimate with flaky network (i.e. BRW is resent multiple times).

Signed-off-by: Johann Lombardi <johann.lombardi@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5521
Reviewed-on: http://review.whamcloud.com/12146
Reviewed-by: Niu Yawei <yawei.niu@intel.com>
Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Johann Lombardi 2016-09-18 16:38:47 -04:00 • committed by Greg Kroah-Hartman

parent 15b241c539

commit a09be8445c

1 changed files with 40 additions and 21 deletions

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drivers/staging/lustre/lustre/osc/osc_cache.c

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