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staging: lustre: lov: use obd_get_info() to get def/max LOV EA sizes
Use obd_get_info() to get the default and maximum LOV EA sizes (along
with maximum cookiesize) from LOV. Remove the then unused function
obd_size_diskmd() and the unused get info key KEY_LOVDESC. When
computing the maximum LOV EA size use the active OST count
(ld_active_tgt_count) rather than the OST count (ld_tgt_count).
Signed-off-by: John L. Hammond <john.hammond@intel.com>
Signed-off-by: Jinshan Xiong <jinshan.xiong@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5814
Reviewed-on: http://review.whamcloud.com/13695
Reviewed-by: James Simmons <uja.ornl@yahoo.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>