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Mike Snitzer authored
Allow user to change the number of IOs that are reserved by request-based DM's mempools by writing to this file: /sys/module/dm_mod/parameters/reserved_rq_based_ios The default value is RESERVED_REQUEST_BASED_IOS (256). The maximum allowed value is RESERVED_MAX_IOS (1024). Export dm_get_reserved_rq_based_ios() for use by DM targets and core code. Switch to sizing dm-mpath's mempool using DM core's configurable 'reserved_rq_based_ios'. Signed-off-by:
Mike Snitzer <snitzer@redhat.com> Signed-off-by:
Frank Mayhar <fmayhar@google.com> Acked-by:
Mikulas Patocka <mpatocka@redhat.com>
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