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    dm mpath: remove repeat_count support from multipath core · 21136f89
    Mike Snitzer 提交于
    Preparation for making __multipath_map() avoid taking the m->lock
    spinlock -- in favor of using RCU locking.
    
    repeat_count was primarily for bio-based DM multipath's benefit.  There
    is really no need for it anymore now that DM multipath is request-based.
    As such, repeat_count > 1 is no longer honored and a warning is
    displayed if the user attempts to use a value > 1.  This is a temporary
    change for the round-robin path-selector (as a later commit will restore
    its support for repeat_count > 1).
    Signed-off-by: NMike Snitzer <snitzer@redhat.com>
    21136f89
dm-mpath.c 41.1 KB