md/dm - remove remains of plug_fn callback.
Now that unplugging is done differently, the unplug_fn callback is never called, so it can be completely discarded. Signed-off-by: NeilBrown <neilb@suse.de>
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@ -390,13 +390,6 @@ static int raid_is_congested(struct dm_target_callbacks *cb, int bits)
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return md_raid5_congested(&rs->md, bits);
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}
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static void raid_unplug(struct dm_target_callbacks *cb)
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{
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struct raid_set *rs = container_of(cb, struct raid_set, callbacks);
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md_raid5_kick_device(rs->md.private);
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}
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/*
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* Construct a RAID4/5/6 mapping:
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* Args:
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@ -487,7 +480,6 @@ static int raid_ctr(struct dm_target *ti, unsigned argc, char **argv)
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}
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rs->callbacks.congested_fn = raid_is_congested;
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rs->callbacks.unplug_fn = raid_unplug;
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dm_table_add_target_callbacks(ti->table, &rs->callbacks);
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return 0;
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@ -197,7 +197,6 @@ struct dm_target {
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struct dm_target_callbacks {
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struct list_head list;
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int (*congested_fn) (struct dm_target_callbacks *, int);
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void (*unplug_fn)(struct dm_target_callbacks *);
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};
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int dm_register_target(struct target_type *t);
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