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Commit 79eb885c authored by Edward Goggin's avatar Edward Goggin Committed by Linus Torvalds
Browse files

dm mpath: log device name 



Make the mapped device structure accessible to hardware handlers so error
messages can include the device name.

Signed-off-by: default avatarEdward Goggin <egoggin@emc.com>
Signed-off-by: default avatarAlasdair G Kergon <agk@redhat.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 46b47730

drivers/md/dm-hw-handler.h

+1 −0
Original line number Original line Diff line number Diff line
@@ -16,6 +16,7 @@ 
struct hw_handler_type;

struct hw_handler_type;

struct hw_handler {

struct hw_handler {

	struct hw_handler_type *type;

	struct hw_handler_type *type;

	struct mapped_device *md;

	void *context;

	void *context;

};

};

drivers/md/dm-mpath.c

+3 −0
Original line number Original line Diff line number Diff line
@@ -668,6 +668,9 @@ static int parse_hw_handler(struct arg_set *as, struct multipath *m) 
		return -EINVAL;

		return -EINVAL;

	}

	}





	m->hw_handler.md = dm_table_get_md(ti->table);

	dm_put(m->hw_handler.md);



	r = hwht->create(&m->hw_handler, hw_argc - 1, as->argv);

	r = hwht->create(&m->hw_handler, hw_argc - 1, as->argv);

	if (r) {

	if (r) {

		dm_put_hw_handler(hwht);

		dm_put_hw_handler(hwht);

drivers/md/dm.c

+1 −0
Original line number Original line Diff line number Diff line
@@ -1236,6 +1236,7 @@ void dm_put(struct mapped_device *md) 
		free_dev(md);

		free_dev(md);

	}

	}

}

}

EXPORT_SYMBOL_GPL(dm_put);





/*

/*

 * Process the deferred bios

 * Process the deferred bios