[PATCH] dm: store md name
The patch stores a printable device number in struct mapped_device for use in warning messages and with a proposed netlink interface. Signed-off-by: Mike Anderson <andmike@us.ibm.com> Signed-off-by: Alasdair G Kergon <agk@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -69,6 +69,7 @@ struct mapped_device {
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request_queue_t *queue;
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struct gendisk *disk;
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char name[16];
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void *interface_ptr;
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@ -842,6 +843,7 @@ static struct mapped_device *alloc_dev(unsigned int minor, int persistent)
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md->disk->private_data = md;
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sprintf(md->disk->disk_name, "dm-%d", minor);
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add_disk(md->disk);
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format_dev_t(md->name, MKDEV(_major, minor));
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atomic_set(&md->pending, 0);
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init_waitqueue_head(&md->wait);
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