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authorChristoph Hellwig <hch@lst.de>2017-11-02 21:29:52 +0300
committerJens Axboe <axboe@kernel.dk>2017-11-03 10:31:48 -0600
commit517bf3c306bad4fe0da631f90ae2ec40924dee2b (patch)
treecbe0e6bc91a51781ae4d3ac60af5e7abae54a37b /block
parentef71de8b15d891b27b8c983a9a8972b11cb4576a (diff)
block: don't look at the struct device dev_t in disk_devt
The hidden gendisks introduced in the next patch need to keep the dev field in their struct device empty so that udev won't try to create block device nodes for them. To support that rewrite disk_devt to look at the major and first_minor fields in the gendisk itself instead of looking into the struct device. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
-rw-r--r--block/genhd.c4
1 files changed, 0 insertions, 4 deletions
diff --git a/block/genhd.c b/block/genhd.c
index dd305c65ffb0..1174d24e405e 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -649,10 +649,6 @@ void device_add_disk(struct device *parent, struct gendisk *disk)
return;
}
disk_to_dev(disk)->devt = devt;
-
- /* ->major and ->first_minor aren't supposed to be
- * dereferenced from here on, but set them just in case.
- */
disk->major = MAJOR(devt);
disk->first_minor = MINOR(devt);

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