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null_blk: suppress invalid partition info 

null_blk is partitionable, but it doesn't store any of the info. When
it is loaded, you would normally see:

[1226739.343608]  nullb0: unknown partition table
[1226739.343746]  nullb1: unknown partition table

which can confuse some people. Add the appropriate gendisk flag
to suppress this info.

Signed-off-by: Jens Axboe <axboe@fb.com>
hifive-unleashed-5.1
Jens Axboe 2015-01-16 16:02:24 -07:00
parent c8fa31730f
commit 227290b469
1 changed files with 1 additions and 1 deletions
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2
drivers/block/null_blk.c
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@ -579,7 +579,7 @@ static int null_add_dev(void)
sector_div(size, bs);
set_capacity(disk, size);
disk->flags |= GENHD_FL_EXT_DEVT;
disk->flags |= GENHD_FL_EXT_DEVT | GENHD_FL_SUPPRESS_PARTITION_INFO;
disk->major = null_major;
disk->first_minor = nullb->index;
disk->fops = &null_fops;