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target/iblock: fix holder printing in iblock_show_configfs_dev_params

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bd_contains is never NULL for an open block device.  In addition ibd_bd
is always set to a block device that was exclusively opened by the
target code, so the holder is guranteed to be ib_dev as well.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2020-09-03 07:41:02 +02:00 committed by Jens Axboe
parent 74f9445409
commit 57ba105920
1 changed files with 2 additions and 3 deletions
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5
drivers/target/target_core_iblock.c
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@ -611,9 +611,8 @@ static ssize_t iblock_show_configfs_dev_params(struct se_device *dev, char *b)
bl += sprintf(b + bl, " ");
if (bd) {
bl += sprintf(b + bl, "Major: %d Minor: %d %s\n",
MAJOR(bd->bd_dev), MINOR(bd->bd_dev), (!bd->bd_contains) ?
"" : (bd->bd_holder == ib_dev) ?
"CLAIMED: IBLOCK" : "CLAIMED: OS");
MAJOR(bd->bd_dev), MINOR(bd->bd_dev),
"CLAIMED: IBLOCK");
} else {
bl += sprintf(b + bl, "Major: 0 Minor: 0\n");
}