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| author | Christoph Hellwig <hch@lst.de> | 2019-11-11 11:39:23 +0900 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2019-11-12 19:11:54 -0700 |
| commit | c98c3d09fca41323765af0dc7926b150cf29ebff (patch) | |
| tree | 4c781fcf29fc3af14ba0e76cd02c5d2737d106e8 /block | |
| parent | d9dd73087a8b6d78d3bf8411620306f2313cdbae (diff) | |
| download | linux-c98c3d09fca41323765af0dc7926b150cf29ebff.tar.gz linux-c98c3d09fca41323765af0dc7926b150cf29ebff.tar.bz2 linux-c98c3d09fca41323765af0dc7926b150cf29ebff.zip | |
block: cleanup the !zoned case in blk_revalidate_disk_zones
blk_revalidate_disk_zones is never called for non-zoned devices. Just
return early and warn instead of trying to handle this case.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-zoned.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/block/blk-zoned.c b/block/blk-zoned.c index dae787f67019..523a28d7a15c 100644 --- a/block/blk-zoned.c +++ b/block/blk-zoned.c @@ -520,6 +520,9 @@ int blk_revalidate_disk_zones(struct gendisk *disk) sector_t sector = 0; int ret = 0; + if (WARN_ON_ONCE(!blk_queue_is_zoned(q))) + return -EIO; + /* * BIO based queues do not use a scheduler so only q->nr_zones * needs to be updated so that the sysfs exposed value is correct. @@ -535,10 +538,8 @@ int blk_revalidate_disk_zones(struct gendisk *disk) */ noio_flag = memalloc_noio_save(); - if (!blk_queue_is_zoned(q) || !nr_zones) { - nr_zones = 0; + if (!nr_zones) goto update; - } /* Allocate bitmaps */ ret = -ENOMEM; |