diff options
| author | Christoph Hellwig <hch@lst.de> | 2021-08-09 08:40:27 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-08-12 10:29:36 -0600 |
| commit | b75f4aed88febe903bd40a6128b74edd2388417e (patch) | |
| tree | 313a76723500623fee32f4a93b317785a5875e8e /drivers/md/bcache/super.c | |
| parent | 224b0683228c5f332f9cee615d85e75e9a347170 (diff) | |
| download | lwn-b75f4aed88febe903bd40a6128b74edd2388417e.tar.gz lwn-b75f4aed88febe903bd40a6128b74edd2388417e.zip | |
bcache: move the del_gendisk call out of bcache_device_free
Let the callers call del_gendisk so that we can check if add_disk
has been called properly for the cached device case instead of relying
on the block layer internal GENHD_FL_UP flag.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Coly Li <colyli@suse.de>
Link: https://lore.kernel.org/r/20210809064028.1198327-8-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/md/bcache/super.c')
| -rw-r--r-- | drivers/md/bcache/super.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c index d0f08e946453..f2874c77ff79 100644 --- a/drivers/md/bcache/super.c +++ b/drivers/md/bcache/super.c @@ -885,11 +885,6 @@ static void bcache_device_free(struct bcache_device *d) bcache_device_detach(d); if (disk) { - bool disk_added = (disk->flags & GENHD_FL_UP) != 0; - - if (disk_added) - del_gendisk(disk); - blk_cleanup_disk(disk); ida_simple_remove(&bcache_device_idx, first_minor_to_idx(disk->first_minor)); @@ -1371,8 +1366,10 @@ static void cached_dev_free(struct closure *cl) mutex_lock(&bch_register_lock); - if (atomic_read(&dc->running)) + if (atomic_read(&dc->running)) { bd_unlink_disk_holder(dc->bdev, dc->disk.disk); + del_gendisk(dc->disk.disk); + } bcache_device_free(&dc->disk); list_del(&dc->list); @@ -1518,6 +1515,7 @@ static void flash_dev_free(struct closure *cl) mutex_lock(&bch_register_lock); atomic_long_sub(bcache_dev_sectors_dirty(d), &d->c->flash_dev_dirty_sectors); + del_gendisk(d->disk); bcache_device_free(d); mutex_unlock(&bch_register_lock); kobject_put(&d->kobj); |