On 2017/6/23 下午3:15, Liang Chen wrote:
> The id passed to ida_simple_remove has to be the one originally
> allocated with ida_simple_get, not the one after multipling by
> BCACHE_MINORS.
>
> Signed-off-by: Liang Chen <liangchen.linux@xxxxxxxxx>
> ---
> drivers/md/bcache/super.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
> index e57353e..9f64477 100644
> --- a/drivers/md/bcache/super.c
> +++ b/drivers/md/bcache/super.c
> @@ -734,7 +734,8 @@ static void bcache_device_free(struct bcache_device *d)
> if (d->disk && d->disk->queue)
> blk_cleanup_queue(d->disk->queue);
> if (d->disk) {
> - ida_simple_remove(&bcache_minor, d->disk->first_minor);
> + ida_simple_remove(&bcache_minor,
> + d->disk->first_minor / BCACHE_MINORS);
> put_disk(d->disk);
> }
>
> @@ -784,7 +785,7 @@ static int bcache_device_init(struct bcache_device *d, unsigned block_size,
>
> if (!(d->bio_split = bioset_create(4, offsetof(struct bbio, bio))) ||
> !(d->disk = alloc_disk(BCACHE_MINORS))) {
> - ida_simple_remove(&bcache_minor, minor);
> + ida_simple_remove(&bcache_minor, minor / BCACHE_MINORS);
> return -ENOMEM;
> }
>
>
Hi Liang,
Junhui fixes it already, the patch is submitted to Jens Axboe already.
Maybe the patch will show up in next merge window.
--
Coly Li
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