Just a note to everyone-- a quick Reviewed-by: would be appreciated from
someone here on the bcache list because I'm hoping to get this sent off
with a couple other things to Jens soon. -mpl
On 11/24/2017 02:02 PM, Michael Lyle wrote:
> register_shrinker is now __must_check, so check it to kill a warning.
> Caller of bch_btree_cache_alloc in super.c appropriately checks return
> value so this is fully plumbed through.
>
> This V2 fixes checkpatch warnings and improves the commit description,
> as I was too hasty getting the previous version out.
>
> Signed-off-by: Michael Lyle <mlyle@xxxxxxxx>
> ---
> drivers/md/bcache/btree.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
> index 11c5503d31dc..81e8dc3dbe5e 100644
> --- a/drivers/md/bcache/btree.c
> +++ b/drivers/md/bcache/btree.c
> @@ -807,7 +807,10 @@ int bch_btree_cache_alloc(struct cache_set *c)
> c->shrink.scan_objects = bch_mca_scan;
> c->shrink.seeks = 4;
> c->shrink.batch = c->btree_pages * 2;
> - register_shrinker(&c->shrink);
> +
> + if (register_shrinker(&c->shrink))
> + pr_warn("bcache: %s: could not register shrinker",
> + __func__);
>
> return 0;
> }
>
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