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Diffstat (limited to 'drivers/md/bcache/bcache.h')
| -rw-r--r-- | drivers/md/bcache/bcache.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h index b61b83bbcfff..96d2213f279e 100644 --- a/drivers/md/bcache/bcache.h +++ b/drivers/md/bcache/bcache.h @@ -658,7 +658,11 @@ struct cache_set { /* * A btree node on disk could have too many bsets for an iterator to fit - * on the stack - have to dynamically allocate them + * on the stack - have to dynamically allocate them. + * bch_cache_set_alloc() will make sure the pool can allocate iterators + * equipped with enough room that can host + * (sb.bucket_size / sb.block_size) + * btree_iter_sets, which is more than static MAX_BSETS. */ mempool_t fill_iter; |