From: Mike Snitzer <snitzer@xxxxxxxxxx> The vdo_page_cache's 'vdo' is the same as the block_map's vdo instance, so use that to save 2 extra dereferences. Signed-off-by: Mike Snitzer <snitzer@xxxxxxxxxx> Signed-off-by: Matthew Sakai <msakai@xxxxxxxxxx> --- drivers/md/dm-vdo/block-map.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/md/dm-vdo/block-map.c b/drivers/md/dm-vdo/block-map.c index eda42383a2c1..0ce136612869 100644 --- a/drivers/md/dm-vdo/block-map.c +++ b/drivers/md/dm-vdo/block-map.c @@ -562,7 +562,7 @@ static void set_persistent_error(struct vdo_page_cache *cache, const char *conte { struct page_info *info; /* If we're already read-only, there's no need to log. */ - struct vdo *vdo = cache->zone->block_map->vdo; + struct vdo *vdo = cache->vdo; if ((result != VDO_READ_ONLY) && !vdo_is_read_only(vdo)) { uds_log_error_strerror(result, "VDO Page Cache persistent error: %s", @@ -1111,7 +1111,7 @@ static void write_pages(struct vdo_completion *flush_completion) state_entry); list_del_init(&info->state_entry); - if (vdo_is_read_only(info->cache->zone->block_map->vdo)) { + if (vdo_is_read_only(info->cache->vdo)) { struct vdo_completion *completion = &info->vio->completion; vdo_reset_completion(completion); @@ -1233,7 +1233,7 @@ void vdo_get_page(struct vdo_page_completion *page_completion, cache->zone->thread_id, parent); completion->requeue = requeue; - if (page_completion->writable && vdo_is_read_only(cache->zone->block_map->vdo)) { + if (page_completion->writable && vdo_is_read_only(cache->vdo)) { vdo_fail_completion(completion, VDO_READ_ONLY); return; } -- 2.42.0