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authorBart Van Assche <bart.vanassche@wdc.com>2018-06-16 00:55:21 +0300
committerJens Axboe <axboe@kernel.dk>2018-07-09 18:07:52 +0300
commit6a5ac9846508ad7d1d23881d9d5add35f2e6ae71 (patch)
treec0386ecdda510c941829913bba55aa68085a92b3 /block/blk-mq-debugfs.c
parent7c8542b7982264226cf94102950343185869b584 (diff)
downloadlinux-6a5ac9846508ad7d1d23881d9d5add35f2e6ae71.tar.xz
block: Make struct request_queue smaller for CONFIG_BLK_DEV_ZONED=n
Exclude zoned block device members from struct request_queue for CONFIG_BLK_DEV_ZONED == n. Avoid breaking the build by only building the code that uses these struct request_queue members if CONFIG_BLK_DEV_ZONED != n. Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com> Cc: Matias Bjorling <mb@lightnvm.io> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-mq-debugfs.c')
-rw-r--r--block/blk-mq-debugfs.c15
1 files changed, 0 insertions, 15 deletions
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index 26e1f8e425a8..7efe268e4447 100644
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -206,21 +206,6 @@ static ssize_t queue_write_hint_store(void *data, const char __user *buf,
return count;
}
-static int queue_zone_wlock_show(void *data, struct seq_file *m)
-{
- struct request_queue *q = data;
- unsigned int i;
-
- if (!q->seq_zones_wlock)
- return 0;
-
- for (i = 0; i < q->nr_zones; i++)
- if (test_bit(i, q->seq_zones_wlock))
- seq_printf(m, "%u\n", i);
-
- return 0;
-}
-
static const struct blk_mq_debugfs_attr blk_mq_debugfs_queue_attrs[] = {
{ "poll_stat", 0400, queue_poll_stat_show },
{ "requeue_list", 0400, .seq_ops = &queue_requeue_list_seq_ops },