From 7404bddeb43902725c6b65421032f090ccea496b Mon Sep 17 00:00:00 2001 From: Jack Wang Date: Mon, 21 Jun 2021 07:53:40 +0200 Subject: rnbd/rtrs-clt: Query and use max_segments from rtrs-clt. With fast memory registration on write request, rnbd-clt can do bigger IO without split. rnbd-clt now can query rtrs-clt to get the max_segments, instead of using BMAX_SEGMENTS. BMAX_SEGMENTS is not longer needed, so remove it. Link: https://lore.kernel.org/r/20210621055340.11789-6-jinpu.wang@ionos.com Cc: Jens Axboe Signed-off-by: Jack Wang Reviewed-by: Md Haris Iqbal Signed-off-by: Jason Gunthorpe --- drivers/block/rnbd/rnbd-clt.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers/block/rnbd/rnbd-clt.c') diff --git a/drivers/block/rnbd/rnbd-clt.c b/drivers/block/rnbd/rnbd-clt.c index c604a402cd5c..d6f12e6c91f7 100644 --- a/drivers/block/rnbd/rnbd-clt.c +++ b/drivers/block/rnbd/rnbd-clt.c @@ -92,7 +92,7 @@ static int rnbd_clt_set_dev_attr(struct rnbd_clt_dev *dev, dev->fua = !!(rsp->cache_policy & RNBD_FUA); dev->max_hw_sectors = sess->max_io_size / SECTOR_SIZE; - dev->max_segments = BMAX_SEGMENTS; + dev->max_segments = sess->max_segments; return 0; } @@ -1292,7 +1292,7 @@ find_and_get_or_create_sess(const char *sessname, sess->rtrs = rtrs_clt_open(&rtrs_ops, sessname, paths, path_cnt, port_nr, 0, /* Do not use pdu of rtrs */ - RECONNECT_DELAY, BMAX_SEGMENTS, + RECONNECT_DELAY, MAX_RECONNECTS, nr_poll_queues); if (IS_ERR(sess->rtrs)) { err = PTR_ERR(sess->rtrs); @@ -1306,6 +1306,7 @@ find_and_get_or_create_sess(const char *sessname, sess->max_io_size = attrs.max_io_size; sess->queue_depth = attrs.queue_depth; sess->nr_poll_queues = nr_poll_queues; + sess->max_segments = attrs.max_segments; err = setup_mq_tags(sess); if (err) -- cgit v1.2.3