Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1531710
| From | Matias Bjørling <m@bjorling.me> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 07/23] lightnvm: rrpc: split bios of size > 256kb |
| Date | 2016-11-28 22:50 +0100 |
| Message-ID | <sIBYf-7z9-77@gated-at.bofh.it> (permalink) |
| References | <sIBOx-7vt-19@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Javier González <jg@lightnvm.io>
rrpc cannot handle bios of size > 256kb due to NVMe using a 64 bit
bitmap to signal I/O completion. If a larger bio comes, split it
explicitly.
Signed-off-by: Javier González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <m@bjorling.me>
---
drivers/lightnvm/rrpc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c
index 2b71b7e..60ca9d4 100644
--- a/drivers/lightnvm/rrpc.c
+++ b/drivers/lightnvm/rrpc.c
@@ -943,6 +943,8 @@ static blk_qc_t rrpc_make_rq(struct request_queue *q, struct bio *bio)
struct nvm_rq *rqd;
int err;
+ blk_queue_split(q, &bio, q->bio_split);
+
if (bio_op(bio) == REQ_OP_DISCARD) {
rrpc_discard(rrpc, bio);
return BLK_QC_T_NONE;
--
2.9.3
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[PATCH 00/23] LightNVM patches for 4.10 Matias Bjørling <m@bjorling.me> - 2016-11-28 22:40 +0100 [PATCH 16/23] lightnvm: remove get_lun operation on gennvm Matias Bjørling <m@bjorling.me> - 2016-11-28 22:50 +0100 [PATCH 11/23] lightnvm: remove unnecessary variables in rrpc Matias Bjørling <m@bjorling.me> - 2016-11-28 22:50 +0100 [PATCH 05/23] lightnvm: export set bad block table Matias Bjørling <m@bjorling.me> - 2016-11-28 22:50 +0100 [PATCH 01/23] nvme: lightnvm: frees wrong cmd structure Matias Bjørling <m@bjorling.me> - 2016-11-28 22:50 +0100 [PATCH 13/23] lightnvm: remove gen_lun abstraction Matias Bjørling <m@bjorling.me> - 2016-11-28 22:50 +0100 [PATCH 21/23] lightnvm: introduce max_phys_sects helper function Matias Bjørling <m@bjorling.me> - 2016-11-28 22:50 +0100 [PATCH 14/23] lightnvm: manage lun partitions internally in mm Matias Bjørling <m@bjorling.me> - 2016-11-28 22:50 +0100 [PATCH 04/23] lightnvm: do not protect block 0 Matias Bjørling <m@bjorling.me> - 2016-11-28 22:50 +0100 [PATCH 20/23] lightnvm: introduce helpers for generic ops in rrpc Matias Bjørling <m@bjorling.me> - 2016-11-28 22:50 +0100 [PATCH 03/23] lightnvm: enable to send hint to erase command Matias Bjørling <m@bjorling.me> - 2016-11-28 22:50 +0100 [PATCH 09/23] lightnvm: cleanup unused target operations Matias Bjørling <m@bjorling.me> - 2016-11-28 22:50 +0100 [PATCH 17/23] lightnvm: remove debug lun statistics from gennvm Matias Bjørling <m@bjorling.me> - 2016-11-28 22:50 +0100 [PATCH 07/23] lightnvm: rrpc: split bios of size > 256kb Matias Bjørling <m@bjorling.me> - 2016-11-28 22:50 +0100 [PATCH 12/23] lightnvm: use constant name instead of value Matias Bjørling <m@bjorling.me> - 2016-11-28 22:50 +0100 [PATCH 02/23] nvme: lightnvm: attach lightnvm sysfs to nvme block device Matias Bjørling <m@bjorling.me> - 2016-11-28 22:50 +0100 [PATCH 08/23] lightnvm: remove sysfs configuration interface Matias Bjørling <m@bjorling.me> - 2016-11-28 22:50 +0100 [PATCH 19/23] lightnvm: eliminate nvm_lun abstraction in mm Matias Bjørling <m@bjorling.me> - 2016-11-28 22:50 +0100 [PATCH 10/23] lightnvm: make address conversion functions global Matias Bjørling <m@bjorling.me> - 2016-11-28 22:50 +0100 [PATCH 22/23] lightnvm: use target nvm on target-specific ops. Matias Bjørling <m@bjorling.me> - 2016-11-28 22:50 +0100 [PATCH 23/23] lightnvm: transform target get/set bad block Matias Bjørling <m@bjorling.me> - 2016-11-28 22:50 +0100 [PATCH 18/23] lightnvm: eliminate nvm_block abstraction on mm Matias Bjørling <m@bjorling.me> - 2016-11-28 22:50 +0100 [PATCH 06/23] lightnvm: add ECC error codes Matias Bjørling <m@bjorling.me> - 2016-11-28 22:50 +0100
csiph-web