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authorLinus Torvalds <torvalds@linux-foundation.org>2018-06-30 20:47:46 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2018-06-30 20:47:46 +0300
commite6e5bec43c0d5dec97355ebf9f6c9bbf4d4c29d5 (patch)
tree60b8cafa37665a2465b2d8902fa1b97a73c68bfe /lib/scatterlist.c
parent1904148a361a07fb2d7cba1261d1d2c2f33c8d2e (diff)
parent9544bc5347207a68eb308cc8aaaed6c3a687cabd (diff)
downloadlinux-e6e5bec43c0d5dec97355ebf9f6c9bbf4d4c29d5.tar.xz
Merge tag 'for-linus-20180629' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe: "Small set of fixes for this series. Mostly just minor fixes, the only oddball in here is the sg change. The sg change came out of the stall fix for NVMe, where we added a mempool and limited us to a single page allocation. CONFIG_SG_DEBUG sort-of ruins that, since we'd need to account for that. That's actually a generic problem, since lots of drivers need to allocate SG lists. So this just removes support for CONFIG_SG_DEBUG, which I added back in 2007 and to my knowledge it was never useful. Anyway, outside of that, this pull contains: - clone of request with special payload fix (Bart) - drbd discard handling fix (Bart) - SATA blk-mq stall fix (me) - chunk size fix (Keith) - double free nvme rdma fix (Sagi)" * tag 'for-linus-20180629' of git://git.kernel.dk/linux-block: sg: remove ->sg_magic member drbd: Fix drbd_request_prepare() discard handling blk-mq: don't queue more if we get a busy return block: Fix cloning of requests with a special payload nvme-rdma: fix possible double free of controller async event buffer block: Fix transfer when chunk sectors exceeds max
Diffstat (limited to 'lib/scatterlist.c')
-rw-r--r--lib/scatterlist.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/lib/scatterlist.c b/lib/scatterlist.c
index 1642fd507a96..7c6096a71704 100644
--- a/lib/scatterlist.c
+++ b/lib/scatterlist.c
@@ -24,9 +24,6 @@
**/
struct scatterlist *sg_next(struct scatterlist *sg)
{
-#ifdef CONFIG_DEBUG_SG
- BUG_ON(sg->sg_magic != SG_MAGIC);
-#endif
if (sg_is_last(sg))
return NULL;
@@ -111,10 +108,7 @@ struct scatterlist *sg_last(struct scatterlist *sgl, unsigned int nents)
for_each_sg(sgl, sg, nents, i)
ret = sg;
-#ifdef CONFIG_DEBUG_SG
- BUG_ON(sgl[0].sg_magic != SG_MAGIC);
BUG_ON(!sg_is_last(ret));
-#endif
return ret;
}
EXPORT_SYMBOL(sg_last);