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Subjectlinux-next: build failure after merge of the block tree
Hi all,

After merging the block tree, today's linux-next build (arm
multi_v7_defconfig) failed like this:

net/sunrpc/xprtsock.c: In function 'xs_flush_bvec':
net/sunrpc/xprtsock.c:390:2: error: implicit declaration of function 'for_each_bvec'; did you mean 'for_each_net'? [-Werror=implicit-function-declaration]
for_each_bvec(bv, bvec, bi, bi)
^~~~~~~~~~~~~
for_each_net
net/sunrpc/xprtsock.c:390:33: error: expected ';' before 'flush_dcache_page'
for_each_bvec(bv, bvec, bi, bi)
^
;
flush_dcache_page(bv.bv_page);
~~~~~~~~~~~~~~~~~

Caused by commit

f3effe4c1240 ("block: rename bvec helpers")

interacting with commit

6a829eb8619f ("SUNRPC: Fix TCP receive code on archs with flush_dcache_page()")

from the nfs-anna tree.

[I love API changes :-(]

I have applied the following merge fix patch:

From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Wed, 16 Jan 2019 13:32:59 +1100
Subject: [PATCH] SUNRPC: merge fix for "block: rename bvec helpers"

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
---
net/sunrpc/xprtsock.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 7754aa3e434f..47f29cc23f27 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -387,7 +387,7 @@ xs_flush_bvec(const struct bio_vec *bvec, size_t count, size_t seek)
struct bio_vec bv;

bvec_iter_advance(bvec, &bi, seek & PAGE_MASK);
- for_each_bvec(bv, bvec, bi, bi)
+ for_each_segment(bv, bvec, bi, bi)
flush_dcache_page(bv.bv_page);
}
#else
--
2.20.1
--
Cheers,
Stephen Rothwell
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