On 11/30/2016 07:55 PM, Stephen Rothwell wrote:
> Hi Jens,
>
> After merging the block tree, today's linux-next build (powerpc
> ppc64_defconfig) failed like this:
>
> fs/iomap.c: In function 'iomap_dio_zero':
> fs/iomap.c:725:38: error: 'WRITE_ODIRECT' undeclared (first use in this function)
> bio_set_op_attrs(bio, REQ_OP_WRITE, WRITE_ODIRECT);
> ^
> fs/iomap.c:725:38: note: each undeclared identifier is reported only once for each function it appears in
> fs/iomap.c: In function 'iomap_dio_actor':
> fs/iomap.c:808:40: error: 'WRITE_ODIRECT' undeclared (first use in this function)
> bio_set_op_attrs(bio, REQ_OP_WRITE, WRITE_ODIRECT);
> ^
> fs/iomap.c: In function 'iomap_dio_rw':
> fs/iomap.c:933:9: error: implicit declaration of function 'blk_poll' [-Werror=implicit-function-declaration]
> !blk_poll(dio->submit.last_queue,
> ^
>
> Caused by commits
>
> 70fd76140a6c ("block,fs: use REQ_* flags directly")
> bbd7bb7017d5 ("block: move poll code to blk-mq")
>
> interacting with commit
>
> ff6a9292e6f6 ("iomap: implement direct I/O")
>
> from the xfs tree.
>
> I love APIs changing :-(
It's a necessary evil...
This could have been avoided with the XFS tree pulling in the block
changes, but that obviously has other implications. Something to watch
for when the XFS tree is sent in for the merge window, however.
> I have applied the following merge fix patch for today.
The fix is correct.
--
Jens Axboe
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