linux-next: build warning after merge of the final tree (Linus' tree related - vai vfs tree)

[Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>]

Hi all,

After merging the final tree, today's linux-next build (arm defconfig)
produced this warning:

fs/direct-io.c: In function 'sb_init_dio_done_wq':
fs/direct-io.c:557:2: warning: value computed is not used [-Wunused-value]

This is:

	cmpxchg(&sb->s_dio_done_wq, NULL, wq);

Introduced by commit 7b7a8665edd8 ("direct-io: Implement generic deferred
AIO completions").

-- 
Cheers,
Stephen Rothwell                    sfr@xxxxxxxxxxxxxxxx

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