tracing/blktrace: fix up checkpatch reported problems in ftrace plugin patch
Also make sure sparse (make C=2 block/blktrace.o) is happy too. Reported-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Ingo Molnar

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c71a896154
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157f9c00e8
@@ -142,6 +142,9 @@ struct blk_user_trace_setup {
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#ifdef __KERNEL__
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#if defined(CONFIG_BLK_DEV_IO_TRACE)
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#include <linux/sysfs.h>
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struct blk_trace {
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int trace_state;
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struct rchan *rchan;
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@@ -192,6 +195,8 @@ extern int blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
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extern int blk_trace_startstop(struct request_queue *q, int start);
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extern int blk_trace_remove(struct request_queue *q);
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extern struct attribute_group blk_trace_attr_group;
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#else /* !CONFIG_BLK_DEV_IO_TRACE */
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#define blk_trace_ioctl(bdev, cmd, arg) (-ENOTTY)
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#define blk_trace_shutdown(q) do { } while (0)
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