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blktrace: use inline function for blk_trace_remove() while blktrace is disabled

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If config is disabled, call blk_trace_remove() directly will trigger
build warning, hence use inline function instead, prepare to fix
blktrace debugfs entries leakage.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20230610022003.2557284-2-yukuai1@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Yu Kuai 2023-06-10 10:20:01 +08:00 • committed by Jens Axboe
parent 6dd4423f3f
commit cbe7cff4a7
1 changed files with 5 additions and 1 deletions
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6
include/linux/blktrace_api.h
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@ -85,10 +85,14 @@ extern int blk_trace_remove(struct request_queue *q);
# define blk_add_driver_data(rq, data, len) do {} while (0)
# define blk_trace_setup(q, name, dev, bdev, arg) (-ENOTTY)
# define blk_trace_startstop(q, start) (-ENOTTY)
# define blk_trace_remove(q) (-ENOTTY)
# define blk_add_trace_msg(q, fmt, ...) do { } while (0)
# define blk_add_cgroup_trace_msg(q, cg, fmt, ...) do { } while (0)
# define blk_trace_note_message_enabled(q) (false)
static inline int blk_trace_remove(struct request_queue *q)
{
return -ENOTTY;
}
#endif /* CONFIG_BLK_DEV_IO_TRACE */
#ifdef CONFIG_COMPAT