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| author | Jani Nikula <jani.nikula@intel.com> | 2017-09-28 15:56:49 +0300 |
|---|---|---|
| committer | Jani Nikula <jani.nikula@intel.com> | 2017-09-28 15:56:49 +0300 |
| commit | 32f35b863451884e856f0f577474740561a87fad (patch) | |
| tree | 2d1d55c7e2d23e27197bf84246c5f23070eb0fce /include/linux/blktrace_api.h | |
| parent | ae7617f0ef1820be033eef93859a6bb6174a843f (diff) | |
| parent | 754270c7c56292e97d0eff924a5d5d83f92add07 (diff) | |
| download | linux-32f35b863451884e856f0f577474740561a87fad.tar.gz linux-32f35b863451884e856f0f577474740561a87fad.tar.bz2 linux-32f35b863451884e856f0f577474740561a87fad.zip | |
Merge drm-upstream/drm-next into drm-intel-next-queued
Need MST sideband message transaction to power up/down nodes.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'include/linux/blktrace_api.h')
| -rw-r--r-- | include/linux/blktrace_api.h | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h index d2e908586e3d..67b4d4dfc19c 100644 --- a/include/linux/blktrace_api.h +++ b/include/linux/blktrace_api.h @@ -28,10 +28,12 @@ struct blk_trace { atomic_t dropped; }; +struct blkcg; + extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *); extern void blk_trace_shutdown(struct request_queue *); -extern __printf(2, 3) -void __trace_note_message(struct blk_trace *, const char *fmt, ...); +extern __printf(3, 4) +void __trace_note_message(struct blk_trace *, struct blkcg *blkcg, const char *fmt, ...); /** * blk_add_trace_msg - Add a (simple) message to the blktrace stream @@ -46,12 +48,14 @@ void __trace_note_message(struct blk_trace *, const char *fmt, ...); * NOTE: Can not use 'static inline' due to presence of var args... * **/ -#define blk_add_trace_msg(q, fmt, ...) \ +#define blk_add_cgroup_trace_msg(q, cg, fmt, ...) \ do { \ struct blk_trace *bt = (q)->blk_trace; \ if (unlikely(bt)) \ - __trace_note_message(bt, fmt, ##__VA_ARGS__); \ + __trace_note_message(bt, cg, fmt, ##__VA_ARGS__);\ } while (0) +#define blk_add_trace_msg(q, fmt, ...) \ + blk_add_cgroup_trace_msg(q, NULL, fmt, ##__VA_ARGS__) #define BLK_TN_MAX_MSG 128 static inline bool blk_trace_note_message_enabled(struct request_queue *q) @@ -82,6 +86,7 @@ extern struct attribute_group blk_trace_attr_group; # 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_remove_sysfs(dev) do { } while (0) # define blk_trace_note_message_enabled(q) (false) static inline int blk_trace_init_sysfs(struct device *dev) |