Revision f5d9e56c58052a4f206f6da7df1b61e52bef5a77 authored by Jerome Brunet on 13 November 2017, 11:09:40 UTC, committed by OpenEmbedded on 19 December 2019, 12:26:43 UTC
Turn on CONFIG_CEC_SUPPORT and CONFIG_CEC_PLATFORM_DRIVERS Turn on CONFIG_VIDEO_MESON_AO_CEC as module Turn on CONFIG_DRM_DW_HDMI_CEC as module Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> %% original patch: 0219-ARM64-defconfig-enable-CEC-support.patch
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dm-stats.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef DM_STATS_H
#define DM_STATS_H
#include <linux/types.h>
#include <linux/mutex.h>
#include <linux/list.h>
int dm_statistics_init(void);
void dm_statistics_exit(void);
struct dm_stats {
struct mutex mutex;
struct list_head list; /* list of struct dm_stat */
struct dm_stats_last_position __percpu *last;
sector_t last_sector;
unsigned last_rw;
};
struct dm_stats_aux {
bool merged;
unsigned long long duration_ns;
};
void dm_stats_init(struct dm_stats *st);
void dm_stats_cleanup(struct dm_stats *st);
struct mapped_device;
int dm_stats_message(struct mapped_device *md, unsigned argc, char **argv,
char *result, unsigned maxlen);
void dm_stats_account_io(struct dm_stats *stats, unsigned long bi_rw,
sector_t bi_sector, unsigned bi_sectors, bool end,
unsigned long duration_jiffies,
struct dm_stats_aux *aux);
static inline bool dm_stats_used(struct dm_stats *st)
{
return !list_empty(&st->list);
}
#endif
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