diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/fs.h | 3 | ||||
| -rw-r--r-- | include/linux/phy.h | 5 | ||||
| -rw-r--r-- | include/linux/timekeeper_internal.h | 9 |
3 files changed, 15 insertions, 2 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index d7ab4f96d705..601d036a6c78 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -149,7 +149,8 @@ typedef int (dio_iodone_t)(struct kiocb *iocb, loff_t offset, /* Expect random access pattern */ #define FMODE_RANDOM ((__force fmode_t)(1 << 12)) -/* FMODE_* bit 13 */ +/* Supports IOCB_HAS_METADATA */ +#define FMODE_HAS_METADATA ((__force fmode_t)(1 << 13)) /* File is opened with O_PATH; almost nothing can be done with it */ #define FMODE_PATH ((__force fmode_t)(1 << 14)) diff --git a/include/linux/phy.h b/include/linux/phy.h index 4c2b8b6e7187..bb45787d8684 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -169,6 +169,11 @@ static inline bool phy_interface_empty(const unsigned long *intf) return bitmap_empty(intf, PHY_INTERFACE_MODE_MAX); } +static inline unsigned int phy_interface_weight(const unsigned long *intf) +{ + return bitmap_weight(intf, PHY_INTERFACE_MODE_MAX); +} + static inline void phy_interface_and(unsigned long *dst, const unsigned long *a, const unsigned long *b) { diff --git a/include/linux/timekeeper_internal.h b/include/linux/timekeeper_internal.h index c27aac67cb3f..b8ae89ea28ab 100644 --- a/include/linux/timekeeper_internal.h +++ b/include/linux/timekeeper_internal.h @@ -76,6 +76,7 @@ struct tk_read_base { * @cs_was_changed_seq: The sequence number of clocksource change events * @clock_valid: Indicator for valid clock * @monotonic_to_boot: CLOCK_MONOTONIC to CLOCK_BOOTTIME offset + * @monotonic_to_aux: CLOCK_MONOTONIC to CLOCK_AUX offset * @cycle_interval: Number of clock cycles in one NTP interval * @xtime_interval: Number of clock shifted nano seconds in one NTP * interval. @@ -117,6 +118,9 @@ struct tk_read_base { * @offs_aux is used by the auxiliary timekeepers which do not utilize any * of the regular timekeeper offset fields. * + * @monotonic_to_aux is a timespec64 representation of @offs_aux to + * accelerate the VDSO update for CLOCK_AUX. + * * The cacheline ordering of the structure is optimized for in kernel usage of * the ktime_get() and ktime_get_ts64() family of time accessors. Struct * timekeeper is prepended in the core timekeeping code with a sequence count, @@ -159,7 +163,10 @@ struct timekeeper { u8 cs_was_changed_seq; u8 clock_valid; - struct timespec64 monotonic_to_boot; + union { + struct timespec64 monotonic_to_boot; + struct timespec64 monotonic_to_aux; + }; u64 cycle_interval; u64 xtime_interval; |