diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/bitops.h | 20 | ||||
-rw-r--r-- | include/linux/blkdev.h | 3 | ||||
-rw-r--r-- | include/linux/cdrom.h | 3 | ||||
-rw-r--r-- | include/linux/elevator.h | 9 | ||||
-rw-r--r-- | include/linux/hyperv.h | 2 | ||||
-rw-r--r-- | include/linux/iocontext.h | 5 | ||||
-rw-r--r-- | include/linux/mmc/card.h | 4 | ||||
-rw-r--r-- | include/linux/mmc/dw_mmc.h | 6 | ||||
-rw-r--r-- | include/linux/mmc/host.h | 20 | ||||
-rw-r--r-- | include/linux/proportions.h | 4 | ||||
-rw-r--r-- | include/linux/usb/ch9.h | 2 | ||||
-rw-r--r-- | include/net/flow.h | 10 | ||||
-rw-r--r-- | include/net/netprio_cgroup.h | 48 | ||||
-rw-r--r-- | include/net/route.h | 4 | ||||
-rw-r--r-- | include/net/sch_generic.h | 9 | ||||
-rw-r--r-- | include/net/tcp.h | 14 | ||||
-rw-r--r-- | include/trace/events/writeback.h | 7 |
17 files changed, 136 insertions, 34 deletions
diff --git a/include/linux/bitops.h b/include/linux/bitops.h index 3c1063acb2ab..94300fe46cce 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -56,6 +56,26 @@ static inline unsigned long hweight_long(unsigned long w) } /** + * rol64 - rotate a 64-bit value left + * @word: value to rotate + * @shift: bits to roll + */ +static inline __u64 rol64(__u64 word, unsigned int shift) +{ + return (word << shift) | (word >> (64 - shift)); +} + +/** + * ror64 - rotate a 64-bit value right + * @word: value to rotate + * @shift: bits to roll + */ +static inline __u64 ror64(__u64 word, unsigned int shift) +{ + return (word >> shift) | (word << (64 - shift)); +} + +/** * rol32 - rotate a 32-bit value left * @word: value to rotate * @shift: bits to roll diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 6c6a1f008065..606cf339bb56 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -399,9 +399,6 @@ struct request_queue { /* Throttle data */ struct throtl_data *td; #endif -#ifdef CONFIG_LOCKDEP - int ioc_release_depth; -#endif }; #define QUEUE_FLAG_QUEUED 1 /* uses generic tag queueing */ diff --git a/include/linux/cdrom.h b/include/linux/cdrom.h index 35eae4b67503..7c48029dffe6 100644 --- a/include/linux/cdrom.h +++ b/include/linux/cdrom.h @@ -952,7 +952,8 @@ struct cdrom_device_info { char name[20]; /* name of the device type */ /* per-device flags */ __u8 sanyo_slot : 2; /* Sanyo 3 CD changer support */ - __u8 reserved : 6; /* not used yet */ + __u8 keeplocked : 1; /* CDROM_LOCKDOOR status */ + __u8 reserved : 5; /* not used yet */ int cdda_method; /* see flags */ __u8 last_sense; __u8 media_written; /* dirty flag, DVD+RW bookkeeping */ diff --git a/include/linux/elevator.h b/include/linux/elevator.h index c24f3d7fbf1e..7d4e0356f329 100644 --- a/include/linux/elevator.h +++ b/include/linux/elevator.h @@ -42,12 +42,6 @@ struct elevator_ops elevator_merged_fn *elevator_merged_fn; elevator_merge_req_fn *elevator_merge_req_fn; elevator_allow_merge_fn *elevator_allow_merge_fn; - - /* - * Used for both plugged list and elevator merging and in the - * former case called without queue_lock. Read comment on top of - * attempt_plug_merge() for details. - */ elevator_bio_merged_fn *elevator_bio_merged_fn; elevator_dispatch_fn *elevator_dispatch_fn; @@ -122,7 +116,6 @@ extern void elv_dispatch_add_tail(struct request_queue *, struct request *); extern void elv_add_request(struct request_queue *, struct request *, int); extern void __elv_add_request(struct request_queue *, struct request *, int); extern int elv_merge(struct request_queue *, struct request **, struct bio *); -extern int elv_try_merge(struct request *, struct bio *); extern void elv_merge_requests(struct request_queue *, struct request *, struct request *); extern void elv_merged_request(struct request_queue *, struct request *, int); @@ -155,7 +148,7 @@ extern ssize_t elv_iosched_store(struct request_queue *, const char *, size_t); extern int elevator_init(struct request_queue *, char *); extern void elevator_exit(struct elevator_queue *); extern int elevator_change(struct request_queue *, const char *); -extern int elv_rq_merge_ok(struct request *, struct bio *); +extern bool elv_rq_merge_ok(struct request *, struct bio *); /* * Helper functions. diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index 62b908e0e591..0ae065a5fcb2 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -35,7 +35,7 @@ #include <linux/mod_devicetable.h> -#define MAX_PAGE_BUFFER_COUNT 18 +#define MAX_PAGE_BUFFER_COUNT 19 #define MAX_MULTIPAGE_BUFFER_COUNT 32 /* 128K */ #pragma pack(push, 1) diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h index 7e1371c4bccf..119773eebe31 100644 --- a/include/linux/iocontext.h +++ b/include/linux/iocontext.h @@ -133,7 +133,7 @@ static inline struct io_context *ioc_task_link(struct io_context *ioc) struct task_struct; #ifdef CONFIG_BLOCK -void put_io_context(struct io_context *ioc, struct request_queue *locked_q); +void put_io_context(struct io_context *ioc); void exit_io_context(struct task_struct *task); struct io_context *get_task_io_context(struct task_struct *task, gfp_t gfp_flags, int node); @@ -141,8 +141,7 @@ void ioc_ioprio_changed(struct io_context *ioc, int ioprio); void ioc_cgroup_changed(struct io_context *ioc); #else struct io_context; -static inline void put_io_context(struct io_context *ioc, - struct request_queue *locked_q) { } +static inline void put_io_context(struct io_context *ioc) { } static inline void exit_io_context(struct task_struct *task) { } #endif diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index 9f22ba572de0..19a41d1737af 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -217,6 +217,7 @@ struct mmc_card { #define MMC_CARD_SDXC (1<<6) /* card is SDXC */ #define MMC_CARD_REMOVED (1<<7) /* card has been removed */ #define MMC_STATE_HIGHSPEED_200 (1<<8) /* card is in HS200 mode */ +#define MMC_STATE_SLEEP (1<<9) /* card is in sleep state */ unsigned int quirks; /* card quirks */ #define MMC_QUIRK_LENIENT_FN0 (1<<0) /* allow SDIO FN0 writes outside of the VS CCCR range */ #define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1) /* use func->cur_blksize */ @@ -382,6 +383,7 @@ static inline void __maybe_unused remove_quirk(struct mmc_card *card, int data) #define mmc_sd_card_uhs(c) ((c)->state & MMC_STATE_ULTRAHIGHSPEED) #define mmc_card_ext_capacity(c) ((c)->state & MMC_CARD_SDXC) #define mmc_card_removed(c) ((c) && ((c)->state & MMC_CARD_REMOVED)) +#define mmc_card_is_sleep(c) ((c)->state & MMC_STATE_SLEEP) #define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT) #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY) @@ -393,7 +395,9 @@ static inline void __maybe_unused remove_quirk(struct mmc_card *card, int data) #define mmc_sd_card_set_uhs(c) ((c)->state |= MMC_STATE_ULTRAHIGHSPEED) #define mmc_card_set_ext_capacity(c) ((c)->state |= MMC_CARD_SDXC) #define mmc_card_set_removed(c) ((c)->state |= MMC_CARD_REMOVED) +#define mmc_card_set_sleep(c) ((c)->state |= MMC_STATE_SLEEP) +#define mmc_card_clr_sleep(c) ((c)->state &= ~MMC_STATE_SLEEP) /* * Quirk add/remove for MMC products. */ diff --git a/include/linux/mmc/dw_mmc.h b/include/linux/mmc/dw_mmc.h index e8779c6d1759..aae5d1f1bb39 100644 --- a/include/linux/mmc/dw_mmc.h +++ b/include/linux/mmc/dw_mmc.h @@ -14,6 +14,8 @@ #ifndef LINUX_MMC_DW_MMC_H #define LINUX_MMC_DW_MMC_H +#include <linux/scatterlist.h> + #define MAX_MCI_SLOTS 2 enum dw_mci_state { @@ -40,7 +42,7 @@ struct mmc_data; * @lock: Spinlock protecting the queue and associated data. * @regs: Pointer to MMIO registers. * @sg: Scatterlist entry currently being processed by PIO code, if any. - * @pio_offset: Offset into the current scatterlist entry. + * @sg_miter: PIO mapping scatterlist iterator. * @cur_slot: The slot which is currently using the controller. * @mrq: The request currently being processed on @cur_slot, * or NULL if the controller is idle. @@ -115,7 +117,7 @@ struct dw_mci { void __iomem *regs; struct scatterlist *sg; - unsigned int pio_offset; + struct sg_mapping_iter sg_miter; struct dw_mci_slot *cur_slot; struct mmc_request *mrq; diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 0beba1e5e1ed..ee2b0363c040 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -257,6 +257,7 @@ struct mmc_host { #define MMC_CAP2_HS200_1_2V_SDR (1 << 6) /* can support */ #define MMC_CAP2_HS200 (MMC_CAP2_HS200_1_8V_SDR | \ MMC_CAP2_HS200_1_2V_SDR) +#define MMC_CAP2_BROKEN_VOLTAGE (1 << 7) /* Use the broken voltage */ mmc_pm_flag_t pm_caps; /* supported pm features */ unsigned int power_notify_type; @@ -444,4 +445,23 @@ static inline int mmc_boot_partition_access(struct mmc_host *host) return !(host->caps2 & MMC_CAP2_BOOTPART_NOACC); } +#ifdef CONFIG_MMC_CLKGATE +void mmc_host_clk_hold(struct mmc_host *host); +void mmc_host_clk_release(struct mmc_host *host); +unsigned int mmc_host_clk_rate(struct mmc_host *host); + +#else +static inline void mmc_host_clk_hold(struct mmc_host *host) +{ +} + +static inline void mmc_host_clk_release(struct mmc_host *host) +{ +} + +static inline unsigned int mmc_host_clk_rate(struct mmc_host *host) +{ + return host->ios.clock; +} +#endif #endif /* LINUX_MMC_HOST_H */ diff --git a/include/linux/proportions.h b/include/linux/proportions.h index ef35bb73f69b..26a8a4ed9b07 100644 --- a/include/linux/proportions.h +++ b/include/linux/proportions.h @@ -81,7 +81,11 @@ void prop_inc_percpu(struct prop_descriptor *pd, struct prop_local_percpu *pl) * Limit the time part in order to ensure there are some bits left for the * cycle counter and fraction multiply. */ +#if BITS_PER_LONG == 32 #define PROP_MAX_SHIFT (3*BITS_PER_LONG/4) +#else +#define PROP_MAX_SHIFT (BITS_PER_LONG/2) +#endif #define PROP_FRAC_SHIFT (BITS_PER_LONG - PROP_MAX_SHIFT - 1) #define PROP_FRAC_BASE (1UL << PROP_FRAC_SHIFT) diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h index 61b29057b054..3b6f628880f8 100644 --- a/include/linux/usb/ch9.h +++ b/include/linux/usb/ch9.h @@ -589,7 +589,7 @@ static inline int usb_endpoint_is_isoc_out( */ static inline int usb_endpoint_maxp(const struct usb_endpoint_descriptor *epd) { - return le16_to_cpu(epd->wMaxPacketSize); + return __le16_to_cpu(epd->wMaxPacketSize); } /*-------------------------------------------------------------------------*/ diff --git a/include/net/flow.h b/include/net/flow.h index 9b582437fbea..6c469dbdb917 100644 --- a/include/net/flow.h +++ b/include/net/flow.h @@ -93,6 +93,16 @@ static inline void flowi4_init_output(struct flowi4 *fl4, int oif, fl4->fl4_dport = dport; fl4->fl4_sport = sport; } + +/* Reset some input parameters after previous lookup */ +static inline void flowi4_update_output(struct flowi4 *fl4, int oif, __u8 tos, + __be32 daddr, __be32 saddr) +{ + fl4->flowi4_oif = oif; + fl4->flowi4_tos = tos; + fl4->daddr = daddr; + fl4->saddr = saddr; +} struct flowi6 { diff --git a/include/net/netprio_cgroup.h b/include/net/netprio_cgroup.h index 7b2d43139c8e..d58fdec47597 100644 --- a/include/net/netprio_cgroup.h +++ b/include/net/netprio_cgroup.h @@ -37,19 +37,51 @@ extern int net_prio_subsys_id; extern void sock_update_netprioidx(struct sock *sk); -static inline struct cgroup_netprio_state - *task_netprio_state(struct task_struct *p) +#if IS_BUILTIN(CONFIG_NETPRIO_CGROUP) + +static inline u32 task_netprioidx(struct task_struct *p) { -#if IS_ENABLED(CONFIG_NETPRIO_CGROUP) - return container_of(task_subsys_state(p, net_prio_subsys_id), - struct cgroup_netprio_state, css); -#else - return NULL; -#endif + struct cgroup_netprio_state *state; + u32 idx; + + rcu_read_lock(); + state = container_of(task_subsys_state(p, net_prio_subsys_id), + struct cgroup_netprio_state, css); + idx = state->prioidx; + rcu_read_unlock(); + return idx; +} + +#elif IS_MODULE(CONFIG_NETPRIO_CGROUP) + +static inline u32 task_netprioidx(struct task_struct *p) +{ + struct cgroup_netprio_state *state; + int subsys_id; + u32 idx = 0; + + rcu_read_lock(); + subsys_id = rcu_dereference_index_check(net_prio_subsys_id, + rcu_read_lock_held()); + if (subsys_id >= 0) { + state = container_of(task_subsys_state(p, subsys_id), + struct cgroup_netprio_state, css); + idx = state->prioidx; + } + rcu_read_unlock(); + return idx; } #else +static inline u32 task_netprioidx(struct task_struct *p) +{ + return 0; +} + +#endif /* CONFIG_NETPRIO_CGROUP */ + +#else #define sock_update_netprioidx(sk) #endif diff --git a/include/net/route.h b/include/net/route.h index 91855d185b53..b1c0d5b564c2 100644 --- a/include/net/route.h +++ b/include/net/route.h @@ -270,6 +270,7 @@ static inline struct rtable *ip_route_connect(struct flowi4 *fl4, if (IS_ERR(rt)) return rt; ip_rt_put(rt); + flowi4_update_output(fl4, oif, tos, fl4->daddr, fl4->saddr); } security_sk_classify_flow(sk, flowi4_to_flowi(fl4)); return ip_route_output_flow(net, fl4, sk); @@ -284,6 +285,9 @@ static inline struct rtable *ip_route_newports(struct flowi4 *fl4, struct rtable fl4->fl4_dport = dport; fl4->fl4_sport = sport; ip_rt_put(rt); + flowi4_update_output(fl4, sk->sk_bound_dev_if, + RT_CONN_FLAGS(sk), fl4->daddr, + fl4->saddr); security_sk_classify_flow(sk, flowi4_to_flowi(fl4)); return ip_route_output_flow(sock_net(sk), fl4, sk); } diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index f6bb08b73ca4..55ce96b53b09 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -220,9 +220,16 @@ struct tcf_proto { struct qdisc_skb_cb { unsigned int pkt_len; - long data[]; + unsigned char data[24]; }; +static inline void qdisc_cb_private_validate(const struct sk_buff *skb, int sz) +{ + struct qdisc_skb_cb *qcb; + BUILD_BUG_ON(sizeof(skb->cb) < sizeof(unsigned int) + sz); + BUILD_BUG_ON(sizeof(qcb->data) < sz); +} + static inline int qdisc_qlen(const struct Qdisc *q) { return q->q.qlen; diff --git a/include/net/tcp.h b/include/net/tcp.h index d49db0113a06..42c29bfbcee3 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -273,6 +273,14 @@ static inline int between(__u32 seq1, __u32 seq2, __u32 seq3) return seq3 - seq2 >= seq1 - seq2; } +static inline bool tcp_out_of_memory(struct sock *sk) +{ + if (sk->sk_wmem_queued > SOCK_MIN_SNDBUF && + sk_memory_allocated(sk) > sk_prot_mem_limits(sk, 2)) + return true; + return false; +} + static inline bool tcp_too_many_orphans(struct sock *sk, int shift) { struct percpu_counter *ocp = sk->sk_prot->orphan_count; @@ -283,13 +291,11 @@ static inline bool tcp_too_many_orphans(struct sock *sk, int shift) if (orphans << shift > sysctl_tcp_max_orphans) return true; } - - if (sk->sk_wmem_queued > SOCK_MIN_SNDBUF && - sk_memory_allocated(sk) > sk_prot_mem_limits(sk, 2)) - return true; return false; } +extern bool tcp_check_oom(struct sock *sk, int shift); + /* syncookies: remember time of last synqueue overflow */ static inline void tcp_synq_overflow(struct sock *sk) { diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h index 8588a8918023..5973410e8f8c 100644 --- a/include/trace/events/writeback.h +++ b/include/trace/events/writeback.h @@ -47,7 +47,10 @@ DECLARE_EVENT_CLASS(writeback_work_class, __field(int, reason) ), TP_fast_assign( - strncpy(__entry->name, dev_name(bdi->dev), 32); + struct device *dev = bdi->dev; + if (!dev) + dev = default_backing_dev_info.dev; + strncpy(__entry->name, dev_name(dev), 32); __entry->nr_pages = work->nr_pages; __entry->sb_dev = work->sb ? work->sb->s_dev : 0; __entry->sync_mode = work->sync_mode; @@ -426,7 +429,7 @@ DECLARE_EVENT_CLASS(writeback_single_inode_template, TP_fast_assign( strncpy(__entry->name, - dev_name(inode->i_mapping->backing_dev_info->dev), 32); + dev_name(inode_to_bdi(inode)->dev), 32); __entry->ino = inode->i_ino; __entry->state = inode->i_state; __entry->dirtied_when = inode->dirtied_when; 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