diff options
Diffstat (limited to 'include/linux')
85 files changed, 897 insertions, 405 deletions
diff --git a/include/linux/Kbuild b/include/linux/Kbuild index 4cd59b95858f..8760be30b375 100644 --- a/include/linux/Kbuild +++ b/include/linux/Kbuild @@ -225,6 +225,8 @@ header-y += kd.h header-y += kdev_t.h header-y += kernel.h header-y += kernelcapi.h +header-y += kernel-page-flags.h +header-y += kexec.h header-y += keyboard.h header-y += keyctl.h header-y += l2tp.h diff --git a/include/linux/apple_bl.h b/include/linux/apple_bl.h index 47bedc0eee69..0a95e730fcea 100644 --- a/include/linux/apple_bl.h +++ b/include/linux/apple_bl.h @@ -5,7 +5,7 @@ #ifndef _LINUX_APPLE_BL_H #define _LINUX_APPLE_BL_H -#ifdef CONFIG_BACKLIGHT_APPLE +#if defined(CONFIG_BACKLIGHT_APPLE) || defined(CONFIG_BACKLIGHT_APPLE_MODULE) extern int apple_bl_register(void); extern void apple_bl_unregister(void); diff --git a/include/linux/bio.h b/include/linux/bio.h index 4d94eb8bcbcc..26435890dc87 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -269,6 +269,14 @@ extern struct bio_vec *bvec_alloc_bs(gfp_t, int, unsigned long *, struct bio_set extern void bvec_free_bs(struct bio_set *, struct bio_vec *, unsigned int); extern unsigned int bvec_nr_vecs(unsigned short idx); +#ifdef CONFIG_BLK_CGROUP +int bio_associate_current(struct bio *bio); +void bio_disassociate_task(struct bio *bio); +#else /* CONFIG_BLK_CGROUP */ +static inline int bio_associate_current(struct bio *bio) { return -ENOENT; } +static inline void bio_disassociate_task(struct bio *bio) { } +#endif /* CONFIG_BLK_CGROUP */ + /* * bio_set is used to allow other portions of the IO system to * allocate their own private memory pools for bio and iovec structures. diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 4053cbd4490e..0edb65dd8edd 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -14,6 +14,8 @@ struct bio; struct bio_integrity_payload; struct page; struct block_device; +struct io_context; +struct cgroup_subsys_state; typedef void (bio_end_io_t) (struct bio *, int); typedef void (bio_destructor_t) (struct bio *); @@ -66,6 +68,14 @@ struct bio { bio_end_io_t *bi_end_io; void *bi_private; +#ifdef CONFIG_BLK_CGROUP + /* + * Optional ioc and css associated with this bio. Put on bio + * release. Read comment on top of bio_associate_current(). + */ + struct io_context *bi_ioc; + struct cgroup_subsys_state *bi_css; +#endif #if defined(CONFIG_BLK_DEV_INTEGRITY) struct bio_integrity_payload *bi_integrity; /* data integrity */ #endif diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 4d4ac24a263e..ba43f408baa3 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -32,10 +32,17 @@ struct blk_trace; struct request; struct sg_io_hdr; struct bsg_job; +struct blkcg_gq; #define BLKDEV_MIN_RQ 4 #define BLKDEV_MAX_RQ 128 /* Default maximum */ +/* + * Maximum number of blkcg policies allowed to be registered concurrently. + * Defined here to simplify include dependency. + */ +#define BLKCG_MAX_POLS 2 + struct request; typedef void (rq_end_io_fn)(struct request *, int); @@ -363,6 +370,11 @@ struct request_queue { struct list_head timeout_list; struct list_head icq_list; +#ifdef CONFIG_BLK_CGROUP + DECLARE_BITMAP (blkcg_pols, BLKCG_MAX_POLS); + struct blkcg_gq *root_blkg; + struct list_head blkg_list; +#endif struct queue_limits limits; @@ -390,12 +402,17 @@ struct request_queue { struct mutex sysfs_lock; + int bypass_depth; + #if defined(CONFIG_BLK_DEV_BSG) bsg_job_fn *bsg_job_fn; int bsg_job_size; struct bsg_class_device bsg_dev; #endif +#ifdef CONFIG_BLK_CGROUP + struct list_head all_q_node; +#endif #ifdef CONFIG_BLK_DEV_THROTTLING /* Throttle data */ struct throtl_data *td; @@ -407,7 +424,7 @@ struct request_queue { #define QUEUE_FLAG_SYNCFULL 3 /* read queue has been filled */ #define QUEUE_FLAG_ASYNCFULL 4 /* write queue has been filled */ #define QUEUE_FLAG_DEAD 5 /* queue being torn down */ -#define QUEUE_FLAG_ELVSWITCH 6 /* don't use elevator, just do FIFO */ +#define QUEUE_FLAG_BYPASS 6 /* act as dumb FIFO queue */ #define QUEUE_FLAG_BIDI 7 /* queue supports bidi requests */ #define QUEUE_FLAG_NOMERGES 8 /* disable merge attempts */ #define QUEUE_FLAG_SAME_COMP 9 /* complete on same CPU-group */ @@ -491,6 +508,7 @@ static inline void queue_flag_clear(unsigned int flag, struct request_queue *q) #define blk_queue_tagged(q) test_bit(QUEUE_FLAG_QUEUED, &(q)->queue_flags) #define blk_queue_stopped(q) test_bit(QUEUE_FLAG_STOPPED, &(q)->queue_flags) #define blk_queue_dead(q) test_bit(QUEUE_FLAG_DEAD, &(q)->queue_flags) +#define blk_queue_bypass(q) test_bit(QUEUE_FLAG_BYPASS, &(q)->queue_flags) #define blk_queue_nomerges(q) test_bit(QUEUE_FLAG_NOMERGES, &(q)->queue_flags) #define blk_queue_noxmerges(q) \ test_bit(QUEUE_FLAG_NOXMERGES, &(q)->queue_flags) diff --git a/include/linux/bootmem.h b/include/linux/bootmem.h index 1a0cd270bb7a..324fe08ea3b1 100644 --- a/include/linux/bootmem.h +++ b/include/linux/bootmem.h @@ -135,9 +135,6 @@ extern void *__alloc_bootmem_low_node(pg_data_t *pgdat, extern int reserve_bootmem_generic(unsigned long addr, unsigned long size, int flags); -extern void *alloc_bootmem_section(unsigned long size, - unsigned long section_nr); - #ifdef CONFIG_HAVE_ARCH_ALLOC_REMAP extern void *alloc_remap(int nid, unsigned long size); #else diff --git a/include/linux/bug.h b/include/linux/bug.h index 72961c39576a..aaac4bba6f5c 100644 --- a/include/linux/bug.h +++ b/include/linux/bug.h @@ -30,6 +30,13 @@ struct pt_regs; #define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); })) #define BUILD_BUG_ON_NULL(e) ((void *)sizeof(struct { int:-!!(e); })) +/* + * BUILD_BUG_ON_INVALID() permits the compiler to check the validity of the + * expression but avoids the generation of any code, even if that expression + * has side-effects. + */ +#define BUILD_BUG_ON_INVALID(e) ((void)(sizeof((__force long)(e)))) + /** * BUILD_BUG_ON - break compile if a condition is true. * @condition: the condition which the compiler should know is false. diff --git a/include/linux/ceph/auth.h b/include/linux/ceph/auth.h index aa13392a7efb..d4080f309b56 100644 --- a/include/linux/ceph/auth.h +++ b/include/linux/ceph/auth.h @@ -14,6 +14,14 @@ struct ceph_auth_client; struct ceph_authorizer; +struct ceph_auth_handshake { + struct ceph_authorizer *authorizer; + void *authorizer_buf; + size_t authorizer_buf_len; + void *authorizer_reply_buf; + size_t authorizer_reply_buf_len; +}; + struct ceph_auth_client_ops { const char *name; @@ -43,9 +51,7 @@ struct ceph_auth_client_ops { * the response to authenticate the service. */ int (*create_authorizer)(struct ceph_auth_client *ac, int peer_type, - struct ceph_authorizer **a, - void **buf, size_t *len, - void **reply_buf, size_t *reply_len); + struct ceph_auth_handshake *auth); int (*verify_authorizer_reply)(struct ceph_auth_client *ac, struct ceph_authorizer *a, size_t len); void (*destroy_authorizer)(struct ceph_auth_client *ac, diff --git a/include/linux/ceph/ceph_fs.h b/include/linux/ceph/ceph_fs.h index b8c60694b2b0..e81ab30d4896 100644 --- a/include/linux/ceph/ceph_fs.h +++ b/include/linux/ceph/ceph_fs.h @@ -65,7 +65,7 @@ struct ceph_file_layout { __le32 fl_object_stripe_unit; /* UNUSED. for per-object parity, if any */ /* object -> pg layout */ - __le32 fl_pg_preferred; /* preferred primary for pg (-1 for none) */ + __le32 fl_unused; /* unused; used to be preferred primary (-1) */ __le32 fl_pg_pool; /* namespace, crush ruleset, rep level */ } __attribute__ ((packed)); @@ -384,7 +384,7 @@ union ceph_mds_request_args { __le32 stripe_count; /* ... */ __le32 object_size; __le32 file_replication; - __le32 preferred; + __le32 unused; /* used to be preferred osd */ } __attribute__ ((packed)) open; struct { __le32 flags; diff --git a/include/linux/ceph/decode.h b/include/linux/ceph/decode.h index 220ae21e819b..d8615dee5808 100644 --- a/include/linux/ceph/decode.h +++ b/include/linux/ceph/decode.h @@ -46,9 +46,14 @@ static inline void ceph_decode_copy(void **p, void *pv, size_t n) /* * bounds check input. */ +static inline int ceph_has_room(void **p, void *end, size_t n) +{ + return end >= *p && n <= end - *p; +} + #define ceph_decode_need(p, end, n, bad) \ do { \ - if (unlikely(*(p) + (n) > (end))) \ + if (!likely(ceph_has_room(p, end, n))) \ goto bad; \ } while (0) @@ -167,7 +172,7 @@ static inline void ceph_encode_string(void **p, void *end, #define ceph_encode_need(p, end, n, bad) \ do { \ - if (unlikely(*(p) + (n) > (end))) \ + if (!likely(ceph_has_room(p, end, n))) \ goto bad; \ } while (0) diff --git a/include/linux/ceph/messenger.h b/include/linux/ceph/messenger.h index 3bff047f6b0f..2521a95fa6d9 100644 --- a/include/linux/ceph/messenger.h +++ b/include/linux/ceph/messenger.h @@ -25,9 +25,9 @@ struct ceph_connection_operations { void (*dispatch) (struct ceph_connection *con, struct ceph_msg *m); /* authorize an outgoing connection */ - int (*get_authorizer) (struct ceph_connection *con, - void **buf, int *len, int *proto, - void **reply_buf, int *reply_len, int force_new); + struct ceph_auth_handshake *(*get_authorizer) ( + struct ceph_connection *con, + int *proto, int force_new); int (*verify_authorizer_reply) (struct ceph_connection *con, int len); int (*invalidate_authorizer)(struct ceph_connection *con); diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h index 7c05ac202d90..cedfb1a8434a 100644 --- a/include/linux/ceph/osd_client.h +++ b/include/linux/ceph/osd_client.h @@ -6,9 +6,10 @@ #include <linux/mempool.h> #include <linux/rbtree.h> -#include "types.h" -#include "osdmap.h" -#include "messenger.h" +#include <linux/ceph/types.h> +#include <linux/ceph/osdmap.h> +#include <linux/ceph/messenger.h> +#include <linux/ceph/auth.h> /* * Maximum object name size @@ -40,9 +41,7 @@ struct ceph_osd { struct list_head o_requests; struct list_head o_linger_requests; struct list_head o_osd_lru; - struct ceph_authorizer *o_authorizer; - void *o_authorizer_buf, *o_authorizer_reply_buf; - size_t o_authorizer_buf_len, o_authorizer_reply_buf_len; + struct ceph_auth_handshake o_auth; unsigned long lru_ttl; int o_marked_for_keepalive; struct list_head o_keepalive_item; diff --git a/include/linux/ceph/osdmap.h b/include/linux/ceph/osdmap.h index ba4c205cbb01..311ef8d6aa9e 100644 --- a/include/linux/ceph/osdmap.h +++ b/include/linux/ceph/osdmap.h @@ -65,8 +65,6 @@ struct ceph_osdmap { #define ceph_file_layout_cas_hash(l) ((__s32)le32_to_cpu((l).fl_cas_hash)) #define ceph_file_layout_object_su(l) \ ((__s32)le32_to_cpu((l).fl_object_stripe_unit)) |