diff options
Diffstat (limited to 'include')
45 files changed, 305 insertions, 128 deletions
diff --git a/include/dt-bindings/dma/nbpfaxi.h b/include/dt-bindings/dma/nbpfaxi.h new file mode 100644 index 000000000000..c1a5b9e0d6a4 --- /dev/null +++ b/include/dt-bindings/dma/nbpfaxi.h @@ -0,0 +1,20 @@ +/* + * Copyright (C) 2013-2014 Renesas Electronics Europe Ltd. + * Author: Guennadi Liakhovetski <g.liakhovetski@gmx.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + */ + +#ifndef DT_BINDINGS_NBPFAXI_H +#define DT_BINDINGS_NBPFAXI_H + +/** + * Use "#dma-cells = <2>;" with the second integer defining slave DMA flags: + */ +#define NBPF_SLAVE_RQ_HIGH 1 +#define NBPF_SLAVE_RQ_LOW 2 +#define NBPF_SLAVE_RQ_LEVEL 4 + +#endif diff --git a/include/linux/acct.h b/include/linux/acct.h index 4a5b7cb56079..dccc2d4fe7de 100644 --- a/include/linux/acct.h +++ b/include/linux/acct.h @@ -24,14 +24,10 @@ struct super_block; struct pacct_struct; struct pid_namespace; extern int acct_parm[]; /* for sysctl */ -extern void acct_auto_close_mnt(struct vfsmount *m); -extern void acct_auto_close(struct super_block *sb); extern void acct_collect(long exitcode, int group_dead); extern void acct_process(void); extern void acct_exit_ns(struct pid_namespace *); #else -#define acct_auto_close_mnt(x) do { } while (0) -#define acct_auto_close(x) do { } while (0) #define acct_collect(x,y) do { } while (0) #define acct_process() do { } while (0) #define acct_exit_ns(ns) do { } while (0) diff --git a/include/linux/bio.h b/include/linux/bio.h index d2633ee099d9..b39e5000ff58 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -308,6 +308,7 @@ struct bio_integrity_payload { unsigned short bip_slab; /* slab the bip came from */ unsigned short bip_vcnt; /* # of integrity bio_vecs */ + unsigned short bip_max_vcnt; /* integrity bio_vec slots */ unsigned bip_owns_buf:1; /* should free bip_buf */ struct work_struct bip_work; /* I/O completion */ diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 8699bcf5f099..518b46555b80 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -21,6 +21,7 @@ #include <linux/bsg.h> #include <linux/smp.h> #include <linux/rcupdate.h> +#include <linux/percpu-refcount.h> #include <asm/scatterlist.h> @@ -470,6 +471,7 @@ struct request_queue { struct mutex sysfs_lock; int bypass_depth; + int mq_freeze_depth; #if defined(CONFIG_BLK_DEV_BSG) bsg_job_fn *bsg_job_fn; @@ -483,7 +485,7 @@ struct request_queue { #endif struct rcu_head rcu_head; wait_queue_head_t mq_freeze_wq; - struct percpu_counter mq_usage_counter; + struct percpu_ref mq_usage_counter; struct list_head all_q_node; struct blk_mq_tag_set *tag_set; diff --git a/include/linux/ceph/messenger.h b/include/linux/ceph/messenger.h index d21f2dba0731..40ae58e3e9db 100644 --- a/include/linux/ceph/messenger.h +++ b/include/linux/ceph/messenger.h @@ -285,19 +285,9 @@ extern void ceph_msg_data_add_bio(struct ceph_msg *msg, struct bio *bio, extern struct ceph_msg *ceph_msg_new(int type, int front_len, gfp_t flags, bool can_fail); -extern void ceph_msg_kfree(struct ceph_msg *m); - -static inline struct ceph_msg *ceph_msg_get(struct ceph_msg *msg) -{ - kref_get(&msg->kref); - return msg; -} -extern void ceph_msg_last_put(struct kref *kref); -static inline void ceph_msg_put(struct ceph_msg *msg) -{ - kref_put(&msg->kref, ceph_msg_last_put); -} +extern struct ceph_msg *ceph_msg_get(struct ceph_msg *msg); +extern void ceph_msg_put(struct ceph_msg *msg); extern void ceph_msg_dump(struct ceph_msg *msg); diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h index 94ec69672164..03aeb27fcc69 100644 --- a/include/linux/ceph/osd_client.h +++ b/include/linux/ceph/osd_client.h @@ -117,7 +117,7 @@ struct ceph_osd_request { struct list_head r_req_lru_item; struct list_head r_osd_item; struct list_head r_linger_item; - struct list_head r_linger_osd; + struct list_head r_linger_osd_item; struct ceph_osd *r_osd; struct ceph_pg r_pgid; int r_pg_osds[CEPH_PG_MAX_SIZE]; @@ -325,22 +325,14 @@ extern struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *, extern void ceph_osdc_set_request_linger(struct ceph_osd_client *osdc, struct ceph_osd_request *req); -extern void ceph_osdc_unregister_linger_request(struct ceph_osd_client *osdc, - struct ceph_osd_request *req); - -static inline void ceph_osdc_get_request(struct ceph_osd_request *req) -{ - kref_get(&req->r_kref); -} -extern void ceph_osdc_release_request(struct kref *kref); -static inline void ceph_osdc_put_request(struct ceph_osd_request *req) -{ - kref_put(&req->r_kref, ceph_osdc_release_request); -} + +extern void ceph_osdc_get_request(struct ceph_osd_request *req); +extern void ceph_osdc_put_request(struct ceph_osd_request *req); extern int ceph_osdc_start_request(struct ceph_osd_client *osdc, struct ceph_osd_request *req, bool nofail); +extern void ceph_osdc_cancel_request(struct ceph_osd_request *req); extern int ceph_osdc_wait_request(struct ceph_osd_client *osdc, struct ceph_osd_request *req); extern void ceph_osdc_sync(struct ceph_osd_client *osdc); diff --git a/include/linux/dcache.h b/include/linux/dcache.h index 3c7ec327ebd2..e4ae2ad48d07 100644 --- a/include/linux/dcache.h +++ b/include/linux/dcache.h @@ -249,6 +249,7 @@ extern struct dentry * d_splice_alias(struct inode *, struct dentry *); extern struct dentry * d_add_ci(struct dentry *, struct inode *, struct qstr *); extern struct dentry *d_find_any_alias(struct inode *inode); extern struct dentry * d_obtain_alias(struct inode *); +extern struct dentry * d_obtain_root(struct inode *); extern void shrink_dcache_sb(struct super_block *); extern void shrink_dcache_parent(struct dentry *); extern void shrink_dcache_for_umount(struct super_block *); diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 3d1c2aa51530..1f9e642c66ad 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -37,7 +37,6 @@ */ typedef s32 dma_cookie_t; #define DMA_MIN_COOKIE 1 -#define DMA_MAX_COOKIE INT_MAX static inline int dma_submit_error(dma_cookie_t cookie) { @@ -671,7 +670,7 @@ struct dma_device { struct dma_async_tx_descriptor *(*device_prep_dma_cyclic)( struct dma_chan *chan, dma_addr_t buf_addr, size_t buf_len, size_t period_len, enum dma_transfer_direction direction, - unsigned long flags, void *context); + unsigned long flags); struct dma_async_tx_descriptor *(*device_prep_interleaved_dma)( struct dma_chan *chan, struct dma_interleaved_template *xt, unsigned long flags); @@ -746,7 +745,7 @@ static inline struct dma_async_tx_descriptor *dmaengine_prep_dma_cyclic( unsigned long flags) { return chan->device->device_prep_dma_cyclic(chan, buf_addr, buf_len, - period_len, dir, flags, NULL); + period_len, dir, flags); } static inline struct dma_async_tx_descriptor *dmaengine_prep_interleaved_dma( diff --git a/include/linux/drbd.h b/include/linux/drbd.h index 3dbe9bd57a09..debb70d40547 100644 --- a/include/linux/drbd.h +++ b/include/linux/drbd.h @@ -52,7 +52,7 @@ #endif extern const char *drbd_buildtag(void); -#define REL_VERSION "8.4.3" +#define REL_VERSION "8.4.5" #define API_VERSION 1 #define PRO_VERSION_MIN 86 #define PRO_VERSION_MAX 101 @@ -245,7 +245,7 @@ enum drbd_disk_state { D_DISKLESS, D_ATTACHING, /* In the process of reading the meta-data */ D_FAILED, /* Becomes D_DISKLESS as soon as we told it the peer */ - /* when >= D_FAILED it is legal to access mdev->bc */ + /* when >= D_FAILED it is legal to access mdev->ldev */ D_NEGOTIATING, /* Late attaching state, we need to talk to the peer */ D_INCONSISTENT, D_OUTDATED, diff --git a/include/linux/drbd_genl.h b/include/linux/drbd_genl.h index 4193f5f2636c..7b131ed8f9c6 100644 --- a/include/linux/drbd_genl.h +++ b/include/linux/drbd_genl.h @@ -171,6 +171,10 @@ GENL_struct(DRBD_NLA_NET_CONF, 5, net_conf, __flg_field(28, DRBD_GENLA_F_MANDATORY | DRBD_F_INVARIANT, tentative) __flg_field_def(29, DRBD_GENLA_F_MANDATORY, use_rle, DRBD_USE_RLE_DEF) /* 9: __u32_field_def(30, DRBD_GENLA_F_MANDATORY, fencing_policy, DRBD_FENCING_DEF) */ + /* 9: __str_field_def(31, DRBD_GENLA_F_MANDATORY, name, SHARED_SECRET_MAX) */ + /* 9: __u32_field(32, DRBD_F_REQUIRED | DRBD_F_INVARIANT, peer_node_id) */ + __flg_field_def(33, 0 /* OPTIONAL */, csums_after_crash_only, DRBD_CSUMS_AFTER_CRASH_ONLY_DEF) + __u32_field_def(34, 0 /* OPTIONAL */, sock_check_timeo, DRBD_SOCKET_CHECK_TIMEO_DEF) ) GENL_struct(DRBD_NLA_SET_ROLE_PARMS, 6, set_role_parms, diff --git a/include/linux/drbd_limits.h b/include/linux/drbd_limits.h index 17e50bb00521..8ac8c5d9a3ad 100644 --- a/include/linux/drbd_limits.h +++ b/include/linux/drbd_limits.h @@ -214,6 +214,7 @@ #define DRBD_ALLOW_TWO_PRIMARIES_DEF 0 #define DRBD_ALWAYS_ASBP_DEF 0 #define DRBD_USE_RLE_DEF 1 +#define DRBD_CSUMS_AFTER_CRASH_ONLY_DEF 0 #define DRBD_AL_STRIPES_MIN 1 #define DRBD_AL_STRIPES_MAX 1024 @@ -224,4 +225,9 @@ #define DRBD_AL_STRIPE_SIZE_MAX 16777216 #define DRBD_AL_STRIPE_SIZE_DEF 32 #define DRBD_AL_STRIPE_SIZE_SCALE 'k' /* kilobytes */ + +#define DRBD_SOCKET_CHECK_TIMEO_MIN 0 +#define DRBD_SOCKET_CHECK_TIMEO_MAX DRBD_PING_TIMEO_MAX +#define DRBD_SOCKET_CHECK_TIMEO_DEF 0 +#define DRBD_SOCKET_CHECK_TIMEO_SCALE '1' #endif diff --git a/include/linux/fs.h b/include/linux/fs.h index f0890e4a7c25..94187721ad41 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1275,6 +1275,7 @@ struct super_block { /* AIO completions deferred from interrupt context */ struct workqueue_struct *s_dio_done_wq; + struct hlist_head s_pins; /* * Keep the lru lists last in the structure so they always sit on their @@ -2360,6 +2361,7 @@ extern int do_pipe_flags(int *, int); extern int kernel_read(struct file *, loff_t, char *, unsigned long); extern ssize_t kernel_write(struct file *, const char *, size_t, loff_t); +extern ssize_t __kernel_write(struct file *, const char *, size_t, loff_t *); extern struct file * open_exec(const char *); /* fs/dcache.c -- generic fs support functions */ diff --git a/include/linux/fs_pin.h b/include/linux/fs_pin.h new file mode 100644 index 000000000000..f66525e72ccf --- /dev/null +++ b/include/linux/fs_pin.h @@ -0,0 +1,17 @@ +#include <linux/fs.h> + +struct fs_pin { + atomic_long_t count; + union { + struct { + struct hlist_node s_list; + struct hlist_node m_list; + }; + struct rcu_head rcu; + }; + void (*kill)(struct fs_pin *); +}; + +void pin_put(struct fs_pin *); +void pin_remove(struct fs_pin *); +void pin_insert(struct fs_pin *, struct vfsmount *); diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index 4967916fe4ac..d69f0577a319 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -187,7 +187,6 @@ vlan_dev_get_egress_qos_mask(struct net_device *dev, u32 skprio) } extern bool vlan_do_receive(struct sk_buff **skb); -extern struct sk_buff *vlan_untag(struct sk_buff *skb); extern int vlan_vid_add(struct net_device *dev, __be16 proto, u16 vid); extern void vlan_vid_del(struct net_device *dev, __be16 proto, u16 vid); @@ -241,11 +240,6 @@ static inline bool vlan_do_receive(struct sk_buff **skb) return false; } -static inline struct sk_buff *vlan_untag(struct sk_buff *skb) -{ - return skb; -} - static inline int vlan_vid_add(struct net_device *dev, __be16 proto, u16 vid) { return 0; diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 31ae66f34235..95624bed87ef 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -845,5 +845,7 @@ static inline void ftrace_dump(enum ftrace_dump_mode oops_dump_mode) { } /* User perms >= group perms >= other perms */ \ BUILD_BUG_ON_ZERO(((perms) >> 6) < (((perms) >> 3) & 7)) + \ BUILD_BUG_ON_ZERO((((perms) >> 3) & 7) < ((perms) & 7)) + \ + /* Other writable? Generally considered a bad idea. */ \ + BUILD_BUG_ON_ZERO((perms) & 2) + \ (perms)) #endif diff --git a/include/linux/mmc/dw_mmc.h b/include/linux/mmc/dw_mmc.h index babaea93bca6..29ce014ab421 100644 --- a/include/linux/mmc/dw_mmc.h +++ b/include/linux/mmc/dw_mmc.h @@ -213,6 +213,8 @@ struct dw_mci_dma_ops { #define DW_MCI_QUIRK_HIGHSPEED BIT(2) /* Unreliable card detection */ #define DW_MCI_QUIRK_BROKEN_CARD_DETECTION BIT(3) +/* No write protect */ +#define DW_MCI_QUIRK_NO_WRITE_PROTECT BIT(4) /* Slot level quirks */ /* This slot has no write protect */ diff --git a/include/linux/mmc/sdhci.h b/include/linux/mmc/sdhci.h index 08abe9941884..09ebe57d5ce9 100644 --- a/include/linux/mmc/sdhci.h +++ b/include/linux/mmc/sdhci.h @@ -104,9 +104,6 @@ struct sdhci_host { const struct sdhci_ops *ops; /* Low level hw interface */ - struct regulator *vmmc; /* Power regulator (vmmc) */ - struct regulator *vqmmc; /* Signaling regulator (vccq) */ - /* Internal data */ struct mmc_host *mmc; /* MMC structure */ u64 dma_mask; /* custom DMA mask */ diff --git a/include/linux/module.h b/include/linux/module.h index f520a767c86c..71f282a4e307 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -396,18 +396,25 @@ bool is_module_address(unsigned long addr); bool is_module_percpu_address(unsigned long addr); bool is_module_text_address(unsigned long addr); -static inline int within_module_core(unsigned long addr, const struct module *mod) +static inline bool within_module_core(unsigned long addr, + const struct module *mod) { return (unsigned long)mod->module_core <= addr && addr < (unsigned long)mod->module_core + mod->core_size; } -static inline int within_module_init(unsigned long addr, const struct module *mod) +static inline bool within_module_init(unsigned long addr, + const struct module *mod) { return (unsigned long)mod->module_init <= addr && addr < (unsigned long)mod->module_init + mod->init_size; } +static inline bool within_module(unsigned long addr, const struct module *mod) +{ + return within_module_init(addr, mod) || within_module_core(addr, mod); +} + /* Search for module by name: must hold module_mutex. */ struct module *find_module(const char *name); diff --git a/include/linux/moduleloader.h b/include/linux/moduleloader.h index 560ca53a75fa..7eeb9bbfb816 100644 --- a/include/linux/moduleloader.h +++ b/include/linux/moduleloader.h @@ -45,7 +45,8 @@ static inline int apply_relocate(Elf_Shdr *sechdrs, unsigned int relsec, struct module *me) { - printk(KERN_ERR "module %s: REL relocation unsupported\n", me->name); + printk(KERN_ERR "module %s: REL relocation unsupported\n", + module_name(me)); return -ENOEXEC; } #endif @@ -67,7 +68,8 @@ static inline int apply_relocate_add(Elf_Shdr *sechdrs, unsigned int relsec, struct module *me) { - printk(KERN_ERR "module %s: REL relocation unsupported\n", me->name); + printk(KERN_ERR "module %s: REL relocation unsupported\n", + module_name(me)); return -ENOEXEC; } #endif diff --git a/include/linux/mount.h b/include/linux/mount.h index b0c1e6574e7f..9262e4bf0cc3 100644 --- a/include/linux/mount.h +++ b/include/linux/mount.h @@ -69,6 +69,7 @@ struct vfsmount { }; struct file; /* forward dec */ +struct path; extern int mnt_want_write(struct vfsmount *mnt); extern int mnt_want_write_file(struct file *file); @@ -77,8 +78,7 @@ extern void mnt_drop_write(struct vfsmount *mnt); extern void mnt_drop_write_file(struct file *file); extern void mntput(struct vfsmount *mnt); extern struct vfsmount *mntget(struct vfsmount *mnt); -extern void mnt_pin(struct vfsmount *mnt); -extern void mnt_unpin(struct vfsmount *mnt); +extern struct vfsmount *mnt_clone_internal(struct path *path); extern int __mnt_is_readonly(struct vfsmount *mnt); struct file_system_type; diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index e30f6059ecd6..5180a7ededec 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -52,6 +52,7 @@ struct nfs_access_entry { unsigned long jiffies; struct rpc_cred * cred; int mask; + struct rcu_head rcu_head; }; struct nfs_lockowner { @@ -352,6 +353,7 @@ extern int nfs_release(struct inode *, struct file *); extern int nfs_attribute_timeout(struct inode *inode); extern int nfs_attribute_cache_expired(struct inode *inode); extern int nfs_revalidate_inode(struct nfs_server *server, struct inode *inode); +extern int nfs_revalidate_inode_rcu(struct nfs_server *server, struct inode *inode); extern int __nfs_revalidate_inode(struct nfs_server *, struct inode *); extern int nfs_revalidate_mapping(struct inode *inode, struct address_space *mapping); extern int nfs_setattr(struct dentry *, struct iattr *); diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index 1150ea41b626..922be2e050f5 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -45,6 +45,7 @@ struct nfs_client { struct sockaddr_storage cl_addr; /* server identifier */ size_t cl_addrlen; char * cl_hostname; /* hostname of server */ + char * cl_acceptor; /* GSSAPI acceptor name */ struct list_head cl_share_link; /* link in global client list */ struct list_head cl_superblocks; /* List of nfs_server structs */ diff --git a/include/linux/nfs_page.h b/include/linux/nfs_page.h index 7d9096d95d4a..6ad2bbcad405 100644 --- a/include/linux/nfs_page.h +++ b/include/linux/nfs_page.h @@ -26,7 +26,7 @@ enum { PG_MAPPED, /* page private set for buffered io */ PG_CLEAN, /* write succeeded */ PG_COMMIT_TO_DS, /* used by pnfs layouts */ - PG_INODE_REF, /* extra ref held by inode (head req only) */ + PG_INODE_REF, /* extra ref held by inode when in writeback */ PG_HEADLOCK, /* page group lock of wb_head */ PG_TEARDOWN, /* page group sync for destroy */ PG_UNLOCKPAGE, /* page group sync bit in read path */ @@ -62,12 +62,13 @@ struct nfs_pageio_ops { struct nfs_rw_ops { const fmode_t rw_mode; - struct nfs_rw_header *(*rw_alloc_header)(void); - void (*rw_free_header)(struct nfs_rw_header *); - void (*rw_release)(struct nfs_pgio_data *); - int (*rw_done)(struct rpc_task *, struct nfs_pgio_data *, struct inode *); - void (*rw_result)(struct rpc_task *, struct nfs_pgio_data *); - void (*rw_initiate)(struct nfs_pgio_data *, struct rpc_message *, + struct nfs_pgio_header *(*rw_alloc_header)(void); + void (*rw_free_header)(struct nfs_pgio_header *); + void (*rw_release)(struct nfs_pgio_header *); + int (*rw_done)(struct rpc_task *, struct nfs_pgio_header *, + struct inode *); + void (*rw_result)(struct rpc_task *, struct nfs_pgio_header *); + void (*rw_initiate)(struct nfs_pgio_header *, struct rpc_message *, struct rpc_task_setup *, int); }; @@ -111,6 +112,8 @@ extern void nfs_pageio_init(struct nfs_pageio_descriptor *desc, int how); extern int nfs_pageio_add_request(struct nfs_pageio_descriptor *, struct nfs_page *); +extern int nfs_pageio_resend(struct nfs_pageio_descriptor *, + struct nfs_pgio_header *); extern void nfs_pageio_complete(struct nfs_pageio_descriptor *desc); extern void nfs_pageio_cond_complete(struct nfs_pageio_descriptor *, pgoff_t); extern size_t nfs_generic_pg_test(struct nfs_pageio_descriptor *desc, @@ -119,7 +122,7 @@ extern size_t nfs_generic_pg_test(struct nfs_pageio_descriptor *desc, extern int nfs_wait_on_request(struct nfs_page *); extern void nfs_unlock_request(struct nfs_page *req); extern void nfs_unlock_and_release_request(struct nfs_page *); -extern void nfs_page_group_lock(struct nfs_page *); +extern int nfs_page_group_lock(struct nfs_page *, bool); extern void nfs_page_group_unlock(struct nfs_page *); extern bool nfs_page_group_sync_on_bit(struct nfs_page *, unsigned int); diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index 9a1396e70310..0040629894df 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -993,6 +993,7 @@ struct nfs4_setclientid { unsigned int sc_uaddr_len; char sc_uaddr[RPCBIND_MAXUADDRLEN + 1]; u32 sc_cb_ident; + struct rpc_cred *sc_cred; }; struct nfs4_setclientid_res { @@ -1253,18 +1254,12 @@ enum { NFS_IOHDR_ERROR = 0, NFS_IOHDR_EOF, NFS_IOHDR_REDO, - NFS_IOHDR_NEED_COMMIT, - NFS_IOHDR_NEED_RESCHED, }; -struct nfs_pgio_data; - struct nfs_pgio_header { struct inode *inode; struct rpc_cred *cred; struct list_head pages; - struct nfs_pgio_data *data; - atomic_t refcnt; struct nfs_page *req; struct nfs_writeverf verf; /* Used for writes */ struct pnfs_layout_segment *lseg; @@ -1281,28 +1276,22 @@ struct nfs_pgio_header { int error; /* merge with pnfs_error */ unsigned long good_bytes; /* boundary of good data */ unsigned long flags; -}; -struct nfs_pgio_data { - struct nfs_pgio_header *header; + /* + * rpc data + */ struct rpc_task task; struct nfs_fattr fattr; - struct nfs_writeverf verf; /* Used for writes */ struct nfs_pgio_args args; /* argument struct */ struct nfs_pgio_res res; /* result struct */ unsigned long timestamp; /* For lease renewal */ - int (*pgio_done_cb) (struct rpc_task *task, struct nfs_pgio_data *data); + int (*pgio_done_cb)(struct rpc_task *, struct nfs_pgio_header *); __u64 mds_offset; /* Filelayout dense stripe */ - struct nfs_page_array pages; + struct nfs_page_array page_array; struct nfs_client *ds_clp; /* pNFS data server */ int ds_idx; /* ds index if ds_clp is set */ }; -struct nfs_rw_header { - struct nfs_pgio_header header; - struct nfs_pgio_data rpc_data; -}; - struct nfs_mds_commit_info { atomic_t rpcs_out; unsigned long ncommit; @@ -1432,11 +1421,12 @@ struct nfs_rpc_ops { struct nfs_pathconf *); int (*set_capabilities)(struct nfs_server *, struct nfs_fh *); int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int); - int (*pgio_rpc_prepare)(struct rpc_task *, struct nfs_pgio_data *); - void (*read_setup) (struct nfs_pgio_data *, struct rpc_message *); - int (*read_done) (struct rpc_task *, struct nfs_pgio_data *); - void (*write_setup) (struct nfs_pgio_data *, struct rpc_message *); - int (*write_done) (struct rpc_task *, struct nfs_pgio_data *); + int (*pgio_rpc_prepare)(struct rpc_task *, + struct nfs_pgio_header *); + void (*read_setup)(struct nfs_pgio_header *, struct rpc_message *); + int (*read_done)(struct rpc_task *, struct nfs_pgio_header *); + void (*write_setup)(struct nfs_pgio_header *, struct rpc_message *); + int (*write_done)(struct rpc_task *, struct nfs_pgio_header *); void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *); void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *); int (*commit_done) (struct rpc_task *, struct nfs_commit_data *); diff --git a/include/linux/of.h b/include/linux/of.h index 196b34c1ef4e..6c4363b8ddc3 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -74,8 +74,6 @@ struct of_phandle_args { uint32_t args[MAX_PHANDLE_ARGS]; }; -extern int of_node_add(struct device_node *node); - /* initialize a node */ extern struct kobj_type of_node_ktype; static inline void of_node_init(struct device_node *node) @@ -113,6 +111,7 @@ static inline void of_node_put(struct device_node *node) { } extern struct device_node *of_allnodes; extern struct device_node *of_chosen; extern struct device_node *of_aliases; +extern struct device_node *of_stdout; extern raw_spinlock_t devtree_lock; static inline bool of_have_populated_dt(void) @@ -204,6 +203,7 @@ static inline unsigned long of_read_ulong(const __be32 *cell, int size) #define OF_DYNAMIC 1 /* node and properties were allocated via kmalloc */ #define OF_DETACHED 2 /* node has been detached from the device tree */ #define OF_POPULATED 3 /* device already created for the node */ +#define OF_POPULATED_BUS 4 /* of_platform_populate recursed to children of this node */ #define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags) #define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags) @@ -322,6 +322,7 @@ extern int of_update_property(struct device_node *np, struct property *newprop); struct of_prop_reconfig { struct device_node *dn; struct property *prop; + struct property *old_prop; }; extern int of_reconfig_notifier_register(struct notifier_block *); @@ -352,7 +353,7 @@ const __be32 *of_prop_next_u32(struct property *prop, const __be32 *cur, */ const char *of_prop_next_string(struct property *prop, const char *cur); -int of_device_is_stdout_path(struct device_node *dn); +bool of_console_check(struct device_node *dn, char *name, int index); #else /* CONFIG_OF */ @@ -564,9 +565,9 @@ static inline int of_machine_is_compatible(const char *compat) return 0; } -static inline int of_device_is_stdout_path(struct device_node *dn) +static inline bool of_console_check(const struct device_node *dn, const char *name, int index) { - return 0; + return false; } static inline const __be32 *of_prop_next_u32(struct property *prop, @@ -786,4 +787,80 @@ typedef void (*of_init_fn_1)(struct device_node *); #define OF_DECLARE_2(table, name, compat, fn) \ _OF_DECLARE(table, name, compat, fn, of_init_fn_2) +/** + * struct of_changeset_entry - Holds a changeset entry + * + * @node: list_head for the log list + * @action: notifier action + * @np: pointer to the device node affected + * @prop: pointer to the property affected + * @old_prop: hold a pointer to the original property + * + * Every modification of the device tree during a changeset + * is held in a list of of_changeset_entry structures. + * That way we can recover from a partial application, or we can + * revert the changeset + */ +struct of_changeset_entry { + struct list_head node; + unsigned long action; + struct device_node *np; + struct property *prop; + struct property *old_prop; +}; + +/** + * struct of_changeset - changeset tracker structure + * + * @entries: list_head for the changeset entries + * + * changesets are a convenient way to apply bulk changes to the + * live tree. In case of an error, changes are rolled-back. + * changesets live on after initial application, and if not + * destroyed after use, they can be reverted in one single call. + */ +struct of_changeset { + struct list_head entries; +}; + +#ifdef CONFIG_OF_DYNAMIC +extern void of_changeset_init(struct of_changeset *ocs); +extern void of_changeset_destroy(struct of_changeset *ocs); +extern int of_changeset_apply(struct of_changeset *ocs); +extern int of_changeset_revert(struct of_changeset *ocs); +extern int of_changeset_action(struct of_changeset *ocs, + unsigned long action, struct device_node *np, + struct property *prop); + +static inline int of_changeset_attach_node(struct of_changeset *ocs, + struct device_node *np) +{ + return of_changeset_action(ocs, OF_RECONFIG_ATTACH_NODE, np, NULL); +} + +static inline int of_changeset_detach_node(struct of_changeset *ocs, + struct device_node *np) +{ + return of_changeset_action(ocs, OF_RECONFIG_DETACH_NODE, np, NULL); +} + +static inline int of_changeset_add_property(struct of_changeset *ocs, + struct device_node *np, struct property *prop) +{ + return of_changeset_action(ocs, OF_RECONFIG_ADD_PROPERTY, np, prop); +} + +static inline int of_changeset_remove_property(struct of_changeset *ocs, + struct device_node *np, struct property *prop) +{ + return of_changeset_action(ocs, OF_RECONFIG_REMOVE_PROPERTY, np, prop); +} + +static inline int of_changeset_update_property(struct of_changeset *ocs, + struct device_node *np, struct property *prop) +{ + return of_changeset_action(ocs, OF_RECONFIG_UPDATE_PROPERTY, np, prop); +} +#endif + #endif /* _LINUX_OF_H */ diff --git a/include/linux/of_dma.h b/include/linux/of_dma.h index ae36298ba076..56bc026c143f 100644 --- a/include/linux/of_dma.h +++ b/include/linux/of_dma.h @@ -41,6 +41,8 @@ extern struct dma_chan *of_dma_request_slave_channel(struct device_node *np, const char *name); extern struct dma_chan *of_dma_simple_xlate(struct of_phandle_args *dma_spec, struct of_dma *ofdma); +extern struct dma_chan *of_dma_xlate_by_chan_id(struct of_phandle_args *dma_spec, + struct of_dma *ofdma); #else static inline int of_dma_controller_register(struct device_node *np, struct dma_chan *(*of_dma_xlate) @@ -66,6 +68,8 @@ static inline struct dma_chan *of_dma_simple_xlate(struct of_phandle_args *dma_s return NULL; } +#define of_dma_xlate_by_chan_id NULL + #endif #endif /* __LINUX_OF_DMA_H */ diff --git a/include/linux/of_platform.h b/include/linux/of_platform.h index d96e1badbee0..c2b0627a2317 100644 --- a/include/linux/of_platform.h +++ b/include/linux/of_platform.h @@ -72,7 +72,7 @@ extern int of_platform_populate(struct device_node *root, const struct of_device_id *matches, const struct of_dev_auxdata *lookup, struct device *parent); -extern int of_platform_depopulate(struct device *parent); +extern void of_platform_depopulate(struct device *parent); #else static inline int of_platform_populate(struct device_node *root, const struct of_device_id *matches, @@ -81,10 +81,7 @@ static inline int of_platform_populate(struct device_node *root, { return -ENODEV; } -static inline int of_platform_depopulate(struct device *parent) -{ - return -ENODEV; -} +static inline void of_platform_depopulate(struct device *parent) { } #endif #endif /* _LINUX_OF_PLATFORM_H */ diff --git a/include/linux/of_reserved_mem.h b/include/linux/of_reserved_mem.h index 4669ddfdd5af..5b5efae09135 100644 --- a/include/linux/of_reserved_mem.h +++ b/include/linux/of_reserved_mem.h @@ -8,6 +8,7 @@ struct reserved_mem_ops; struct reserved_mem { const char *name; unsigned long fdt_node; + unsigned long phandle; const struct reserved_mem_ops *ops; phys_addr_t base; phys_addr_t size; @@ -27,10 +28,16 @@ typedef int (*reservedmem_of_init_fn)(struct reserved_mem *rmem); _OF_DECLARE(reservedmem, name, compat, init, reservedmem_of_init_fn) #ifdef CONFIG_OF_RESERVED_MEM +void of_reserved_mem_device_init(struct device *dev); +void of_reserved_mem_device_release(struct device *dev); + void fdt_init_reserved_mem(void); void fdt_reserved_mem_save_node(unsigned long node, const char *uname, phys_addr_t base, phys_addr_t size); #else +static inline void of_reserved_mem_device_init(struct device *dev) { } +static inline void of_reserved_mem_device_release(struct device *pdev) { } + static inline void fdt_init_reserved_mem(void) { } static inline void fdt_reserved_mem_save_node(unsigned long node, const char *uname, phys_addr_t base, phys_addr_t size) { } diff --git a/include/linux/platform_data/dma-imx.h b/include/linux/platform_data/dma-imx.h index d05542aafa3e..6a1357d31871 100644 --- a/include/linux/platform_data/dma-imx.h +++ b/include/linux/platform_data/dma-imx.h @@ -40,6 +40,7 @@ enum sdma_peripheral_type { IMX_DMATYPE_ASRC, /* ASRC */ IMX_DMATYPE_ESAI, /* ESAI */ IMX_DMATYPE_SSI_DUAL, /* SSI Dual FIFO */ + IMX_DMATYPE_ASRC_SP, /* Shared ASRC */ }; enum imx_dma_prio { diff --git a/include/linux/platform_data/edma.h b/include/linux/platform_data/edma.h index eb8d5627d080..bdb2710e2aab 100644 --- a/include/linux/platform_data/edma.h +++ b/include/linux/platform_data/edma.h @@ -150,6 +150,8 @@ void edma_clear_event(unsigned channel); void edma_pause(unsigned channel); void edma_resume(unsigned channel); +void edma_assign_channel_eventq(unsigned channel, enum dma_event_q eventq_no); + struct edma_rsv_info { const s16 (*rsv_chans)[2]; diff --git a/include/linux/platform_data/mmc-omap.h b/include/linux/platform_data/mmc-omap.h index 2bf1b30cb5dc..51e70cf25cbc 100644 --- a/include/linux/platform_data/mmc-omap.h +++ b/include/linux/platform_data/mmc-omap.h @@ -28,6 +28,7 @@ */ #define OMAP_HSMMC_SUPPORTS_DUAL_VOLT BIT(0) #define OMAP_HSMMC_BROKEN_MULTIBLOCK_READ BIT(1) +#define OMAP_HSMMC_SWAKEUP_MISSING BIT(2) struct mmc_card; diff --git a/include/linux/quota.h b/include/linux/quota.h index 0f3c5d38da1f..80d345a3524c 100644 --- a/include/linux/quota.h +++ b/include/linux/quota.h @@ -390,7 +390,6 @@ struct quota_info { unsigned int flags; /* Flags for diskquotas on this device */ struct mutex dqio_mutex; /* lock device while I/O in progress */ struct mutex dqonoff_mutex; /* Serialize quotaon & quotaoff */ - struct rw_semaphore dqptr_sem; /* serialize ops using quota_info struct, pointers from inode to dquots */ struct inode *files[MAXQUOTAS]; /* inodes of quotafiles */ struct mem_dqinfo info[MAXQUOTAS]; /* Information for each quota type */ const struct quota_format_ops *ops[MAXQUOTAS]; /* Operations for each type */ diff --git a/include/linux/sh_dma.h b/include/linux/sh_dma.h index b7b43b82231e..56b97eed28a4 100644 --- a/include/linux/sh_dma.h +++ b/include/linux/sh_dma.h @@ -95,19 +95,21 @@ struct sh_dmae_pdata { }; /* DMAOR definitions */ -#define DMAOR_AE 0x00000004 +#define DMAOR_AE 0x00000004 /* Address Error Flag */ #define DMAOR_NMIF 0x00000002 -#define DMAOR_DME 0x00000001 +#define DMAOR_DME 0x00000001 /* DMA Master Enable */ /* Definitions for the SuperH DMAC */ -#define DM_INC 0x00004000 -#define DM_DEC 0x00008000 -#define DM_FIX 0x0000c000 -#define SM_INC 0x00001000 -#define SM_DEC 0x00002000 -#define SM_FIX 0x00003000 -#define CHCR_DE 0x00000001 -#define CHCR_TE 0x00000002 -#define CHCR_IE 0x00000004 +#define DM_INC 0x00004000 /* Destination addresses are incremented */ +#define DM_DEC 0x00008000 /* Destination addresses are decremented */ +#define DM_FIX 0x0000c000 /* Destination address is fixed */ +#define SM_INC 0x00001000 /* Source addresses are incremented */ +#define SM_DEC 0x00002000 /* Source addresses are decremented */ +#define SM_FIX 0x00003000 /* Source address is fixed */ +#define RS_AUTO 0x00000400 /* Auto Request */ +#define RS_ERS 0x00000800 /* DMA extended resource selector */ +#define CHCR_DE 0x00000001 /* DMA Enable */ +#define CHCR_TE 0x00000002 /* Transfer End Flag */ +#define CHCR_IE 0x00000004 /* Interrupt Enable */ #endif diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 11c270551d25..abde271c18ae 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -2555,6 +2555,7 @@ int skb_shift(struct sk_buff *tgt, struct sk_buff *skb, int shiftlen); void skb_scrub_packet(struct sk_buff *skb, bool xnet); unsigned int skb_gso_transport_seglen(const struct sk_buff *skb); struct sk_buff *skb_segment(struct sk_buff *skb, netdev_features_t features); +struct sk_buff *skb_vlan_untag(struct sk_buff *skb); struct skb_checksum_ops { __wsum (*update)(const void *mem, int len, __wsum wsum); diff --git a/include/linux/sunrpc/auth.h b/include/linux/sunrpc/auth.h index 790be1472792..8e030075fe79 100644 --- a/include/linux/sunrpc/auth.h +++ b/include/linux/sunrpc/auth.h @@ -103,6 +103,7 @@ struct rpc_auth_create_args { /* Flags for rpcauth_lookupcred() */ #define RPCAUTH_LOOKUP_NEW 0x01 /* Accept an uninitialised cred */ +#define RPCAUTH_LOOKUP_RCU 0x02 /* lock-less lookup */ /* * Client authentication ops @@ -140,6 +141,7 @@ struct rpc_credops { void *, __be32 *, void *); int (*crkey_timeout)(struct rpc_cred *); bool (*crkey_to_expire)(struct rpc_cred *); + char * (*crstringify_acceptor)(struct rpc_cred *); }; extern const struct rpc_authops authunix_ops; @@ -153,6 +155,7 @@ void rpc_destroy_generic_auth(void); void rpc_destroy_authunix(void); struct rpc_cred * rpc_lookup_cred(void); +struct rpc_cred * rpc_lookup_cred_nonblock(void); struct rpc_cred * rpc_lookup_machine_cred(const char *service_name); int rpcauth_register(const struct rpc_authops *); int rpcauth_unregister(const struct rpc_authops *); @@ -182,6 +185,7 @@ void rpcauth_clear_credcache(struct rpc_cred_cache *); int rpcauth_key_timeout_notify(struct rpc_auth *, struct rpc_cred *); bool rpcauth_cred_key_to_expire(struct rpc_cred *); +char * rpcauth_stringify_acceptor(struct rpc_cred *); static inline struct rpc_cred * get_rpccred(struct rpc_cred *cred) diff --git a/include/linux/sunrpc/auth_gss.h b/include/linux/sunrpc/auth_gss.h index f1cfd4c85cd0..36eebc451b41 100644 --- a/include/linux/sunrpc/auth_gss.h +++ b/include/linux/sunrpc/auth_gss.h @@ -69,8 +69,9 @@ struct gss_cl_ctx { enum rpc_gss_proc gc_proc; u32 gc_seq; spinlock_t gc_seq_lock; - struct gss_ctx __rcu *gc_gss_ctx; + struct gss_ctx *gc_gss_ctx; struct xdr_netobj gc_wire_ctx; + struct xdr_netobj gc_acceptor; u32 gc_win; unsigned long gc_expiry; struct rcu_head gc_rcu; diff --git a/include/linux/sunrpc/gss_krb5.h b/include/linux/sunrpc/gss_krb5.h index 5af2931cf58d..df02a4188487 100644 --- a/include/linux/sunrpc/gss_krb5.h +++ b/include/linux/sunrpc/gss_krb5.h @@ -81,7 +81,7 @@ struct gss_krb5_enctype { struct xdr_netobj *in, struct xdr_netobj *out); /* complete key generation */ u32 (*encrypt_v2) (struct krb5_ctx *kctx, u32 offset, - struct xdr_buf *buf, int ec, + struct xdr_buf *buf, struct page **pages); /* v2 encryption function */ u32 (*decrypt_v2) (struct krb5_ctx *kctx, u32 offset, struct xdr_buf *buf, u32 *headskip, @@ -310,7 +310,7 @@ gss_krb5_aes_make_key(const struct gss_krb5_enctype *gk5e, u32 gss_krb5_aes_encrypt(struct krb5_ctx *kctx, u32 offset, - struct xdr_buf *buf, int ec, + struct xdr_buf *buf, struct page **pages); u32 diff --git a/include/linux/sunrpc/xprtrdma.h b/include/linux/sunrpc/xprtrdma.h index c2f04e1ae159..64a0a0a97b23 100644 --- a/include/linux/sunrpc/xprtrdma.h +++ b/include/linux/sunrpc/xprtrdma.h @@ -62,8 +62,6 @@ #define RPCRDMA_INLINE_PAD_THRESH (512)/* payload threshold to pad (bytes) */ /* memory registration strategies */ -#define RPCRDMA_PERSISTENT_REGISTRATION (1) - enum rpcrdma_memreg { RPCRDMA_BOUNCEBUFFERS = 0, RPCRDMA_REGISTER, diff --git a/include/linux/thermal.h b/include/linux/thermal.h index f7e11c7ea7d9..0305cde21a74 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -158,6 +158,42 @@ struct thermal_attr { char name[THERMAL_NAME_LENGTH]; }; +/** + * struct thermal_zone_device - structure for a thermal zone + * @id: unique id number for each thermal zone + * @type: the thermal zone device type + * @device: &struct device for this thermal zone + * @trip_temp_attrs: attributes for trip points for sysfs: trip temperature + * @trip_type_attrs: attributes for trip points for sysfs: trip type + * @trip_hyst_attrs: attributes for trip points for sysfs: trip hysteresis + * @devdata: private pointer for device private data + * @trips: number of trip points the thermal zone supports + * @passive_delay: number of milliseconds to wait between polls when + * performing passive cooling. Currenty only used by the + * step-wise governor + * @polling_delay: number of milliseconds to wait between polls when + * checking whether trip points have been crossed (0 for + * interrupt driven systems) + * @temperature: current temperature. This is only for core code, + * drivers should use thermal_zone_get_temp() to get the + * current temperature + * @last_temperature: previous temperature read + * @emul_temperature: emulated temperature when using CONFIG_THERMAL_EMULATION + * @passive: 1 if you've crossed a passive trip point, 0 otherwise. + * Currenty only used by the step-wise governor. + * @forced_passive: If > 0, temperature at which to switch on all ACPI + * processor cooling devices. Currently only used by the + * step-wise governor. + * @ops: operations this &thermal_zone_device supports + * @tzp: thermal zone parameters + * @governor: pointer to the governor for this thermal zone + * @thermal_instances: list of &struct thermal_instance of this thermal zone + * @idr: &struct idr to generate unique id for this zone's cooling + * devices + * @lock: lock to protect thermal_instances list + * @node: node in thermal_tz_list (in thermal_core.c) + * @poll_queue: delayed work for polling + */ struct thermal_zone_device { int id; char type[THERMAL_NAME_LENGTH]; @@ -179,12 +215,18 @@ struct thermal_zone_device { struct thermal_governor *governor; struct list_head thermal_instances; struct idr idr; - struct mutex lock; /* protect thermal_instances list */ + struct mutex lock; struct list_head node; struct delayed_work poll_queue; }; -/* Structure that holds thermal governor information */ +/** + * struct thermal_governor - structure that holds thermal governor information + * @name: name of the governor + * @throttle: callback called for every trip point even if temperature is + * below the trip point temperature + * @governor_list: node in thermal_governor_list (in thermal_core.c) + */ struct thermal_governor { char name[THERMAL_NAME_LENGTH]; int (*throttle)(struct thermal_zone_device *tz, int trip); diff --git a/include/linux/uio.h b/include/linux/uio.h index 09a7cffc224e..48d64e6ab292 100644 --- a/include/linux/uio.h +++ b/include/linux/uio.h @@ -84,7 +84,7 @@ unsigned long iov_iter_alignment(const struct iov_iter *i); void iov_iter_init(struct iov_iter *i, int direction, const struct iovec *iov, unsigned long nr_segs, size_t count); ssize_t iov_iter_get_pages(struct iov_iter *i, struct page **pages, - size_t maxsize, size_t *start); + unsigned maxpages, size_t *start); ssize_t iov_iter_get_pages_alloc(struct iov_iter *i, struct page ***pages, size_t maxsize, size_t *start); int iov_iter_npages(const struct iov_iter *i, int maxpages); diff --git a/include/linux/vfio.h b/include/linux/vfio.h index 25a0fbd4b998..d3204115f15d 100644 --- a/include/linux/vfio.h +++ b/include/linux/vfio.h @@ -98,16 +98,16 @@ extern int vfio_external_user_iommu_id(struct vfio_group *group); extern long vfio_external_check_extension(struct vfio_group *group, unsigned long arg); +struct pci_dev; #ifdef CONFIG_EEH -extern int vfio_spapr_pci_eeh_open(struct pci_dev *pdev); +extern void vfio_spapr_pci_eeh_open(struct pci_dev *pdev); extern void vfio_spapr_pci_eeh_release(struct pci_dev *pdev); extern long vfio_spapr_iommu_eeh_ioctl(struct iommu_group *group, unsigned int cmd, unsigned long arg); #else -static inline int vfio_spapr_pci_eeh_open(struct pci_dev *pdev) +static inline void vfio_spapr_pci_eeh_open(struct pci_dev *pdev) { - return 0; } static inline void vfio_spapr_pci_eeh_release(struct pci_dev *pdev) diff --git a/include/scsi/sg.h b/include/scsi/sg.h index 9859355a7cf9..750e5db7c6bf 100644 --- a/include/scsi/sg.h +++ b/include/scsi/sg.h @@ -86,7 +86,9 @@ typedef struct sg_io_hdr #define SG_FLAG_MMAP_IO 4 /* request memory mapped IO */ #define SG_FLAG_NO_DXFER 0x10000 /* no transfer of kernel buffers to/from */ /* user space (debug indirect IO) */ -#define SG_FLAG_Q_AT_TAIL 0x10 /* default is Q_AT_HEAD */ +/* defaults:: for sg driver: Q_AT_HEAD; for block layer: Q_AT_TAIL */ +#define SG_FLAG_Q_AT_TAIL 0x10 +#define SG_FLAG_Q_AT_HEAD 0x20 /* following 'info' values are "or"-ed together */ #define SG_INFO_OK_MASK 0x1 diff --git a/include/trace/events/bcache.h b/include/trace/events/bcache.h index c9c3c044b32f..981acf74b14f 100644 --- a/include/trace/events/bcache.h +++ b/include/trace/events/bcache.h @@ -148,11 +148,13 @@ TRACE_EVENT(bcache_read, ); TRACE_EVENT(bcache_write, - TP_PROTO(struct bio *bio, bool writeback, bool bypass), - TP_ARGS(bio, writeback, bypass), + TP_PROTO(struct cache_set *c, u64 inode, struct bio *bio, + bool writeback, bool bypass), + TP_ARGS(c, inode, bio, writeback, bypass), TP_STRUCT__entry( - __field(dev_t, dev ) + __array(char, uuid, 16 ) + __field(u64, inode ) __field(sector_t, sector ) __field(unsigned int, nr_sector ) __array(char, rwbs, 6 ) @@ -161,7 +163,8 @@ TRACE_EVENT(bcache_write, ), TP_fast_assign( - __entry->dev = bio->bi_bdev->bd_dev; + memcpy(__entry->uuid, c->sb.set_uuid, 16); + __entry->inode = inode; __entry->sector = bio->bi_iter.bi_sector; __entry->nr_sector = bio->bi_iter.bi_size >> 9; blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_iter.bi_size); @@ -169,8 +172,8 @@ TRACE_EVENT(bcache_write, __entry->bypass = bypass; ), - TP_printk("%d,%d %s %llu + %u hit %u bypass %u", - MAJOR(__entry->dev), MINOR(__entry->dev), + TP_printk("%pU inode %llu %s %llu + %u hit %u bypass %u", + __entry->uuid, __entry->inode, __entry->rwbs, (unsigned long long)__entry->sector, __entry->nr_sector, __entry->writeback, __entry->bypass) ); @@ -258,9 +261,9 @@ DEFINE_EVENT(btree_node, bcache_btree_node_alloc, TP_ARGS(b) ); -DEFINE_EVENT(btree_node, bcache_btree_node_alloc_fail, - TP_PROTO(struct btree *b), - TP_ARGS(b) +DEFINE_EVENT(cache_set, bcache_btree_node_alloc_fail, + TP_PROTO(struct cache_set *c), + TP_ARGS(c) ); DEFINE_EVENT(btree_node, bcache_btree_node_free, diff --git a/include/uapi/linux/bsg.h b/include/uapi/linux/bsg.h index 7a12e1c0f371..02986cf8b6f1 100644 --- a/include/uapi/linux/bsg.h +++ b/include/uapi/linux/bsg.h @@ -10,12 +10,13 @@ #define BSG_SUB_PROTOCOL_SCSI_TRANSPORT 2 /* - * For flags member below - * sg.h sg_io_hdr also has bits defined for it's flags member. However - * none of these bits are implemented/used by bsg. The bits below are - * allocated to not conflict with sg.h ones anyway. + * For flag constants below: + * sg.h sg_io_hdr also has bits defined for it's flags member. These + * two flag values (0x10 and 0x20) have the same meaning in sg.h . For + * bsg the BSG_FLAG_Q_AT_HEAD flag is ignored since it is the deafult. */ -#define BSG_FLAG_Q_AT_TAIL 0x10 /* default, == 0 at this bit, is Q_AT_HEAD */ +#define BSG_FLAG_Q_AT_TAIL 0x10 /* default is Q_AT_HEAD */ +#define BSG_FLAG_Q_AT_HEAD 0x20 struct sg_io_v4 { __s32 guard; /* [i] 'Q' to differentiate from v3 */ diff --git a/include/uapi/linux/virtio_blk.h b/include/uapi/linux/virtio_blk.h index 6d8e61c48563..9ad67b267584 100644 --- a/include/uapi/linux/virtio_blk.h +++ b/include/uapi/linux/virtio_blk.h @@ -40,6 +40,7 @@ #define VIRTIO_BLK_F_WCE 9 /* Writeback mode enabled after reset */ #define VIRTIO_BLK_F_TOPOLOGY 10 /* Topology information is available */ #define VIRTIO_BLK_F_CONFIG_WCE 11 /* Writeback mode available in config */ +#define VIRTIO_BLK_F_MQ 12 /* support more than one vq */ #ifndef __KERNEL__ /* Old (deprecated) name for VIRTIO_BLK_F_WCE. */ @@ -77,6 +78,10 @@ struct virtio_blk_config { /* writeback mode (if VIRTIO_BLK_F_CONFIG_WCE) */ __u8 wce; + __u8 unused; + + /* number of vqs, only available when VIRTIO_BLK_F_MQ is set */ + __u16 num_queues; } __attribute__((packed)); /* |