diff options
Diffstat (limited to 'drivers/block/drbd/drbd_int.h')
| -rw-r--r-- | drivers/block/drbd/drbd_int.h | 346 |
1 files changed, 173 insertions, 173 deletions
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index 80394b791435..89db5d1b04a8 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -66,7 +66,7 @@ extern unsigned int minor_count; extern bool disable_sendpage; extern bool allow_oos; -void tl_abort_disk_io(struct drbd_conf *mdev); +void tl_abort_disk_io(struct drbd_device *mdev); #ifdef CONFIG_DRBD_FAULT_INJECTION extern int enable_faults; @@ -97,7 +97,7 @@ extern char usermode_helper[]; #define UUID_NEW_BM_OFFSET ((u64)0x0001000000000000ULL) -struct drbd_conf; +struct drbd_device; struct drbd_tconn; @@ -147,10 +147,10 @@ enum { }; extern unsigned int -_drbd_insert_fault(struct drbd_conf *mdev, unsigned int type); +_drbd_insert_fault(struct drbd_device *mdev, unsigned int type); static inline int -drbd_insert_fault(struct drbd_conf *mdev, unsigned int type) { +drbd_insert_fault(struct drbd_device *mdev, unsigned int type) { #ifdef CONFIG_DRBD_FAULT_INJECTION return fault_rate && (enable_faults & (1<<type)) && @@ -189,7 +189,7 @@ struct bm_xfer_ctx { unsigned bytes[2]; }; -extern void INFO_bm_xfer_stats(struct drbd_conf *mdev, +extern void INFO_bm_xfer_stats(struct drbd_device *mdev, const char *direction, struct bm_xfer_ctx *c); static inline void bm_xfer_ctx_bit_to_word_offset(struct bm_xfer_ctx *c) @@ -246,14 +246,14 @@ struct drbd_work { struct list_head list; int (*cb)(struct drbd_work *, int cancel); union { - struct drbd_conf *mdev; + struct drbd_device *mdev; struct drbd_tconn *tconn; }; }; #include "drbd_interval.h" -extern int drbd_wait_misc(struct drbd_conf *, struct drbd_interval *); +extern int drbd_wait_misc(struct drbd_device *, struct drbd_interval *); struct drbd_request { struct drbd_work w; @@ -409,7 +409,7 @@ enum { READ_BALANCE_RR, }; -struct drbd_bitmap; /* opaque for drbd_conf */ +struct drbd_bitmap; /* opaque for drbd_device */ /* definition of bits in bm_flags to be used in drbd_bm_lock * and drbd_bitmap_io and friends. */ @@ -496,8 +496,8 @@ struct bm_io_work { struct drbd_work w; char *why; enum bm_flag flags; - int (*io_fn)(struct drbd_conf *mdev); - void (*done)(struct drbd_conf *mdev, int rv); + int (*io_fn)(struct drbd_device *mdev); + void (*done)(struct drbd_device *mdev, int rv); }; enum write_ordering_e { @@ -617,7 +617,7 @@ struct submit_worker { struct list_head writes; }; -struct drbd_conf { +struct drbd_device { struct drbd_tconn *tconn; int vnr; /* volume number within the connection */ struct kref kref; @@ -763,19 +763,19 @@ struct drbd_conf { struct submit_worker submit; }; -static inline struct drbd_conf *minor_to_mdev(unsigned int minor) +static inline struct drbd_device *minor_to_mdev(unsigned int minor) { - return (struct drbd_conf *)idr_find(&minors, minor); + return (struct drbd_device *)idr_find(&minors, minor); } -static inline unsigned int mdev_to_minor(struct drbd_conf *mdev) +static inline unsigned int mdev_to_minor(struct drbd_device *mdev) { return mdev->minor; } -static inline struct drbd_conf *vnr_to_mdev(struct drbd_tconn *tconn, int vnr) +static inline struct drbd_device *vnr_to_mdev(struct drbd_tconn *tconn, int vnr) { - return (struct drbd_conf *)idr_find(&tconn->volumes, vnr); + return (struct drbd_device *)idr_find(&tconn->volumes, vnr); } /* @@ -789,7 +789,7 @@ enum dds_flags { DDSF_NO_RESYNC = 2, /* Do not run a resync for the new space */ }; -extern void drbd_init_set_defaults(struct drbd_conf *mdev); +extern void drbd_init_set_defaults(struct drbd_device *mdev); extern int drbd_thread_start(struct drbd_thread *thi); extern void _drbd_thread_stop(struct drbd_thread *thi, int restart, int wait); extern char *drbd_task_to_thread_name(struct drbd_tconn *tconn, struct task_struct *task); @@ -811,74 +811,74 @@ extern int drbd_send_all(struct drbd_tconn *, struct socket *, void *, size_t, extern int __drbd_send_protocol(struct drbd_tconn *tconn, enum drbd_packet cmd); extern int drbd_send_protocol(struct drbd_tconn *tconn); -extern int drbd_send_uuids(struct drbd_conf *mdev); -extern int drbd_send_uuids_skip_initial_sync(struct drbd_conf *mdev); -extern void drbd_gen_and_send_sync_uuid(struct drbd_conf *mdev); -extern int drbd_send_sizes(struct drbd_conf *mdev, int trigger_reply, enum dds_flags flags); -extern int drbd_send_state(struct drbd_conf *mdev, union drbd_state s); -extern int drbd_send_current_state(struct drbd_conf *mdev); -extern int drbd_send_sync_param(struct drbd_conf *mdev); +extern int drbd_send_uuids(struct drbd_device *mdev); +extern int drbd_send_uuids_skip_initial_sync(struct drbd_device *mdev); +extern void drbd_gen_and_send_sync_uuid(struct drbd_device *mdev); +extern int drbd_send_sizes(struct drbd_device *mdev, int trigger_reply, enum dds_flags flags); +extern int drbd_send_state(struct drbd_device *mdev, union drbd_state s); +extern int drbd_send_current_state(struct drbd_device *mdev); +extern int drbd_send_sync_param(struct drbd_device *mdev); extern void drbd_send_b_ack(struct drbd_tconn *tconn, u32 barrier_nr, u32 set_size); -extern int drbd_send_ack(struct drbd_conf *, enum drbd_packet, +extern int drbd_send_ack(struct drbd_device *, enum drbd_packet, struct drbd_peer_request *); -extern void drbd_send_ack_rp(struct drbd_conf *mdev, enum drbd_packet cmd, +extern void drbd_send_ack_rp(struct drbd_device *mdev, enum drbd_packet cmd, struct p_block_req *rp); -extern void drbd_send_ack_dp(struct drbd_conf *mdev, enum drbd_packet cmd, +extern void drbd_send_ack_dp(struct drbd_device *mdev, enum drbd_packet cmd, struct p_data *dp, int data_size); -extern int drbd_send_ack_ex(struct drbd_conf *mdev, enum drbd_packet cmd, +extern int drbd_send_ack_ex(struct drbd_device *mdev, enum drbd_packet cmd, sector_t sector, int blksize, u64 block_id); -extern int drbd_send_out_of_sync(struct drbd_conf *, struct drbd_request *); -extern int drbd_send_block(struct drbd_conf *, enum drbd_packet, +extern int drbd_send_out_of_sync(struct drbd_device *, struct drbd_request *); +extern int drbd_send_block(struct drbd_device *, enum drbd_packet, struct drbd_peer_request *); -extern int drbd_send_dblock(struct drbd_conf *mdev, struct drbd_request *req); -extern int drbd_send_drequest(struct drbd_conf *mdev, int cmd, +extern int drbd_send_dblock(struct drbd_device *mdev, struct drbd_request *req); +extern int drbd_send_drequest(struct drbd_device *mdev, int cmd, sector_t sector, int size, u64 block_id); -extern int drbd_send_drequest_csum(struct drbd_conf *mdev, sector_t sector, +extern int drbd_send_drequest_csum(struct drbd_device *mdev, sector_t sector, int size, void *digest, int digest_size, enum drbd_packet cmd); -extern int drbd_send_ov_request(struct drbd_conf *mdev,sector_t sector,int size); +extern int drbd_send_ov_request(struct drbd_device *mdev, sector_t sector, int size); -extern int drbd_send_bitmap(struct drbd_conf *mdev); -extern void drbd_send_sr_reply(struct drbd_conf *mdev, enum drbd_state_rv retcode); +extern int drbd_send_bitmap(struct drbd_device *mdev); +extern void drbd_send_sr_reply(struct drbd_device *mdev, enum drbd_state_rv retcode); extern void conn_send_sr_reply(struct drbd_tconn *tconn, enum drbd_state_rv retcode); extern void drbd_free_bc(struct drbd_backing_dev *ldev); -extern void drbd_mdev_cleanup(struct drbd_conf *mdev); -void drbd_print_uuids(struct drbd_conf *mdev, const char *text); +extern void drbd_mdev_cleanup(struct drbd_device *mdev); +void drbd_print_uuids(struct drbd_device *mdev, const char *text); extern void conn_md_sync(struct drbd_tconn *tconn); -extern void drbd_md_write(struct drbd_conf *mdev, void *buffer); -extern void drbd_md_sync(struct drbd_conf *mdev); -extern int drbd_md_read(struct drbd_conf *mdev, struct drbd_backing_dev *bdev); -extern void drbd_uuid_set(struct drbd_conf *mdev, int idx, u64 val) __must_hold(local); -extern void _drbd_uuid_set(struct drbd_conf *mdev, int idx, u64 val) __must_hold(local); -extern void drbd_uuid_new_current(struct drbd_conf *mdev) __must_hold(local); -extern void drbd_uuid_set_bm(struct drbd_conf *mdev, u64 val) __must_hold(local); -extern void drbd_uuid_move_history(struct drbd_conf *mdev) __must_hold(local); -extern void __drbd_uuid_set(struct drbd_conf *mdev, int idx, u64 val) __must_hold(local); -extern void drbd_md_set_flag(struct drbd_conf *mdev, int flags) __must_hold(local); -extern void drbd_md_clear_flag(struct drbd_conf *mdev, int flags)__must_hold(local); +extern void drbd_md_write(struct drbd_device *mdev, void *buffer); +extern void drbd_md_sync(struct drbd_device *mdev); +extern int drbd_md_read(struct drbd_device *mdev, struct drbd_backing_dev *bdev); +extern void drbd_uuid_set(struct drbd_device *mdev, int idx, u64 val) __must_hold(local); +extern void _drbd_uuid_set(struct drbd_device *mdev, int idx, u64 val) __must_hold(local); +extern void drbd_uuid_new_current(struct drbd_device *mdev) __must_hold(local); +extern void drbd_uuid_set_bm(struct drbd_device *mdev, u64 val) __must_hold(local); +extern void drbd_uuid_move_history(struct drbd_device *mdev) __must_hold(local); +extern void __drbd_uuid_set(struct drbd_device *mdev, int idx, u64 val) __must_hold(local); +extern void drbd_md_set_flag(struct drbd_device *mdev, int flags) __must_hold(local); +extern void drbd_md_clear_flag(struct drbd_device *mdev, int flags)__must_hold(local); extern int drbd_md_test_flag(struct drbd_backing_dev *, int); #ifndef DRBD_DEBUG_MD_SYNC -extern void drbd_md_mark_dirty(struct drbd_conf *mdev); +extern void drbd_md_mark_dirty(struct drbd_device *mdev); #else #define drbd_md_mark_dirty(m) drbd_md_mark_dirty_(m, __LINE__ , __func__ ) -extern void drbd_md_mark_dirty_(struct drbd_conf *mdev, +extern void drbd_md_mark_dirty_(struct drbd_device *mdev, unsigned int line, const char *func); #endif -extern void drbd_queue_bitmap_io(struct drbd_conf *mdev, - int (*io_fn)(struct drbd_conf *), - void (*done)(struct drbd_conf *, int), +extern void drbd_queue_bitmap_io(struct drbd_device *mdev, + int (*io_fn)(struct drbd_device *), + void (*done)(struct drbd_device *, int), char *why, enum bm_flag flags); -extern int drbd_bitmap_io(struct drbd_conf *mdev, - int (*io_fn)(struct drbd_conf *), +extern int drbd_bitmap_io(struct drbd_device *mdev, + int (*io_fn)(struct drbd_device *), char *why, enum bm_flag flags); -extern int drbd_bitmap_io_from_worker(struct drbd_conf *mdev, - int (*io_fn)(struct drbd_conf *), +extern int drbd_bitmap_io_from_worker(struct drbd_device *mdev, + int (*io_fn)(struct drbd_device *), char *why, enum bm_flag flags); -extern int drbd_bmio_set_n_write(struct drbd_conf *mdev); -extern int drbd_bmio_clear_n_write(struct drbd_conf *mdev); -extern void drbd_ldev_destroy(struct drbd_conf *mdev); +extern int drbd_bmio_set_n_write(struct drbd_device *mdev); +extern int drbd_bmio_clear_n_write(struct drbd_device *mdev); +extern void drbd_ldev_destroy(struct drbd_device *mdev); /* Meta data layout * @@ -1064,52 +1064,52 @@ struct bm_extent { #define DRBD_MAX_SIZE_H80_PACKET (1U << 15) /* Header 80 only allows packets up to 32KiB data */ #define DRBD_MAX_BIO_SIZE_P95 (1U << 17) /* Protocol 95 to 99 allows bios up to 128KiB */ -extern int drbd_bm_init(struct drbd_conf *mdev); -extern int drbd_bm_resize(struct drbd_conf *mdev, sector_t sectors, int set_new_bits); -extern void drbd_bm_cleanup(struct drbd_conf *mdev); -extern void drbd_bm_set_all(struct drbd_conf *mdev); -extern void drbd_bm_clear_all(struct drbd_conf *mdev); +extern int drbd_bm_init(struct drbd_device *mdev); +extern int drbd_bm_resize(struct drbd_device *mdev, sector_t sectors, int set_new_bits); +extern void drbd_bm_cleanup(struct drbd_device *mdev); +extern void drbd_bm_set_all(struct drbd_device *mdev); +extern void drbd_bm_clear_all(struct drbd_device *mdev); /* set/clear/test only a few bits at a time */ extern int drbd_bm_set_bits( - struct drbd_conf *mdev, unsigned long s, unsigned long e); + struct drbd_device *mdev, unsigned long s, unsigned long e); extern int drbd_bm_clear_bits( - struct drbd_conf *mdev, unsigned long s, unsigned long e); + struct drbd_device *mdev, unsigned long s, unsigned long e); extern int drbd_bm_count_bits( - struct drbd_conf *mdev, const unsigned long s, const unsigned long e); + struct drbd_device *mdev, const unsigned long s, const unsigned long e); /* bm_set_bits variant for use while holding drbd_bm_lock, * may process the whole bitmap in one go */ -extern void _drbd_bm_set_bits(struct drbd_conf *mdev, +extern void _drbd_bm_set_bits(struct drbd_device *mdev, const unsigned long s, const unsigned long e); -extern int drbd_bm_test_bit(struct drbd_conf *mdev, unsigned long bitnr); -extern int drbd_bm_e_weight(struct drbd_conf *mdev, unsigned long enr); -extern int drbd_bm_write_page(struct drbd_conf *mdev, unsigned int idx) __must_hold(local); -extern int drbd_bm_read(struct drbd_conf *mdev) __must_hold(local); -extern void drbd_bm_mark_for_writeout(struct drbd_conf *mdev, int page_nr); -extern int drbd_bm_write(struct drbd_conf *mdev) __must_hold(local); -extern int drbd_bm_write_hinted(struct drbd_conf *mdev) __must_hold(local); -extern int drbd_bm_write_all(struct drbd_conf *mdev) __must_hold(local); -extern int drbd_bm_write_copy_pages(struct drbd_conf *mdev) __must_hold(local); -extern size_t drbd_bm_words(struct drbd_conf *mdev); -extern unsigned long drbd_bm_bits(struct drbd_conf *mdev); -extern sector_t drbd_bm_capacity(struct drbd_conf *mdev); +extern int drbd_bm_test_bit(struct drbd_device *mdev, unsigned long bitnr); +extern int drbd_bm_e_weight(struct drbd_device *mdev, unsigned long enr); +extern int drbd_bm_write_page(struct drbd_device *mdev, unsigned int idx) __must_hold(local); +extern int drbd_bm_read(struct drbd_device *mdev) __must_hold(local); +extern void drbd_bm_mark_for_writeout(struct drbd_device *mdev, int page_nr); +extern int drbd_bm_write(struct drbd_device *mdev) __must_hold(local); +extern int drbd_bm_write_hinted(struct drbd_device *mdev) __must_hold(local); +extern int drbd_bm_write_all(struct drbd_device *mdev) __must_hold(local); +extern int drbd_bm_write_copy_pages(struct drbd_device *mdev) __must_hold(local); +extern size_t drbd_bm_words(struct drbd_device *mdev); +extern unsigned long drbd_bm_bits(struct drbd_device *mdev); +extern sector_t drbd_bm_capacity(struct drbd_device *mdev); #define DRBD_END_OF_BITMAP (~(unsigned long)0) -extern unsigned long drbd_bm_find_next(struct drbd_conf *mdev, unsigned long bm_fo); +extern unsigned long drbd_bm_find_next(struct drbd_device *mdev, unsigned long bm_fo); /* bm_find_next variants for use while you hold drbd_bm_lock() */ -extern unsigned long _drbd_bm_find_next(struct drbd_conf *mdev, unsigned long bm_fo); -extern unsigned long _drbd_bm_find_next_zero(struct drbd_conf *mdev, unsigned long bm_fo); -extern unsigned long _drbd_bm_total_weight(struct drbd_conf *mdev); -extern unsigned long drbd_bm_total_weight(struct drbd_conf *mdev); -extern int drbd_bm_rs_done(struct drbd_conf *mdev); +extern unsigned long _drbd_bm_find_next(struct drbd_device *mdev, unsigned long bm_fo); +extern unsigned long _drbd_bm_find_next_zero(struct drbd_device *mdev, unsigned long bm_fo); +extern unsigned long _drbd_bm_total_weight(struct drbd_device *mdev); +extern unsigned long drbd_bm_total_weight(struct drbd_device *mdev); +extern int drbd_bm_rs_done(struct drbd_device *mdev); /* for receive_bitmap */ -extern void drbd_bm_merge_lel(struct drbd_conf *mdev, size_t offset, +extern void drbd_bm_merge_lel(struct drbd_device *mdev, size_t offset, size_t number, unsigned long *buffer); /* for _drbd_send_bitmap */ -extern void drbd_bm_get_lel(struct drbd_conf *mdev, size_t offset, +extern void drbd_bm_get_lel(struct drbd_device *mdev, size_t offset, size_t number, unsigned long *buffer); -extern void drbd_bm_lock(struct drbd_conf *mdev, char *why, enum bm_flag flags); -extern void drbd_bm_unlock(struct drbd_conf *mdev); +extern void drbd_bm_lock(struct drbd_device *mdev, char *why, enum bm_flag flags); +extern void drbd_bm_unlock(struct drbd_device *mdev); /* drbd_main.c */ extern struct kmem_cache *drbd_request_cache; @@ -1169,19 +1169,19 @@ extern int proc_details; /* drbd_req */ extern void do_submit(struct work_struct *ws); -extern void __drbd_make_request(struct drbd_conf *, struct bio *, unsigned long); +extern void __drbd_make_request(struct drbd_device *, struct bio *, unsigned long); extern void drbd_make_request(struct request_queue *q, struct bio *bio); -extern int drbd_read_remote(struct drbd_conf *mdev, struct drbd_request *req); +extern int drbd_read_remote(struct drbd_device *mdev, struct drbd_request *req); extern int drbd_merge_bvec(struct request_queue *q, struct bvec_merge_data *bvm, struct bio_vec *bvec); extern int is_valid_ar_handle(struct drbd_request *, sector_t); /* drbd_nl.c */ extern int drbd_msg_put_info(const char *info); -extern void drbd_suspend_io(struct drbd_conf *mdev); -extern void drbd_resume_io(struct drbd_conf *mdev); +extern void drbd_suspend_io(struct drbd_device *mdev); +extern void drbd_resume_io(struct drbd_device *mdev); extern char *ppsize(char *buf, unsigned long long size); -extern sector_t drbd_new_dev_size(struct drbd_conf *, struct drbd_backing_dev *, sector_t, int); +extern sector_t drbd_new_dev_size(struct drbd_device *, struct drbd_backing_dev *, sector_t, int); enum determine_dev_size { DS_ERROR_SHRINK = -3, DS_ERROR_SPACE_MD = -2, @@ -1192,35 +1192,35 @@ enum determine_dev_size { DS_GREW_FROM_ZERO = 3, }; extern enum determine_dev_size -drbd_determine_dev_size(struct drbd_conf *, enum dds_flags, struct resize_parms *) __must_hold(local); -extern void resync_after_online_grow(struct drbd_conf *); -extern void drbd_reconsider_max_bio_size(struct drbd_conf *mdev); -extern enum drbd_state_rv drbd_set_role(struct drbd_conf *mdev, +drbd_determine_dev_size(struct drbd_device *, enum dds_flags, struct resize_parms *) __must_hold(local); +extern void resync_after_online_grow(struct drbd_device *); +extern void drbd_reconsider_max_bio_size(struct drbd_device *mdev); +extern enum drbd_state_rv drbd_set_role(struct drbd_device *mdev, enum drbd_role new_role, int force); extern bool conn_try_outdate_peer(struct drbd_tconn *tconn); extern void conn_try_outdate_peer_async(struct drbd_tconn *tconn); -extern int drbd_khelper(struct drbd_conf *mdev, char *cmd); +extern int drbd_khelper(struct drbd_device *mdev, char *cmd); /* drbd_worker.c */ extern int drbd_worker(struct drbd_thread *thi); -enum drbd_ret_code drbd_resync_after_valid(struct drbd_conf *mdev, int o_minor); -void drbd_resync_after_changed(struct drbd_conf *mdev); -extern void drbd_start_resync(struct drbd_conf *mdev, enum drbd_conns side); -extern void resume_next_sg(struct drbd_conf *mdev); -extern void suspend_other_sg(struct drbd_conf *mdev); -extern int drbd_resync_finished(struct drbd_conf *mdev); +enum drbd_ret_code drbd_resync_after_valid(struct drbd_device *mdev, int o_minor); +void drbd_resync_after_changed(struct drbd_device *mdev); +extern void drbd_start_resync(struct drbd_device *mdev, enum drbd_conns side); +extern void resume_next_sg(struct drbd_device *mdev); +extern void suspend_other_sg(struct drbd_device *mdev); +extern int drbd_resync_finished(struct drbd_device *mdev); /* maybe rather drbd_main.c ? */ -extern void *drbd_md_get_buffer(struct drbd_conf *mdev); -extern void drbd_md_put_buffer(struct drbd_conf *mdev); -extern int drbd_md_sync_page_io(struct drbd_conf *mdev, +extern void *drbd_md_get_buffer(struct drbd_device *mdev); +extern void drbd_md_put_buffer(struct drbd_device *mdev); +extern int drbd_md_sync_page_io(struct drbd_device *mdev, struct drbd_backing_dev *bdev, sector_t sector, int rw); -extern void drbd_ov_out_of_sync_found(struct drbd_conf *, sector_t, int); -extern void wait_until_done_or_force_detached(struct drbd_conf *mdev, +extern void drbd_ov_out_of_sync_found(struct drbd_device *, sector_t, int); +extern void wait_until_done_or_force_detached(struct drbd_device *mdev, struct drbd_backing_dev *bdev, unsigned int *done); -extern void drbd_rs_controller_reset(struct drbd_conf *mdev); +extern void drbd_rs_controller_reset(struct drbd_device *mdev); -static inline void ov_out_of_sync_print(struct drbd_conf *mdev) +static inline void ov_out_of_sync_print(struct drbd_device *mdev) { if (mdev->ov_last_oos_size) { dev_err(DEV, "Out of sync: start=%llu, size=%lu (sectors)\n", @@ -1231,8 +1231,8 @@ static inline void ov_out_of_sync_print(struct drbd_conf *mdev) } -extern void drbd_csum_bio(struct drbd_conf *, struct crypto_hash *, struct bio *, void *); -extern void drbd_csum_ee(struct drbd_conf *, struct crypto_hash *, +extern void drbd_csum_bio(struct drbd_device *, struct crypto_hash *, struct bio *, void *); +extern void drbd_csum_ee(struct drbd_device *, struct crypto_hash *, struct drbd_peer_request *, void *); /* worker callbacks */ extern int w_e_end_data_req(struct drbd_work *, int); @@ -1256,24 +1256,24 @@ extern void resync_timer_fn(unsigned long data); extern void start_resync_timer_fn(unsigned long data); /* drbd_receiver.c */ -extern int drbd_rs_should_slow_down(struct drbd_conf *mdev, sector_t sector); -extern int drbd_submit_peer_request(struct drbd_conf *, +extern int drbd_rs_should_slow_down(struct drbd_device *mdev, sector_t sector); +extern int drbd_submit_peer_request(struct drbd_device *, struct drbd_peer_request *, const unsigned, const int); -extern int drbd_free_peer_reqs(struct drbd_conf *, struct list_head *); -extern struct drbd_peer_request *drbd_alloc_peer_req(struct drbd_conf *, u64, +extern int drbd_free_peer_reqs(struct drbd_device *, struct list_head *); +extern struct drbd_peer_request *drbd_alloc_peer_req(struct drbd_device *, u64, sector_t, unsigned int, gfp_t) __must_hold(local); -extern void __drbd_free_peer_req(struct drbd_conf *, struct drbd_peer_request *, +extern void __drbd_free_peer_req(struct drbd_device *, struct drbd_peer_request *, int); #define drbd_free_peer_req(m,e) __drbd_free_peer_req(m, e, 0) #define drbd_free_net_peer_req(m,e) __drbd_free_peer_req(m, e, 1) -extern struct page *drbd_alloc_pages(struct drbd_conf *, unsigned int, bool); -extern void drbd_set_recv_tcq(struct drbd_conf *mdev, int tcq_enabled); -extern void _drbd_clear_done_ee(struct drbd_conf *mdev, struct list_head *to_be_freed); +extern struct page *drbd_alloc_pages(struct drbd_device *, unsigned int, bool); +extern void drbd_set_recv_tcq(struct drbd_device *mdev, int tcq_enabled); +extern void _drbd_clear_done_ee(struct drbd_device *mdev, struct list_head *to_be_freed); extern void conn_flush_workqueue(struct drbd_tconn *tconn); -extern int drbd_connected(struct drbd_conf *mdev); -static inline void drbd_flush_workqueue(struct drbd_conf *mdev) +extern int drbd_connected(struct drbd_device *mdev); +static inline void drbd_flush_workqueue(struct drbd_device *mdev) { conn_flush_workqueue(mdev->tconn); } @@ -1336,29 +1336,29 @@ extern const char *drbd_conn_str(enum drbd_conns s); extern const char *drbd_role_str(enum drbd_role s); /* drbd_actlog.c */ -extern int drbd_al_begin_io_nonblock(struct drbd_conf *mdev, struct drbd_interval *i); -extern void drbd_al_begin_io_commit(struct drbd_conf *mdev, bool delegate); -extern bool drbd_al_begin_io_fastpath(struct drbd_conf *mdev, struct drbd_interval *i); -extern void drbd_al_begin_io(struct drbd_conf *mdev, struct drbd_interval *i, bool delegate); -extern void drbd_al_complete_io(struct drbd_conf *mdev, struct drbd_interval *i); -extern void drbd_rs_complete_io(struct drbd_conf *mdev, sector_t sector); -extern int drbd_rs_begin_io(struct drbd_conf *mdev, sector_t sector); -extern int drbd_try_rs_begin_io(struct drbd_conf *mdev, sector_t sector); -extern void drbd_rs_cancel_all(struct drbd_conf *mdev); -extern int drbd_rs_del_all(struct drbd_conf *mdev); -extern void drbd_rs_failed_io(struct drbd_conf *mdev, +extern int drbd_al_begin_io_nonblock(struct drbd_device *mdev, struct drbd_interval *i); +extern void drbd_al_begin_io_commit(struct drbd_device *mdev, bool delegate); +extern bool drbd_al_begin_io_fastpath(struct drbd_device *mdev, struct drbd_interval *i); +extern void drbd_al_begin_io(struct drbd_device *mdev, struct drbd_interval *i, bool delegate); +extern void drbd_al_complete_io(struct drbd_device *mdev, struct drbd_interval *i); +extern void drbd_rs_complete_io(struct drbd_device *mdev, sector_t sector); +extern int drbd_rs_begin_io(struct drbd_device *mdev, sector_t sector); +extern int drbd_try_rs_begin_io(struct drbd_device *mdev, sector_t sector); +extern void drbd_rs_cancel_all(struct drbd_device *mdev); +extern int drbd_rs_del_all(struct drbd_device *mdev); +extern void drbd_rs_failed_io(struct drbd_device *mdev, sector_t sector, int size); -extern void drbd_advance_rs_marks(struct drbd_conf *mdev, unsigned long still_to_go); -extern void __drbd_set_in_sync(struct drbd_conf *mdev, sector_t sector, +extern void drbd_advance_rs_marks(struct drbd_device *mdev, unsigned long still_to_go); +extern void __drbd_set_in_sync(struct drbd_device *mdev, sector_t sector, int size, const char *file, const unsigned int line); #define drbd_set_in_sync(mdev, sector, size) \ __drbd_set_in_sync(mdev, sector, size, __FILE__, __LINE__) -extern int __drbd_set_out_of_sync(struct drbd_conf *mdev, sector_t sector, +extern int __drbd_set_out_of_sync(struct drbd_device *mdev, sector_t sector, int size, const char *file, const unsigned int line); #define drbd_set_out_of_sync(mdev, sector, size) \ __drbd_set_out_of_sync(mdev, sector, size, __FILE__, __LINE__) -extern void drbd_al_shrink(struct drbd_conf *mdev); -extern int drbd_initialize_al(struct drbd_conf *, void *); +extern void drbd_al_shrink(struct drbd_device *mdev); +extern int drbd_initialize_al(struct drbd_device *, void *); /* drbd_nl.c */ /* state info broadcast */ @@ -1375,7 +1375,7 @@ struct sib_info { }; }; }; -void drbd_bcast_event(struct drbd_conf *mdev, const struct sib_info *sib); +void drbd_bcast_event(struct drbd_device *mdev, const struct sib_info *sib); /* * inline helper functions @@ -1404,7 +1404,7 @@ static inline int drbd_peer_req_has_active_page(struct drbd_peer_request *peer_r } static inline enum drbd_state_rv -_drbd_set_state(struct drbd_conf *mdev, union drbd_state ns, +_drbd_set_state(struct drbd_device *mdev, union drbd_state ns, enum chg_state_flags flags, struct completion *done) { enum drbd_state_rv rv; @@ -1416,7 +1416,7 @@ _drbd_set_state(struct drbd_conf *mdev, union drbd_state ns, return rv; } -static inline union drbd_state drbd_read_state(struct drbd_conf *mdev) +static inline union drbd_state drbd_read_state(struct drbd_device *mdev) { union drbd_state rv; @@ -1436,7 +1436,7 @@ enum drbd_force_detach_flags { }; #define __drbd_chk_io_error(m,f) __drbd_chk_io_error_(m,f, __func__) -static inline void __drbd_chk_io_error_(struct drbd_conf *mdev, +static inline void __drbd_chk_io_error_(struct drbd_device *mdev, enum drbd_force_detach_flags df, const char *where) { @@ -1500,7 +1500,7 @@ static inline void __drbd_chk_io_error_(struct drbd_conf *mdev, * See also drbd_main.c:after_state_ch() if (os.disk > D_FAILED && ns.disk == D_FAILED) */ #define drbd_chk_io_error(m,e,f) drbd_chk_io_error_(m,e,f, __func__) -static inline void drbd_chk_io_error_(struct drbd_conf *mdev, +static inline void drbd_chk_io_error_(struct drbd_device *mdev, int error, enum drbd_force_detach_flags forcedetach, const char *where) { if (error) { @@ -1643,17 +1643,17 @@ static inline void request_ping(struct drbd_tconn *tconn) } extern void *conn_prepare_command(struct drbd_tconn *, struct drbd_socket *); -extern void *drbd_prepare_command(struct drbd_conf *, struct drbd_socket *); +extern void *drbd_prepare_command(struct drbd_device *, struct drbd_socket *); extern int conn_send_command(struct drbd_tconn *, struct drbd_socket *, enum drbd_packet, unsigned int, void *, unsigned int); -extern int drbd_send_command(struct drbd_conf *, struct drbd_socket *, +extern int drbd_send_command(struct drbd_device *, struct drbd_socket *, enum drbd_packet, unsigned int, void *, unsigned int); extern int drbd_send_ping(struct drbd_tconn *tconn); extern int drbd_send_ping_ack(struct drbd_tconn *tconn); -extern int drbd_send_state_req(struct drbd_conf *, union drbd_state, union drbd_state); +extern int drbd_send_state_req(struct drbd_device *, union drbd_state, union drbd_state); extern int conn_send_state_req(struct drbd_tconn *, union drbd_state, union drbd_state); static inline void drbd_thread_stop(struct drbd_thread *thi) @@ -1693,7 +1693,7 @@ static inline void drbd_thread_restart_nowait(struct drbd_thread *thi) * _req_mod(req, CONNECTION_LOST_WHILE_PENDING) * [from tl_clear_barrier] */ -static inline void inc_ap_pending(struct drbd_conf *mdev) +static inline void inc_ap_pending(struct drbd_device *mdev) { atomic_inc(&mdev->ap_pending_cnt); } @@ -1705,7 +1705,7 @@ static inline void inc_ap_pending(struct drbd_conf *mdev) atomic_read(&mdev->which)) #define dec_ap_pending(mdev) _dec_ap_pending(mdev, __FUNCTION__, __LINE__) -static inline void _dec_ap_pending(struct drbd_conf *mdev, const char *func, int line) +static inline void _dec_ap_pending(struct drbd_device *mdev, const char *func, int line) { if (atomic_dec_and_test(&mdev->ap_pending_cnt)) wake_up(&mdev->misc_wait); @@ -1718,13 +1718,13 @@ static inline void _dec_ap_pending(struct drbd_conf *mdev, const char *func, int * C_SYNC_SOURCE sends P_RS_DATA_REPLY (and expects P_WRITE_ACK with ID_SYNCER) * (or P_NEG_ACK with ID_SYNCER) */ -static inline void inc_rs_pending(struct drbd_conf *mdev) +static inline void inc_rs_pending(struct drbd_device *mdev) { atomic_inc(&mdev->rs_pending_cnt); } #define dec_rs_pending(mdev) _dec_rs_pending(mdev, __FUNCTION__, __LINE__) -static inline void _dec_rs_pending(struct drbd_conf *mdev, const char *func, int line) +static inline void _dec_rs_pending(struct drbd_device *mdev, const char *func, int line) { atomic_dec(&mdev->rs_pending_cnt); ERR_IF_CNT_IS_NEGATIVE(rs_pending_cnt, func, line); @@ -1739,20 +1739,20 @@ static inline void _dec_rs_pending(struct drbd_conf *mdev, const char *func, int * receive_DataRequest (receive_RSDataRequest) we need to send back P_DATA * receive_Barrier_* we need to send a P_BARRIER_ACK */ -static inline void inc_unacked(struct drbd_conf *mdev) +static inline void inc_unacked(struct drbd_device *mdev) { atomic_inc(&mdev->unacked_cnt); } #define dec_unacked(mdev) _dec_unacked(mdev, __FUNCTION__, __LINE__) -static inline void _dec_unacked(struct drbd_conf *mdev, const char *func, int line) +static inline void _dec_unacked(struct drbd_device *mdev, const char *func, int line) { atomic_dec(&mdev->unacked_cnt); ERR_IF_CNT_IS_NEGATIVE(unacked_cnt, func, line); } #define sub_unacked(mdev, n) _sub_unacked(mdev, n, __FUNCTION__, __LINE__) -static inline void _sub_unacked(struct drbd_conf *mdev, int n, const char *func, int line) +static inline void _sub_unacked(struct drbd_device *mdev, int n, const char *func, int line) { atomic_sub(n, &mdev->unacked_cnt); ERR_IF_CNT_IS_NEGATIVE(unacked_cnt, func, line); @@ -1767,7 +1767,7 @@ static inline void _sub_unacked(struct drbd_conf *mdev, int n, const char *func, #define get_ldev(M) __cond_lock(local, _get_ldev_if_state(M,D_INCONSISTENT)) #define get_ldev_if_state(M,MINS) __cond_lock(local, _get_ldev_if_state(M,MINS)) -static inline void put_ldev(struct drbd_conf *mdev) +static inline void put_ldev(struct drbd_device *mdev) { int i = atomic_dec_return(&mdev->local_cnt); @@ -1790,7 +1790,7 @@ static inline void put_ldev(struct drbd_conf *mdev) } #ifndef __CHECKER__ -static inline int _get_ldev_if_state(struct drbd_conf *mdev, enum drbd_disk_state mins) +static inline int _get_ldev_if_state(struct drbd_device *mdev, enum drbd_disk_state mins) { int io_allowed; @@ -1805,11 +1805,11 @@ static inline int _get_ldev_if_state(struct drbd_conf *mdev, enum drbd_disk_stat return io_allowed; } #else -extern int _get_ldev_if_state(struct drbd_conf *mdev, enum drbd_disk_state mins); +extern int _get_ldev_if_state(struct drbd_device *mdev, enum drbd_disk_state mins); #endif /* you must have an "get_ldev" reference */ -static inline void drbd_get_syncer_progress(struct drbd_conf *mdev, +static inline void drbd_get_syncer_progress(struct drbd_device *mdev, unsigned long *bits_left, unsigned int *per_mil_done) { /* this is to break it at compile time when we change that, in case we @@ -1859,7 +1859,7 @@ static inline void drbd_get_syncer_progress(struct drbd_conf *mdev, /* this throttles on-the-fly application requests * according to max_buffers settings; * maybe re-implement using semaphores? */ -static inline int drbd_get_max_buffers(struct drbd_conf *mdev) +static inline int drbd_get_max_buffers(struct drbd_device *mdev) { struct net_conf *nc; int mxb; @@ -1872,7 +1872,7 @@ static inline int drbd_get_max_buffers(struct drbd_conf *mdev) return mxb; } -static inline int drbd_state_is_stable(struct drbd_conf *mdev) +static inline int drbd_state_is_stable(struct drbd_device *mdev) { union drbd_dev_state s = mdev->state; @@ -1942,14 +1942,14 @@ static inline int drbd_state_is_stable(struct drbd_conf *mdev) return 1; } -static inline int drbd_suspended(struct drbd_conf *mdev) +static inline int drbd_suspended(struct drbd_device *mdev) { struct drbd_tconn *tconn = mdev->tconn; return tconn->susp || tconn->susp_fen || tconn->susp_nod; } -static inline bool may_inc_ap_bio(struct drbd_conf *mdev) +static inline bool may_inc_ap_bio(struct drbd_device *mdev) { int mxb = drbd_get_max_buffers(mdev); @@ -1975,7 +1975,7 @@ static inline bool may_inc_ap_bio(struct drbd_conf *mdev) return true; } -static inline bool inc_ap_bio_cond(struct drbd_conf *mdev) +static inline bool inc_ap_bio_cond(struct drbd_device *mdev) { bool rv = false; @@ -1988,7 +1988,7 @@ static inline bool inc_ap_bio_cond(struct drbd_conf *mdev) return rv; } -static inline void inc_ap_bio(struct drbd_conf *mdev) +static inline void inc_ap_bio(struct drbd_device *mdev) { /* we wait here * as long as the device is suspended @@ -2001,7 +2001,7 @@ static inline void inc_ap_bio(struct drbd_conf *mdev) wait_event(mdev->misc_wait, inc_ap_bio_cond(mdev)); } -static inline void dec_ap_bio(struct drbd_conf *mdev) +static inline void dec_ap_bio(struct drbd_device *mdev) { int mxb = drbd_get_max_buffers(mdev); int ap_bio = atomic_dec_return(&mdev->ap_bio_cnt); @@ -2020,20 +2020,20 @@ static inline void dec_ap_bio(struct drbd_conf *mdev) wake_up(&mdev->misc_wait); } -static inline bool verify_can_do_stop_sector(struct drbd_conf *mdev) +static inline bool verify_can_do_stop_sector(struct drbd_device *mdev) { return mdev->tconn->agreed_pro_version >= 97 && mdev->tconn->agreed_pro_version != 100; } -static inline int drbd_set_ed_uuid(struct drbd_conf *mdev, u64 val) +static inline int drbd_set_ed_uuid(struct drbd_device *mdev, u64 val) { int changed = mdev->ed_uuid != val; mdev->ed_uuid = val; return changed; } -static inline int drbd_queue_order_type(struct drbd_conf *mdev) +static inline int drbd_queue_order_type(struct drbd_device *mdev) { /* sorry, we currently have no working implementation * of distributed TCQ stuff */ @@ -2043,7 +2043,7 @@ static inline int drbd_queue_order_type(struct drbd_conf *mdev) return QUEUE_ORDERED_NONE; } -static inline void drbd_md_flush(struct drbd_conf *mdev) +static inline void drbd_md_flush(struct drbd_device *mdev) { int r; |