Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 1 | #ifndef _FS_CEPH_OSD_CLIENT_H |
| 2 | #define _FS_CEPH_OSD_CLIENT_H |
| 3 | |
| 4 | #include <linux/completion.h> |
Sage Weil | 415e49a | 2009-12-07 13:37:03 -0800 | [diff] [blame] | 5 | #include <linux/kref.h> |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 6 | #include <linux/mempool.h> |
| 7 | #include <linux/rbtree.h> |
| 8 | |
Alex Elder | 6c4a191 | 2012-05-16 15:16:38 -0500 | [diff] [blame] | 9 | #include <linux/ceph/types.h> |
| 10 | #include <linux/ceph/osdmap.h> |
| 11 | #include <linux/ceph/messenger.h> |
Ilya Dryomov | b2aa5d0 | 2016-06-07 21:57:15 +0200 | [diff] [blame] | 12 | #include <linux/ceph/msgpool.h> |
Alex Elder | 6c4a191 | 2012-05-16 15:16:38 -0500 | [diff] [blame] | 13 | #include <linux/ceph/auth.h> |
Alex Elder | c885837 | 2012-11-13 21:11:15 -0600 | [diff] [blame] | 14 | #include <linux/ceph/pagelist.h> |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 15 | |
| 16 | struct ceph_msg; |
| 17 | struct ceph_snap_context; |
| 18 | struct ceph_osd_request; |
| 19 | struct ceph_osd_client; |
| 20 | |
| 21 | /* |
| 22 | * completion callback for async writepages |
| 23 | */ |
Ilya Dryomov | 85e084f | 2016-04-28 16:07:24 +0200 | [diff] [blame] | 24 | typedef void (*ceph_osdc_callback_t)(struct ceph_osd_request *); |
Alex Elder | 26be880 | 2013-04-15 11:20:42 -0500 | [diff] [blame] | 25 | typedef void (*ceph_osdc_unsafe_callback_t)(struct ceph_osd_request *, bool); |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 26 | |
Ilya Dryomov | 63244fa | 2016-04-28 16:07:23 +0200 | [diff] [blame] | 27 | #define CEPH_HOMELESS_OSD -1 |
| 28 | |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 29 | /* a given osd we're communicating with */ |
| 30 | struct ceph_osd { |
| 31 | atomic_t o_ref; |
| 32 | struct ceph_osd_client *o_osdc; |
| 33 | int o_osd; |
| 34 | int o_incarnation; |
| 35 | struct rb_node o_node; |
| 36 | struct ceph_connection o_con; |
Ilya Dryomov | 5aea3dc | 2016-04-28 16:07:26 +0200 | [diff] [blame] | 37 | struct rb_root o_requests; |
Ilya Dryomov | 922dab6 | 2016-05-26 01:15:02 +0200 | [diff] [blame] | 38 | struct rb_root o_linger_requests; |
Yehuda Sadeh | f5a2041 | 2010-02-03 11:00:26 -0800 | [diff] [blame] | 39 | struct list_head o_osd_lru; |
Alex Elder | 6c4a191 | 2012-05-16 15:16:38 -0500 | [diff] [blame] | 40 | struct ceph_auth_handshake o_auth; |
Yehuda Sadeh | f5a2041 | 2010-02-03 11:00:26 -0800 | [diff] [blame] | 41 | unsigned long lru_ttl; |
Yehuda Sadeh | 422d2cb | 2010-02-26 15:32:31 -0800 | [diff] [blame] | 42 | struct list_head o_keepalive_item; |
Ilya Dryomov | 5aea3dc | 2016-04-28 16:07:26 +0200 | [diff] [blame] | 43 | struct mutex lock; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 44 | }; |
| 45 | |
Ilya Dryomov | 3f1af42 | 2016-02-09 17:50:15 +0100 | [diff] [blame] | 46 | #define CEPH_OSD_SLAB_OPS 2 |
| 47 | #define CEPH_OSD_MAX_OPS 16 |
Sage Weil | 1b83bef | 2013-02-25 16:11:12 -0800 | [diff] [blame] | 48 | |
Alex Elder | 2ac2b7a6 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 49 | enum ceph_osd_data_type { |
Alex Elder | ec9123c | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 50 | CEPH_OSD_DATA_TYPE_NONE = 0, |
Alex Elder | 2ac2b7a6 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 51 | CEPH_OSD_DATA_TYPE_PAGES, |
Alex Elder | 9a5e6d0 | 2013-03-08 13:35:36 -0600 | [diff] [blame] | 52 | CEPH_OSD_DATA_TYPE_PAGELIST, |
Alex Elder | 2ac2b7a6 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 53 | #ifdef CONFIG_BLOCK |
| 54 | CEPH_OSD_DATA_TYPE_BIO, |
| 55 | #endif /* CONFIG_BLOCK */ |
| 56 | }; |
| 57 | |
Alex Elder | 2794a82 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 58 | struct ceph_osd_data { |
Alex Elder | 2ac2b7a6 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 59 | enum ceph_osd_data_type type; |
| 60 | union { |
Alex Elder | 2794a82 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 61 | struct { |
| 62 | struct page **pages; |
Alex Elder | e0c5948 | 2013-03-07 15:38:25 -0600 | [diff] [blame] | 63 | u64 length; |
Alex Elder | 2794a82 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 64 | u32 alignment; |
| 65 | bool pages_from_pool; |
| 66 | bool own_pages; |
| 67 | }; |
Alex Elder | 9a5e6d0 | 2013-03-08 13:35:36 -0600 | [diff] [blame] | 68 | struct ceph_pagelist *pagelist; |
Alex Elder | 2794a82 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 69 | #ifdef CONFIG_BLOCK |
Alex Elder | fdce58c | 2013-03-14 14:09:06 -0500 | [diff] [blame] | 70 | struct { |
| 71 | struct bio *bio; /* list of bios */ |
| 72 | size_t bio_length; /* total in list */ |
| 73 | }; |
Alex Elder | 2794a82 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 74 | #endif /* CONFIG_BLOCK */ |
| 75 | }; |
| 76 | }; |
| 77 | |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 78 | struct ceph_osd_req_op { |
| 79 | u16 op; /* CEPH_OSD_OP_* */ |
Ilya Dryomov | 7b25bf5 | 2014-02-25 16:22:26 +0200 | [diff] [blame] | 80 | u32 flags; /* CEPH_OSD_OP_FLAG_* */ |
Ilya Dryomov | de2aa10 | 2016-02-08 13:39:46 +0100 | [diff] [blame] | 81 | u32 indata_len; /* request */ |
Yan, Zheng | 7665d85 | 2016-01-07 16:48:57 +0800 | [diff] [blame] | 82 | u32 outdata_len; /* reply */ |
| 83 | s32 rval; |
| 84 | |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 85 | union { |
Alex Elder | 4971977 | 2013-02-11 12:33:24 -0600 | [diff] [blame] | 86 | struct ceph_osd_data raw_data_in; |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 87 | struct { |
| 88 | u64 offset, length; |
| 89 | u64 truncate_size; |
| 90 | u32 truncate_seq; |
Alex Elder | 5476492 | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 91 | struct ceph_osd_data osd_data; |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 92 | } extent; |
| 93 | struct { |
Ilya Dryomov | d7d5a00 | 2014-12-19 14:00:41 +0300 | [diff] [blame] | 94 | u32 name_len; |
| 95 | u32 value_len; |
Yan, Zheng | d74b50b | 2014-11-12 14:00:43 +0800 | [diff] [blame] | 96 | __u8 cmp_op; /* CEPH_OSD_CMPXATTR_OP_* */ |
| 97 | __u8 cmp_mode; /* CEPH_OSD_CMPXATTR_MODE_* */ |
| 98 | struct ceph_osd_data osd_data; |
| 99 | } xattr; |
| 100 | struct { |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 101 | const char *class_name; |
| 102 | const char *method_name; |
Alex Elder | 5476492 | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 103 | struct ceph_osd_data request_info; |
Alex Elder | 04017e2 | 2013-04-05 14:46:02 -0500 | [diff] [blame] | 104 | struct ceph_osd_data request_data; |
Alex Elder | 5476492 | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 105 | struct ceph_osd_data response_data; |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 106 | __u8 class_len; |
| 107 | __u8 method_len; |
Ilya Dryomov | bb873b5 | 2016-05-26 00:29:52 +0200 | [diff] [blame] | 108 | u32 indata_len; |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 109 | } cls; |
| 110 | struct { |
| 111 | u64 cookie; |
Ilya Dryomov | 922dab6 | 2016-05-26 01:15:02 +0200 | [diff] [blame] | 112 | __u8 op; /* CEPH_OSD_WATCH_OP_ */ |
| 113 | u32 gen; |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 114 | } watch; |
Ilya Dryomov | c647b8a | 2014-02-25 16:22:27 +0200 | [diff] [blame] | 115 | struct { |
Ilya Dryomov | 922dab6 | 2016-05-26 01:15:02 +0200 | [diff] [blame] | 116 | struct ceph_osd_data request_data; |
| 117 | } notify_ack; |
| 118 | struct { |
Ilya Dryomov | 1907920 | 2016-04-28 16:07:27 +0200 | [diff] [blame] | 119 | u64 cookie; |
| 120 | struct ceph_osd_data request_data; |
| 121 | struct ceph_osd_data response_data; |
| 122 | } notify; |
| 123 | struct { |
Douglas Fuller | a4ed38d | 2015-07-17 13:18:07 -0700 | [diff] [blame] | 124 | struct ceph_osd_data response_data; |
| 125 | } list_watchers; |
| 126 | struct { |
Ilya Dryomov | c647b8a | 2014-02-25 16:22:27 +0200 | [diff] [blame] | 127 | u64 expected_object_size; |
| 128 | u64 expected_write_size; |
| 129 | } alloc_hint; |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 130 | }; |
| 131 | }; |
| 132 | |
Ilya Dryomov | 63244fa | 2016-04-28 16:07:23 +0200 | [diff] [blame] | 133 | struct ceph_osd_request_target { |
| 134 | struct ceph_object_id base_oid; |
| 135 | struct ceph_object_locator base_oloc; |
| 136 | struct ceph_object_id target_oid; |
| 137 | struct ceph_object_locator target_oloc; |
| 138 | |
| 139 | struct ceph_pg pgid; |
| 140 | u32 pg_num; |
| 141 | u32 pg_num_mask; |
| 142 | struct ceph_osds acting; |
| 143 | struct ceph_osds up; |
| 144 | int size; |
| 145 | int min_size; |
| 146 | bool sort_bitwise; |
| 147 | |
| 148 | unsigned int flags; /* CEPH_OSD_FLAG_* */ |
| 149 | bool paused; |
| 150 | |
| 151 | int osd; |
| 152 | }; |
| 153 | |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 154 | /* an in-flight request */ |
| 155 | struct ceph_osd_request { |
| 156 | u64 r_tid; /* unique for this client */ |
| 157 | struct rb_node r_node; |
Ilya Dryomov | 4609245 | 2016-04-28 16:07:27 +0200 | [diff] [blame] | 158 | struct rb_node r_mc_node; /* map check */ |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 159 | struct ceph_osd *r_osd; |
Ilya Dryomov | a66dd38 | 2016-04-28 16:07:23 +0200 | [diff] [blame] | 160 | |
| 161 | struct ceph_osd_request_target r_t; |
| 162 | #define r_base_oid r_t.base_oid |
| 163 | #define r_base_oloc r_t.base_oloc |
| 164 | #define r_flags r_t.flags |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 165 | |
| 166 | struct ceph_msg *r_request, *r_reply; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 167 | u32 r_sent; /* >0 if r_request is sending/sent */ |
Sage Weil | 1b83bef | 2013-02-25 16:11:12 -0800 | [diff] [blame] | 168 | |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 169 | /* request osd ops array */ |
| 170 | unsigned int r_num_ops; |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 171 | |
Sage Weil | 1b83bef | 2013-02-25 16:11:12 -0800 | [diff] [blame] | 172 | int r_result; |
Ilya Dryomov | fe5da05 | 2016-04-28 16:07:24 +0200 | [diff] [blame] | 173 | bool r_got_reply; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 174 | |
| 175 | struct ceph_osd_client *r_osdc; |
Sage Weil | 415e49a | 2009-12-07 13:37:03 -0800 | [diff] [blame] | 176 | struct kref r_kref; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 177 | bool r_mempool; |
Ilya Dryomov | fe5da05 | 2016-04-28 16:07:24 +0200 | [diff] [blame] | 178 | struct completion r_completion; |
| 179 | struct completion r_safe_completion; /* fsync waiter */ |
Alex Elder | 26be880 | 2013-04-15 11:20:42 -0500 | [diff] [blame] | 180 | ceph_osdc_callback_t r_callback; |
| 181 | ceph_osdc_unsafe_callback_t r_unsafe_callback; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 182 | struct list_head r_unsafe_item; |
| 183 | |
| 184 | struct inode *r_inode; /* for use by callbacks */ |
Yehuda Sadeh | 3d14c5d | 2010-04-06 15:14:15 -0700 | [diff] [blame] | 185 | void *r_priv; /* ditto */ |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 186 | |
Ilya Dryomov | bb873b5 | 2016-05-26 00:29:52 +0200 | [diff] [blame] | 187 | /* set by submitter */ |
| 188 | u64 r_snapid; /* for reads, CEPH_NOSNAP o/w */ |
| 189 | struct ceph_snap_context *r_snapc; /* for writes */ |
| 190 | struct timespec r_mtime; /* ditto */ |
| 191 | u64 r_data_offset; /* ditto */ |
Ilya Dryomov | 922dab6 | 2016-05-26 01:15:02 +0200 | [diff] [blame] | 192 | bool r_linger; /* don't resend on failure */ |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 193 | |
Ilya Dryomov | bb873b5 | 2016-05-26 00:29:52 +0200 | [diff] [blame] | 194 | /* internal */ |
| 195 | unsigned long r_stamp; /* jiffies, send or check time */ |
| 196 | int r_attempts; |
| 197 | struct ceph_eversion r_replay_version; /* aka reassert_version */ |
| 198 | u32 r_last_force_resend; |
Ilya Dryomov | 4609245 | 2016-04-28 16:07:27 +0200 | [diff] [blame] | 199 | u32 r_map_dne_bound; |
Ilya Dryomov | 3f1af42 | 2016-02-09 17:50:15 +0100 | [diff] [blame] | 200 | |
| 201 | struct ceph_osd_req_op r_ops[]; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 202 | }; |
| 203 | |
Ilya Dryomov | 205ee118 | 2014-01-27 17:40:20 +0200 | [diff] [blame] | 204 | struct ceph_request_redirect { |
| 205 | struct ceph_object_locator oloc; |
| 206 | }; |
| 207 | |
Ilya Dryomov | 922dab6 | 2016-05-26 01:15:02 +0200 | [diff] [blame] | 208 | typedef void (*rados_watchcb2_t)(void *arg, u64 notify_id, u64 cookie, |
| 209 | u64 notifier_id, void *data, size_t data_len); |
| 210 | typedef void (*rados_watcherrcb_t)(void *arg, u64 cookie, int err); |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 211 | |
Ilya Dryomov | 922dab6 | 2016-05-26 01:15:02 +0200 | [diff] [blame] | 212 | struct ceph_osd_linger_request { |
| 213 | struct ceph_osd_client *osdc; |
| 214 | u64 linger_id; |
| 215 | bool committed; |
Ilya Dryomov | 1907920 | 2016-04-28 16:07:27 +0200 | [diff] [blame] | 216 | bool is_watch; /* watch or notify */ |
Ilya Dryomov | 922dab6 | 2016-05-26 01:15:02 +0200 | [diff] [blame] | 217 | |
| 218 | struct ceph_osd *osd; |
| 219 | struct ceph_osd_request *reg_req; |
| 220 | struct ceph_osd_request *ping_req; |
| 221 | unsigned long ping_sent; |
Ilya Dryomov | b07d3c4 | 2016-04-28 16:07:27 +0200 | [diff] [blame] | 222 | unsigned long watch_valid_thru; |
| 223 | struct list_head pending_lworks; |
Ilya Dryomov | 922dab6 | 2016-05-26 01:15:02 +0200 | [diff] [blame] | 224 | |
| 225 | struct ceph_osd_request_target t; |
| 226 | u32 last_force_resend; |
Ilya Dryomov | 4609245 | 2016-04-28 16:07:27 +0200 | [diff] [blame] | 227 | u32 map_dne_bound; |
Ilya Dryomov | 922dab6 | 2016-05-26 01:15:02 +0200 | [diff] [blame] | 228 | |
| 229 | struct timespec mtime; |
| 230 | |
| 231 | struct kref kref; |
| 232 | struct mutex lock; |
| 233 | struct rb_node node; /* osd */ |
| 234 | struct rb_node osdc_node; /* osdc */ |
Ilya Dryomov | 4609245 | 2016-04-28 16:07:27 +0200 | [diff] [blame] | 235 | struct rb_node mc_node; /* map check */ |
Ilya Dryomov | 922dab6 | 2016-05-26 01:15:02 +0200 | [diff] [blame] | 236 | struct list_head scan_item; |
| 237 | |
| 238 | struct completion reg_commit_wait; |
Ilya Dryomov | 1907920 | 2016-04-28 16:07:27 +0200 | [diff] [blame] | 239 | struct completion notify_finish_wait; |
Ilya Dryomov | 922dab6 | 2016-05-26 01:15:02 +0200 | [diff] [blame] | 240 | int reg_commit_error; |
Ilya Dryomov | 1907920 | 2016-04-28 16:07:27 +0200 | [diff] [blame] | 241 | int notify_finish_error; |
Ilya Dryomov | 922dab6 | 2016-05-26 01:15:02 +0200 | [diff] [blame] | 242 | int last_error; |
| 243 | |
| 244 | u32 register_gen; |
Ilya Dryomov | 1907920 | 2016-04-28 16:07:27 +0200 | [diff] [blame] | 245 | u64 notify_id; |
Ilya Dryomov | 922dab6 | 2016-05-26 01:15:02 +0200 | [diff] [blame] | 246 | |
| 247 | rados_watchcb2_t wcb; |
| 248 | rados_watcherrcb_t errcb; |
| 249 | void *data; |
Ilya Dryomov | 1907920 | 2016-04-28 16:07:27 +0200 | [diff] [blame] | 250 | |
| 251 | struct page ***preply_pages; |
| 252 | size_t *preply_len; |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 253 | }; |
| 254 | |
Douglas Fuller | a4ed38d | 2015-07-17 13:18:07 -0700 | [diff] [blame] | 255 | struct ceph_watch_item { |
| 256 | struct ceph_entity_name name; |
| 257 | u64 cookie; |
| 258 | struct ceph_entity_addr addr; |
| 259 | }; |
| 260 | |
Ilya Dryomov | 264048a | 2016-11-08 15:15:24 +0100 | [diff] [blame] | 261 | #define CEPH_LINGER_ID_START 0xffff000000000000ULL |
| 262 | |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 263 | struct ceph_osd_client { |
| 264 | struct ceph_client *client; |
| 265 | |
| 266 | struct ceph_osdmap *osdmap; /* current map */ |
Ilya Dryomov | 5aea3dc | 2016-04-28 16:07:26 +0200 | [diff] [blame] | 267 | struct rw_semaphore lock; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 268 | |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 269 | struct rb_root osds; /* osds */ |
Yehuda Sadeh | f5a2041 | 2010-02-03 11:00:26 -0800 | [diff] [blame] | 270 | struct list_head osd_lru; /* idle osds */ |
Ilya Dryomov | 9dd2845 | 2016-04-28 16:07:26 +0200 | [diff] [blame] | 271 | spinlock_t osd_lru_lock; |
Ilya Dryomov | 5aea3dc | 2016-04-28 16:07:26 +0200 | [diff] [blame] | 272 | struct ceph_osd homeless_osd; |
| 273 | atomic64_t last_tid; /* tid of last request */ |
Ilya Dryomov | 922dab6 | 2016-05-26 01:15:02 +0200 | [diff] [blame] | 274 | u64 last_linger_id; |
| 275 | struct rb_root linger_requests; /* lingering requests */ |
Ilya Dryomov | 4609245 | 2016-04-28 16:07:27 +0200 | [diff] [blame] | 276 | struct rb_root map_checks; |
| 277 | struct rb_root linger_map_checks; |
Ilya Dryomov | 5aea3dc | 2016-04-28 16:07:26 +0200 | [diff] [blame] | 278 | atomic_t num_requests; |
| 279 | atomic_t num_homeless; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 280 | struct delayed_work timeout_work; |
Yehuda Sadeh | f5a2041 | 2010-02-03 11:00:26 -0800 | [diff] [blame] | 281 | struct delayed_work osds_timeout_work; |
Sage Weil | 039934b | 2009-11-12 15:05:52 -0800 | [diff] [blame] | 282 | #ifdef CONFIG_DEBUG_FS |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 283 | struct dentry *debugfs_file; |
Sage Weil | 039934b | 2009-11-12 15:05:52 -0800 | [diff] [blame] | 284 | #endif |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 285 | |
| 286 | mempool_t *req_mempool; |
| 287 | |
Yehuda Sadeh | 0d59ab8 | 2010-01-13 17:03:23 -0800 | [diff] [blame] | 288 | struct ceph_msgpool msgpool_op; |
Sage Weil | c16e786 | 2010-03-01 13:02:00 -0800 | [diff] [blame] | 289 | struct ceph_msgpool msgpool_op_reply; |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 290 | |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 291 | struct workqueue_struct *notify_wq; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 292 | }; |
| 293 | |
Ilya Dryomov | b7ec35b | 2016-04-28 16:07:25 +0200 | [diff] [blame] | 294 | static inline bool ceph_osdmap_flag(struct ceph_osd_client *osdc, int flag) |
| 295 | { |
| 296 | return osdc->osdmap->flags & flag; |
| 297 | } |
| 298 | |
Alex Elder | 5522ae0 | 2013-05-01 12:43:04 -0500 | [diff] [blame] | 299 | extern int ceph_osdc_setup(void); |
| 300 | extern void ceph_osdc_cleanup(void); |
| 301 | |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 302 | extern int ceph_osdc_init(struct ceph_osd_client *osdc, |
| 303 | struct ceph_client *client); |
| 304 | extern void ceph_osdc_stop(struct ceph_osd_client *osdc); |
| 305 | |
| 306 | extern void ceph_osdc_handle_reply(struct ceph_osd_client *osdc, |
| 307 | struct ceph_msg *msg); |
| 308 | extern void ceph_osdc_handle_map(struct ceph_osd_client *osdc, |
| 309 | struct ceph_msg *msg); |
| 310 | |
Alex Elder | 4971977 | 2013-02-11 12:33:24 -0600 | [diff] [blame] | 311 | extern void osd_req_op_init(struct ceph_osd_request *osd_req, |
Yan, Zheng | 144cba1 | 2015-04-27 11:09:54 +0800 | [diff] [blame] | 312 | unsigned int which, u16 opcode, u32 flags); |
Alex Elder | 4971977 | 2013-02-11 12:33:24 -0600 | [diff] [blame] | 313 | |
| 314 | extern void osd_req_op_raw_data_in_pages(struct ceph_osd_request *, |
| 315 | unsigned int which, |
| 316 | struct page **pages, u64 length, |
| 317 | u32 alignment, bool pages_from_pool, |
| 318 | bool own_pages); |
| 319 | |
Alex Elder | c99d2d4 | 2013-04-05 01:27:11 -0500 | [diff] [blame] | 320 | extern void osd_req_op_extent_init(struct ceph_osd_request *osd_req, |
| 321 | unsigned int which, u16 opcode, |
Alex Elder | 33803f3 | 2013-03-13 20:50:00 -0500 | [diff] [blame] | 322 | u64 offset, u64 length, |
| 323 | u64 truncate_size, u32 truncate_seq); |
Alex Elder | c99d2d4 | 2013-04-05 01:27:11 -0500 | [diff] [blame] | 324 | extern void osd_req_op_extent_update(struct ceph_osd_request *osd_req, |
| 325 | unsigned int which, u64 length); |
Yan, Zheng | 2c63f49 | 2016-01-07 17:32:54 +0800 | [diff] [blame] | 326 | extern void osd_req_op_extent_dup_last(struct ceph_osd_request *osd_req, |
| 327 | unsigned int which, u64 offset_inc); |
Alex Elder | a4ce40a | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 328 | |
| 329 | extern struct ceph_osd_data *osd_req_op_extent_osd_data( |
| 330 | struct ceph_osd_request *osd_req, |
Alex Elder | 406e2c9 | 2013-04-15 14:50:36 -0500 | [diff] [blame] | 331 | unsigned int which); |
Alex Elder | a4ce40a | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 332 | |
| 333 | extern void osd_req_op_extent_osd_data_pages(struct ceph_osd_request *, |
Alex Elder | 406e2c9 | 2013-04-15 14:50:36 -0500 | [diff] [blame] | 334 | unsigned int which, |
Alex Elder | a4ce40a | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 335 | struct page **pages, u64 length, |
| 336 | u32 alignment, bool pages_from_pool, |
| 337 | bool own_pages); |
| 338 | extern void osd_req_op_extent_osd_data_pagelist(struct ceph_osd_request *, |
Alex Elder | 406e2c9 | 2013-04-15 14:50:36 -0500 | [diff] [blame] | 339 | unsigned int which, |
Alex Elder | a4ce40a | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 340 | struct ceph_pagelist *pagelist); |
| 341 | #ifdef CONFIG_BLOCK |
| 342 | extern void osd_req_op_extent_osd_data_bio(struct ceph_osd_request *, |
Alex Elder | 406e2c9 | 2013-04-15 14:50:36 -0500 | [diff] [blame] | 343 | unsigned int which, |
Alex Elder | a4ce40a | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 344 | struct bio *bio, size_t bio_length); |
| 345 | #endif /* CONFIG_BLOCK */ |
| 346 | |
Alex Elder | 04017e2 | 2013-04-05 14:46:02 -0500 | [diff] [blame] | 347 | extern void osd_req_op_cls_request_data_pagelist(struct ceph_osd_request *, |
| 348 | unsigned int which, |
| 349 | struct ceph_pagelist *pagelist); |
Alex Elder | 6c57b55 | 2013-04-19 15:34:49 -0500 | [diff] [blame] | 350 | extern void osd_req_op_cls_request_data_pages(struct ceph_osd_request *, |
| 351 | unsigned int which, |
| 352 | struct page **pages, u64 length, |
| 353 | u32 alignment, bool pages_from_pool, |
| 354 | bool own_pages); |
Alex Elder | a4ce40a | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 355 | extern void osd_req_op_cls_response_data_pages(struct ceph_osd_request *, |
Alex Elder | c99d2d4 | 2013-04-05 01:27:11 -0500 | [diff] [blame] | 356 | unsigned int which, |
Alex Elder | a4ce40a | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 357 | struct page **pages, u64 length, |
| 358 | u32 alignment, bool pages_from_pool, |
| 359 | bool own_pages); |
Alex Elder | c99d2d4 | 2013-04-05 01:27:11 -0500 | [diff] [blame] | 360 | extern void osd_req_op_cls_init(struct ceph_osd_request *osd_req, |
| 361 | unsigned int which, u16 opcode, |
Alex Elder | 04017e2 | 2013-04-05 14:46:02 -0500 | [diff] [blame] | 362 | const char *class, const char *method); |
Yan, Zheng | d74b50b | 2014-11-12 14:00:43 +0800 | [diff] [blame] | 363 | extern int osd_req_op_xattr_init(struct ceph_osd_request *osd_req, unsigned int which, |
| 364 | u16 opcode, const char *name, const void *value, |
| 365 | size_t size, u8 cmp_op, u8 cmp_mode); |
Ilya Dryomov | c647b8a | 2014-02-25 16:22:27 +0200 | [diff] [blame] | 366 | extern void osd_req_op_alloc_hint_init(struct ceph_osd_request *osd_req, |
| 367 | unsigned int which, |
| 368 | u64 expected_object_size, |
| 369 | u64 expected_write_size); |
Alex Elder | 33803f3 | 2013-03-13 20:50:00 -0500 | [diff] [blame] | 370 | |
Yehuda Sadeh | 3499e8a | 2010-04-06 14:51:47 -0700 | [diff] [blame] | 371 | extern struct ceph_osd_request *ceph_osdc_alloc_request(struct ceph_osd_client *osdc, |
Yehuda Sadeh | 3499e8a | 2010-04-06 14:51:47 -0700 | [diff] [blame] | 372 | struct ceph_snap_context *snapc, |
Alex Elder | acead00 | 2013-03-14 14:09:05 -0500 | [diff] [blame] | 373 | unsigned int num_ops, |
Yehuda Sadeh | 3499e8a | 2010-04-06 14:51:47 -0700 | [diff] [blame] | 374 | bool use_mempool, |
Alex Elder | 54a5400 | 2012-11-13 21:11:15 -0600 | [diff] [blame] | 375 | gfp_t gfp_flags); |
Ilya Dryomov | 13d1ad1 | 2016-04-27 14:15:51 +0200 | [diff] [blame] | 376 | int ceph_osdc_alloc_messages(struct ceph_osd_request *req, gfp_t gfp); |
Yehuda Sadeh | 3499e8a | 2010-04-06 14:51:47 -0700 | [diff] [blame] | 377 | |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 378 | extern struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *, |
| 379 | struct ceph_file_layout *layout, |
| 380 | struct ceph_vino vino, |
Alex Elder | acead00 | 2013-03-14 14:09:05 -0500 | [diff] [blame] | 381 | u64 offset, u64 *len, |
Yan, Zheng | 715e4cd | 2014-11-13 14:40:37 +0800 | [diff] [blame] | 382 | unsigned int which, int num_ops, |
| 383 | int opcode, int flags, |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 384 | struct ceph_snap_context *snapc, |
Alex Elder | acead00 | 2013-03-14 14:09:05 -0500 | [diff] [blame] | 385 | u32 truncate_seq, u64 truncate_size, |
Alex Elder | 153e516 | 2013-03-01 18:00:15 -0600 | [diff] [blame] | 386 | bool use_mempool); |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 387 | |
Ilya Dryomov | 9e94af2 | 2014-06-20 14:14:42 +0400 | [diff] [blame] | 388 | extern void ceph_osdc_get_request(struct ceph_osd_request *req); |
| 389 | extern void ceph_osdc_put_request(struct ceph_osd_request *req); |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 390 | |
| 391 | extern int ceph_osdc_start_request(struct ceph_osd_client *osdc, |
| 392 | struct ceph_osd_request *req, |
| 393 | bool nofail); |
Ilya Dryomov | c9f9b93d | 2014-06-19 11:38:13 +0400 | [diff] [blame] | 394 | extern void ceph_osdc_cancel_request(struct ceph_osd_request *req); |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 395 | extern int ceph_osdc_wait_request(struct ceph_osd_client *osdc, |
| 396 | struct ceph_osd_request *req); |
| 397 | extern void ceph_osdc_sync(struct ceph_osd_client *osdc); |
| 398 | |
Josh Durgin | dd935f4 | 2013-08-28 21:43:09 -0700 | [diff] [blame] | 399 | extern void ceph_osdc_flush_notifies(struct ceph_osd_client *osdc); |
Ilya Dryomov | 7cca78c | 2016-04-28 16:07:28 +0200 | [diff] [blame] | 400 | void ceph_osdc_maybe_request_map(struct ceph_osd_client *osdc); |
Josh Durgin | dd935f4 | 2013-08-28 21:43:09 -0700 | [diff] [blame] | 401 | |
Douglas Fuller | 428a715 | 2015-06-17 14:49:45 -0400 | [diff] [blame] | 402 | int ceph_osdc_call(struct ceph_osd_client *osdc, |
| 403 | struct ceph_object_id *oid, |
| 404 | struct ceph_object_locator *oloc, |
| 405 | const char *class, const char *method, |
| 406 | unsigned int flags, |
| 407 | struct page *req_page, size_t req_len, |
| 408 | struct page *resp_page, size_t *resp_len); |
| 409 | |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 410 | extern int ceph_osdc_readpages(struct ceph_osd_client *osdc, |
| 411 | struct ceph_vino vino, |
| 412 | struct ceph_file_layout *layout, |
| 413 | u64 off, u64 *plen, |
| 414 | u32 truncate_seq, u64 truncate_size, |
Sage Weil | b7495fc | 2010-11-09 12:43:12 -0800 | [diff] [blame] | 415 | struct page **pages, int nr_pages, |
| 416 | int page_align); |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 417 | |
| 418 | extern int ceph_osdc_writepages(struct ceph_osd_client *osdc, |
| 419 | struct ceph_vino vino, |
| 420 | struct ceph_file_layout *layout, |
| 421 | struct ceph_snap_context *sc, |
| 422 | u64 off, u64 len, |
| 423 | u32 truncate_seq, u64 truncate_size, |
| 424 | struct timespec *mtime, |
Alex Elder | 2480882 | 2013-02-15 11:42:29 -0600 | [diff] [blame] | 425 | struct page **pages, int nr_pages); |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 426 | |
Ilya Dryomov | 922dab6 | 2016-05-26 01:15:02 +0200 | [diff] [blame] | 427 | /* watch/notify */ |
| 428 | struct ceph_osd_linger_request * |
| 429 | ceph_osdc_watch(struct ceph_osd_client *osdc, |
| 430 | struct ceph_object_id *oid, |
| 431 | struct ceph_object_locator *oloc, |
| 432 | rados_watchcb2_t wcb, |
| 433 | rados_watcherrcb_t errcb, |
| 434 | void *data); |
| 435 | int ceph_osdc_unwatch(struct ceph_osd_client *osdc, |
| 436 | struct ceph_osd_linger_request *lreq); |
| 437 | |
| 438 | int ceph_osdc_notify_ack(struct ceph_osd_client *osdc, |
| 439 | struct ceph_object_id *oid, |
| 440 | struct ceph_object_locator *oloc, |
| 441 | u64 notify_id, |
| 442 | u64 cookie, |
| 443 | void *payload, |
| 444 | size_t payload_len); |
Ilya Dryomov | 1907920 | 2016-04-28 16:07:27 +0200 | [diff] [blame] | 445 | int ceph_osdc_notify(struct ceph_osd_client *osdc, |
| 446 | struct ceph_object_id *oid, |
| 447 | struct ceph_object_locator *oloc, |
| 448 | void *payload, |
| 449 | size_t payload_len, |
| 450 | u32 timeout, |
| 451 | struct page ***preply_pages, |
| 452 | size_t *preply_len); |
Ilya Dryomov | b07d3c4 | 2016-04-28 16:07:27 +0200 | [diff] [blame] | 453 | int ceph_osdc_watch_check(struct ceph_osd_client *osdc, |
| 454 | struct ceph_osd_linger_request *lreq); |
Douglas Fuller | a4ed38d | 2015-07-17 13:18:07 -0700 | [diff] [blame] | 455 | int ceph_osdc_list_watchers(struct ceph_osd_client *osdc, |
| 456 | struct ceph_object_id *oid, |
| 457 | struct ceph_object_locator *oloc, |
| 458 | struct ceph_watch_item **watchers, |
| 459 | u32 *num_watchers); |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 460 | #endif |
| 461 | |