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> |
| 12 | #include <linux/ceph/auth.h> |
Alex Elder | c885837 | 2012-11-13 21:11:15 -0600 | [diff] [blame] | 13 | #include <linux/ceph/pagelist.h> |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 14 | |
| 15 | struct ceph_msg; |
| 16 | struct ceph_snap_context; |
| 17 | struct ceph_osd_request; |
| 18 | struct ceph_osd_client; |
| 19 | |
| 20 | /* |
| 21 | * completion callback for async writepages |
| 22 | */ |
Ilya Dryomov | 85e084f | 2016-04-28 16:07:24 +0200 | [diff] [blame] | 23 | typedef void (*ceph_osdc_callback_t)(struct ceph_osd_request *); |
Alex Elder | 26be880 | 2013-04-15 11:20:42 -0500 | [diff] [blame] | 24 | typedef void (*ceph_osdc_unsafe_callback_t)(struct ceph_osd_request *, bool); |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 25 | |
Ilya Dryomov | 63244fa | 2016-04-28 16:07:23 +0200 | [diff] [blame] | 26 | #define CEPH_HOMELESS_OSD -1 |
| 27 | |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 28 | /* a given osd we're communicating with */ |
| 29 | struct ceph_osd { |
| 30 | atomic_t o_ref; |
| 31 | struct ceph_osd_client *o_osdc; |
| 32 | int o_osd; |
| 33 | int o_incarnation; |
| 34 | struct rb_node o_node; |
| 35 | struct ceph_connection o_con; |
| 36 | struct list_head o_requests; |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 37 | struct list_head o_linger_requests; |
Yehuda Sadeh | f5a2041 | 2010-02-03 11:00:26 -0800 | [diff] [blame] | 38 | struct list_head o_osd_lru; |
Alex Elder | 6c4a191 | 2012-05-16 15:16:38 -0500 | [diff] [blame] | 39 | struct ceph_auth_handshake o_auth; |
Yehuda Sadeh | f5a2041 | 2010-02-03 11:00:26 -0800 | [diff] [blame] | 40 | unsigned long lru_ttl; |
Yehuda Sadeh | 422d2cb | 2010-02-26 15:32:31 -0800 | [diff] [blame] | 41 | struct list_head o_keepalive_item; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 42 | }; |
| 43 | |
Ilya Dryomov | 3f1af42 | 2016-02-09 17:50:15 +0100 | [diff] [blame] | 44 | #define CEPH_OSD_SLAB_OPS 2 |
| 45 | #define CEPH_OSD_MAX_OPS 16 |
Sage Weil | 1b83bef | 2013-02-25 16:11:12 -0800 | [diff] [blame] | 46 | |
Alex Elder | 2ac2b7a6 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 47 | enum ceph_osd_data_type { |
Alex Elder | ec9123c | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 48 | CEPH_OSD_DATA_TYPE_NONE = 0, |
Alex Elder | 2ac2b7a6 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 49 | CEPH_OSD_DATA_TYPE_PAGES, |
Alex Elder | 9a5e6d0 | 2013-03-08 13:35:36 -0600 | [diff] [blame] | 50 | CEPH_OSD_DATA_TYPE_PAGELIST, |
Alex Elder | 2ac2b7a6 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 51 | #ifdef CONFIG_BLOCK |
| 52 | CEPH_OSD_DATA_TYPE_BIO, |
| 53 | #endif /* CONFIG_BLOCK */ |
| 54 | }; |
| 55 | |
Alex Elder | 2794a82 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 56 | struct ceph_osd_data { |
Alex Elder | 2ac2b7a6 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 57 | enum ceph_osd_data_type type; |
| 58 | union { |
Alex Elder | 2794a82 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 59 | struct { |
| 60 | struct page **pages; |
Alex Elder | e0c5948 | 2013-03-07 15:38:25 -0600 | [diff] [blame] | 61 | u64 length; |
Alex Elder | 2794a82 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 62 | u32 alignment; |
| 63 | bool pages_from_pool; |
| 64 | bool own_pages; |
| 65 | }; |
Alex Elder | 9a5e6d0 | 2013-03-08 13:35:36 -0600 | [diff] [blame] | 66 | struct ceph_pagelist *pagelist; |
Alex Elder | 2794a82 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 67 | #ifdef CONFIG_BLOCK |
Alex Elder | fdce58c | 2013-03-14 14:09:06 -0500 | [diff] [blame] | 68 | struct { |
| 69 | struct bio *bio; /* list of bios */ |
| 70 | size_t bio_length; /* total in list */ |
| 71 | }; |
Alex Elder | 2794a82 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 72 | #endif /* CONFIG_BLOCK */ |
| 73 | }; |
| 74 | }; |
| 75 | |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 76 | struct ceph_osd_req_op { |
| 77 | u16 op; /* CEPH_OSD_OP_* */ |
Ilya Dryomov | 7b25bf5 | 2014-02-25 16:22:26 +0200 | [diff] [blame] | 78 | u32 flags; /* CEPH_OSD_OP_FLAG_* */ |
Ilya Dryomov | de2aa10 | 2016-02-08 13:39:46 +0100 | [diff] [blame] | 79 | u32 indata_len; /* request */ |
Yan, Zheng | 7665d85 | 2016-01-07 16:48:57 +0800 | [diff] [blame] | 80 | u32 outdata_len; /* reply */ |
| 81 | s32 rval; |
| 82 | |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 83 | union { |
Alex Elder | 4971977 | 2013-02-11 12:33:24 -0600 | [diff] [blame] | 84 | struct ceph_osd_data raw_data_in; |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 85 | struct { |
| 86 | u64 offset, length; |
| 87 | u64 truncate_size; |
| 88 | u32 truncate_seq; |
Alex Elder | 5476492 | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 89 | struct ceph_osd_data osd_data; |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 90 | } extent; |
| 91 | struct { |
Ilya Dryomov | d7d5a00 | 2014-12-19 14:00:41 +0300 | [diff] [blame] | 92 | u32 name_len; |
| 93 | u32 value_len; |
Yan, Zheng | d74b50b | 2014-11-12 14:00:43 +0800 | [diff] [blame] | 94 | __u8 cmp_op; /* CEPH_OSD_CMPXATTR_OP_* */ |
| 95 | __u8 cmp_mode; /* CEPH_OSD_CMPXATTR_MODE_* */ |
| 96 | struct ceph_osd_data osd_data; |
| 97 | } xattr; |
| 98 | struct { |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 99 | const char *class_name; |
| 100 | const char *method_name; |
Alex Elder | 5476492 | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 101 | struct ceph_osd_data request_info; |
Alex Elder | 04017e2 | 2013-04-05 14:46:02 -0500 | [diff] [blame] | 102 | struct ceph_osd_data request_data; |
Alex Elder | 5476492 | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 103 | struct ceph_osd_data response_data; |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 104 | __u8 class_len; |
| 105 | __u8 method_len; |
Ilya Dryomov | bb873b5 | 2016-05-26 00:29:52 +0200 | [diff] [blame] | 106 | u32 indata_len; |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 107 | } cls; |
| 108 | struct { |
| 109 | u64 cookie; |
| 110 | u64 ver; |
| 111 | u32 prot_ver; |
| 112 | u32 timeout; |
| 113 | __u8 flag; |
| 114 | } watch; |
Ilya Dryomov | c647b8a | 2014-02-25 16:22:27 +0200 | [diff] [blame] | 115 | struct { |
| 116 | u64 expected_object_size; |
| 117 | u64 expected_write_size; |
| 118 | } alloc_hint; |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 119 | }; |
| 120 | }; |
| 121 | |
Ilya Dryomov | 63244fa | 2016-04-28 16:07:23 +0200 | [diff] [blame] | 122 | struct ceph_osd_request_target { |
| 123 | struct ceph_object_id base_oid; |
| 124 | struct ceph_object_locator base_oloc; |
| 125 | struct ceph_object_id target_oid; |
| 126 | struct ceph_object_locator target_oloc; |
| 127 | |
| 128 | struct ceph_pg pgid; |
| 129 | u32 pg_num; |
| 130 | u32 pg_num_mask; |
| 131 | struct ceph_osds acting; |
| 132 | struct ceph_osds up; |
| 133 | int size; |
| 134 | int min_size; |
| 135 | bool sort_bitwise; |
| 136 | |
| 137 | unsigned int flags; /* CEPH_OSD_FLAG_* */ |
| 138 | bool paused; |
| 139 | |
| 140 | int osd; |
| 141 | }; |
| 142 | |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 143 | /* an in-flight request */ |
| 144 | struct ceph_osd_request { |
| 145 | u64 r_tid; /* unique for this client */ |
| 146 | struct rb_node r_node; |
Yehuda Sadeh | 422d2cb | 2010-02-26 15:32:31 -0800 | [diff] [blame] | 147 | struct list_head r_req_lru_item; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 148 | struct list_head r_osd_item; |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 149 | struct list_head r_linger_item; |
Ilya Dryomov | 1d0326b | 2014-06-20 14:14:41 +0400 | [diff] [blame] | 150 | struct list_head r_linger_osd_item; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 151 | struct ceph_osd *r_osd; |
Ilya Dryomov | a66dd38 | 2016-04-28 16:07:23 +0200 | [diff] [blame] | 152 | |
| 153 | struct ceph_osd_request_target r_t; |
| 154 | #define r_base_oid r_t.base_oid |
| 155 | #define r_base_oloc r_t.base_oloc |
| 156 | #define r_flags r_t.flags |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 157 | |
| 158 | struct ceph_msg *r_request, *r_reply; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 159 | u32 r_sent; /* >0 if r_request is sending/sent */ |
Sage Weil | 1b83bef | 2013-02-25 16:11:12 -0800 | [diff] [blame] | 160 | |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 161 | /* request osd ops array */ |
| 162 | unsigned int r_num_ops; |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 163 | |
Sage Weil | 1b83bef | 2013-02-25 16:11:12 -0800 | [diff] [blame] | 164 | int r_result; |
Ilya Dryomov | fe5da05 | 2016-04-28 16:07:24 +0200 | [diff] [blame] | 165 | bool r_got_reply; |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 166 | int r_linger; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 167 | |
| 168 | struct ceph_osd_client *r_osdc; |
Sage Weil | 415e49a | 2009-12-07 13:37:03 -0800 | [diff] [blame] | 169 | struct kref r_kref; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 170 | bool r_mempool; |
Ilya Dryomov | fe5da05 | 2016-04-28 16:07:24 +0200 | [diff] [blame] | 171 | struct completion r_completion; |
| 172 | struct completion r_safe_completion; /* fsync waiter */ |
Alex Elder | 26be880 | 2013-04-15 11:20:42 -0500 | [diff] [blame] | 173 | ceph_osdc_callback_t r_callback; |
| 174 | ceph_osdc_unsafe_callback_t r_unsafe_callback; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 175 | struct list_head r_unsafe_item; |
| 176 | |
| 177 | struct inode *r_inode; /* for use by callbacks */ |
Yehuda Sadeh | 3d14c5d | 2010-04-06 15:14:15 -0700 | [diff] [blame] | 178 | void *r_priv; /* ditto */ |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 179 | |
Ilya Dryomov | bb873b5 | 2016-05-26 00:29:52 +0200 | [diff] [blame] | 180 | /* set by submitter */ |
| 181 | u64 r_snapid; /* for reads, CEPH_NOSNAP o/w */ |
| 182 | struct ceph_snap_context *r_snapc; /* for writes */ |
| 183 | struct timespec r_mtime; /* ditto */ |
| 184 | u64 r_data_offset; /* ditto */ |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 185 | |
Ilya Dryomov | bb873b5 | 2016-05-26 00:29:52 +0200 | [diff] [blame] | 186 | /* internal */ |
| 187 | unsigned long r_stamp; /* jiffies, send or check time */ |
| 188 | int r_attempts; |
| 189 | struct ceph_eversion r_replay_version; /* aka reassert_version */ |
| 190 | u32 r_last_force_resend; |
Ilya Dryomov | 3f1af42 | 2016-02-09 17:50:15 +0100 | [diff] [blame] | 191 | |
| 192 | struct ceph_osd_req_op r_ops[]; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 193 | }; |
| 194 | |
Ilya Dryomov | 205ee118 | 2014-01-27 17:40:20 +0200 | [diff] [blame] | 195 | struct ceph_request_redirect { |
| 196 | struct ceph_object_locator oloc; |
| 197 | }; |
| 198 | |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 199 | struct ceph_osd_event { |
| 200 | u64 cookie; |
| 201 | int one_shot; |
| 202 | struct ceph_osd_client *osdc; |
| 203 | void (*cb)(u64, u64, u8, void *); |
| 204 | void *data; |
| 205 | struct rb_node node; |
| 206 | struct list_head osd_node; |
| 207 | struct kref kref; |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 208 | }; |
| 209 | |
| 210 | struct ceph_osd_event_work { |
| 211 | struct work_struct work; |
| 212 | struct ceph_osd_event *event; |
| 213 | u64 ver; |
| 214 | u64 notify_id; |
| 215 | u8 opcode; |
| 216 | }; |
| 217 | |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 218 | struct ceph_osd_client { |
| 219 | struct ceph_client *client; |
| 220 | |
| 221 | struct ceph_osdmap *osdmap; /* current map */ |
| 222 | struct rw_semaphore map_sem; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 223 | |
| 224 | struct mutex request_mutex; |
| 225 | struct rb_root osds; /* osds */ |
Yehuda Sadeh | f5a2041 | 2010-02-03 11:00:26 -0800 | [diff] [blame] | 226 | struct list_head osd_lru; /* idle osds */ |
Ilya Dryomov | 9dd2845 | 2016-04-28 16:07:26 +0200 | [diff] [blame^] | 227 | spinlock_t osd_lru_lock; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 228 | u64 last_tid; /* tid of last request */ |
| 229 | struct rb_root requests; /* pending requests */ |
Sage Weil | 6f6c700 | 2011-01-17 20:34:08 -0800 | [diff] [blame] | 230 | struct list_head req_lru; /* in-flight lru */ |
| 231 | struct list_head req_unsent; /* unsent/need-resend queue */ |
| 232 | struct list_head req_notarget; /* map to no osd */ |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 233 | struct list_head req_linger; /* lingering requests */ |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 234 | int num_requests; |
| 235 | struct delayed_work timeout_work; |
Yehuda Sadeh | f5a2041 | 2010-02-03 11:00:26 -0800 | [diff] [blame] | 236 | struct delayed_work osds_timeout_work; |
Sage Weil | 039934b | 2009-11-12 15:05:52 -0800 | [diff] [blame] | 237 | #ifdef CONFIG_DEBUG_FS |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 238 | struct dentry *debugfs_file; |
Sage Weil | 039934b | 2009-11-12 15:05:52 -0800 | [diff] [blame] | 239 | #endif |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 240 | |
| 241 | mempool_t *req_mempool; |
| 242 | |
Yehuda Sadeh | 0d59ab8 | 2010-01-13 17:03:23 -0800 | [diff] [blame] | 243 | struct ceph_msgpool msgpool_op; |
Sage Weil | c16e786 | 2010-03-01 13:02:00 -0800 | [diff] [blame] | 244 | struct ceph_msgpool msgpool_op_reply; |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 245 | |
| 246 | spinlock_t event_lock; |
| 247 | struct rb_root event_tree; |
| 248 | u64 event_count; |
| 249 | |
| 250 | struct workqueue_struct *notify_wq; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 251 | }; |
| 252 | |
Alex Elder | 5522ae0 | 2013-05-01 12:43:04 -0500 | [diff] [blame] | 253 | extern int ceph_osdc_setup(void); |
| 254 | extern void ceph_osdc_cleanup(void); |
| 255 | |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 256 | extern int ceph_osdc_init(struct ceph_osd_client *osdc, |
| 257 | struct ceph_client *client); |
| 258 | extern void ceph_osdc_stop(struct ceph_osd_client *osdc); |
| 259 | |
| 260 | extern void ceph_osdc_handle_reply(struct ceph_osd_client *osdc, |
| 261 | struct ceph_msg *msg); |
| 262 | extern void ceph_osdc_handle_map(struct ceph_osd_client *osdc, |
| 263 | struct ceph_msg *msg); |
| 264 | |
Alex Elder | 4971977 | 2013-02-11 12:33:24 -0600 | [diff] [blame] | 265 | extern void osd_req_op_init(struct ceph_osd_request *osd_req, |
Yan, Zheng | 144cba1 | 2015-04-27 11:09:54 +0800 | [diff] [blame] | 266 | unsigned int which, u16 opcode, u32 flags); |
Alex Elder | 4971977 | 2013-02-11 12:33:24 -0600 | [diff] [blame] | 267 | |
| 268 | extern void osd_req_op_raw_data_in_pages(struct ceph_osd_request *, |
| 269 | unsigned int which, |
| 270 | struct page **pages, u64 length, |
| 271 | u32 alignment, bool pages_from_pool, |
| 272 | bool own_pages); |
| 273 | |
Alex Elder | c99d2d4 | 2013-04-05 01:27:11 -0500 | [diff] [blame] | 274 | extern void osd_req_op_extent_init(struct ceph_osd_request *osd_req, |
| 275 | unsigned int which, u16 opcode, |
Alex Elder | 33803f3 | 2013-03-13 20:50:00 -0500 | [diff] [blame] | 276 | u64 offset, u64 length, |
| 277 | u64 truncate_size, u32 truncate_seq); |
Alex Elder | c99d2d4 | 2013-04-05 01:27:11 -0500 | [diff] [blame] | 278 | extern void osd_req_op_extent_update(struct ceph_osd_request *osd_req, |
| 279 | unsigned int which, u64 length); |
Yan, Zheng | 2c63f49 | 2016-01-07 17:32:54 +0800 | [diff] [blame] | 280 | extern void osd_req_op_extent_dup_last(struct ceph_osd_request *osd_req, |
| 281 | unsigned int which, u64 offset_inc); |
Alex Elder | a4ce40a | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 282 | |
| 283 | extern struct ceph_osd_data *osd_req_op_extent_osd_data( |
| 284 | struct ceph_osd_request *osd_req, |
Alex Elder | 406e2c9 | 2013-04-15 14:50:36 -0500 | [diff] [blame] | 285 | unsigned int which); |
Alex Elder | a4ce40a | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 286 | |
| 287 | 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] | 288 | unsigned int which, |
Alex Elder | a4ce40a | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 289 | struct page **pages, u64 length, |
| 290 | u32 alignment, bool pages_from_pool, |
| 291 | bool own_pages); |
| 292 | 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] | 293 | unsigned int which, |
Alex Elder | a4ce40a | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 294 | struct ceph_pagelist *pagelist); |
| 295 | #ifdef CONFIG_BLOCK |
| 296 | 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] | 297 | unsigned int which, |
Alex Elder | a4ce40a | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 298 | struct bio *bio, size_t bio_length); |
| 299 | #endif /* CONFIG_BLOCK */ |
| 300 | |
Alex Elder | 04017e2 | 2013-04-05 14:46:02 -0500 | [diff] [blame] | 301 | extern void osd_req_op_cls_request_data_pagelist(struct ceph_osd_request *, |
| 302 | unsigned int which, |
| 303 | struct ceph_pagelist *pagelist); |
Alex Elder | 6c57b55 | 2013-04-19 15:34:49 -0500 | [diff] [blame] | 304 | extern void osd_req_op_cls_request_data_pages(struct ceph_osd_request *, |
| 305 | unsigned int which, |
| 306 | struct page **pages, u64 length, |
| 307 | u32 alignment, bool pages_from_pool, |
| 308 | bool own_pages); |
Alex Elder | a4ce40a | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 309 | 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] | 310 | unsigned int which, |
Alex Elder | a4ce40a | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 311 | struct page **pages, u64 length, |
| 312 | u32 alignment, bool pages_from_pool, |
| 313 | bool own_pages); |
| 314 | |
Alex Elder | c99d2d4 | 2013-04-05 01:27:11 -0500 | [diff] [blame] | 315 | extern void osd_req_op_cls_init(struct ceph_osd_request *osd_req, |
| 316 | unsigned int which, u16 opcode, |
Alex Elder | 04017e2 | 2013-04-05 14:46:02 -0500 | [diff] [blame] | 317 | const char *class, const char *method); |
Yan, Zheng | d74b50b | 2014-11-12 14:00:43 +0800 | [diff] [blame] | 318 | extern int osd_req_op_xattr_init(struct ceph_osd_request *osd_req, unsigned int which, |
| 319 | u16 opcode, const char *name, const void *value, |
| 320 | size_t size, u8 cmp_op, u8 cmp_mode); |
Alex Elder | c99d2d4 | 2013-04-05 01:27:11 -0500 | [diff] [blame] | 321 | extern void osd_req_op_watch_init(struct ceph_osd_request *osd_req, |
| 322 | unsigned int which, u16 opcode, |
Alex Elder | 33803f3 | 2013-03-13 20:50:00 -0500 | [diff] [blame] | 323 | u64 cookie, u64 version, int flag); |
Ilya Dryomov | c647b8a | 2014-02-25 16:22:27 +0200 | [diff] [blame] | 324 | extern void osd_req_op_alloc_hint_init(struct ceph_osd_request *osd_req, |
| 325 | unsigned int which, |
| 326 | u64 expected_object_size, |
| 327 | u64 expected_write_size); |
Alex Elder | 33803f3 | 2013-03-13 20:50:00 -0500 | [diff] [blame] | 328 | |
Yehuda Sadeh | 3499e8a | 2010-04-06 14:51:47 -0700 | [diff] [blame] | 329 | 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] | 330 | struct ceph_snap_context *snapc, |
Alex Elder | acead00 | 2013-03-14 14:09:05 -0500 | [diff] [blame] | 331 | unsigned int num_ops, |
Yehuda Sadeh | 3499e8a | 2010-04-06 14:51:47 -0700 | [diff] [blame] | 332 | bool use_mempool, |
Alex Elder | 54a5400 | 2012-11-13 21:11:15 -0600 | [diff] [blame] | 333 | gfp_t gfp_flags); |
Ilya Dryomov | 13d1ad1 | 2016-04-27 14:15:51 +0200 | [diff] [blame] | 334 | 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] | 335 | |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 336 | extern struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *, |
| 337 | struct ceph_file_layout *layout, |
| 338 | struct ceph_vino vino, |
Alex Elder | acead00 | 2013-03-14 14:09:05 -0500 | [diff] [blame] | 339 | u64 offset, u64 *len, |
Yan, Zheng | 715e4cd | 2014-11-13 14:40:37 +0800 | [diff] [blame] | 340 | unsigned int which, int num_ops, |
| 341 | int opcode, int flags, |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 342 | struct ceph_snap_context *snapc, |
Alex Elder | acead00 | 2013-03-14 14:09:05 -0500 | [diff] [blame] | 343 | u32 truncate_seq, u64 truncate_size, |
Alex Elder | 153e516 | 2013-03-01 18:00:15 -0600 | [diff] [blame] | 344 | bool use_mempool); |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 345 | |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 346 | extern void ceph_osdc_set_request_linger(struct ceph_osd_client *osdc, |
| 347 | struct ceph_osd_request *req); |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 348 | |
Ilya Dryomov | 9e94af2 | 2014-06-20 14:14:42 +0400 | [diff] [blame] | 349 | extern void ceph_osdc_get_request(struct ceph_osd_request *req); |
| 350 | extern void ceph_osdc_put_request(struct ceph_osd_request *req); |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 351 | |
| 352 | extern int ceph_osdc_start_request(struct ceph_osd_client *osdc, |
| 353 | struct ceph_osd_request *req, |
| 354 | bool nofail); |
Ilya Dryomov | c9f9b93d | 2014-06-19 11:38:13 +0400 | [diff] [blame] | 355 | extern void ceph_osdc_cancel_request(struct ceph_osd_request *req); |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 356 | extern int ceph_osdc_wait_request(struct ceph_osd_client *osdc, |
| 357 | struct ceph_osd_request *req); |
| 358 | extern void ceph_osdc_sync(struct ceph_osd_client *osdc); |
| 359 | |
Josh Durgin | dd935f4 | 2013-08-28 21:43:09 -0700 | [diff] [blame] | 360 | extern void ceph_osdc_flush_notifies(struct ceph_osd_client *osdc); |
| 361 | |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 362 | extern int ceph_osdc_readpages(struct ceph_osd_client *osdc, |
| 363 | struct ceph_vino vino, |
| 364 | struct ceph_file_layout *layout, |
| 365 | u64 off, u64 *plen, |
| 366 | u32 truncate_seq, u64 truncate_size, |
Sage Weil | b7495fc | 2010-11-09 12:43:12 -0800 | [diff] [blame] | 367 | struct page **pages, int nr_pages, |
| 368 | int page_align); |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 369 | |
| 370 | extern int ceph_osdc_writepages(struct ceph_osd_client *osdc, |
| 371 | struct ceph_vino vino, |
| 372 | struct ceph_file_layout *layout, |
| 373 | struct ceph_snap_context *sc, |
| 374 | u64 off, u64 len, |
| 375 | u32 truncate_seq, u64 truncate_size, |
| 376 | struct timespec *mtime, |
Alex Elder | 2480882 | 2013-02-15 11:42:29 -0600 | [diff] [blame] | 377 | struct page **pages, int nr_pages); |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 378 | |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 379 | /* watch/notify events */ |
| 380 | extern int ceph_osdc_create_event(struct ceph_osd_client *osdc, |
| 381 | void (*event_cb)(u64, u64, u8, void *), |
Alex Elder | 3c663bb | 2013-02-15 11:42:30 -0600 | [diff] [blame] | 382 | void *data, struct ceph_osd_event **pevent); |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 383 | extern void ceph_osdc_cancel_event(struct ceph_osd_event *event); |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 384 | extern void ceph_osdc_put_event(struct ceph_osd_event *event); |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 385 | #endif |
| 386 | |