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; |
Sage Weil | 4e7a5dc | 2009-11-18 16:19:57 -0800 | [diff] [blame] | 19 | struct ceph_authorizer; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 20 | |
| 21 | /* |
| 22 | * completion callback for async writepages |
| 23 | */ |
| 24 | typedef void (*ceph_osdc_callback_t)(struct ceph_osd_request *, |
| 25 | struct ceph_msg *); |
Alex Elder | 26be880 | 2013-04-15 11:20:42 -0500 | [diff] [blame] | 26 | typedef void (*ceph_osdc_unsafe_callback_t)(struct ceph_osd_request *, bool); |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 27 | |
| 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 | int o_marked_for_keepalive; |
| 42 | struct list_head o_keepalive_item; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 43 | }; |
| 44 | |
Sage Weil | 1b83bef | 2013-02-25 16:11:12 -0800 | [diff] [blame] | 45 | |
Ilya Dryomov | 7cc69d4 | 2014-02-25 16:22:27 +0200 | [diff] [blame] | 46 | #define CEPH_OSD_MAX_OP 3 |
Sage Weil | 1b83bef | 2013-02-25 16:11:12 -0800 | [diff] [blame] | 47 | |
Alex Elder | 2ac2b7a6 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 48 | enum ceph_osd_data_type { |
Alex Elder | ec9123c | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 49 | CEPH_OSD_DATA_TYPE_NONE = 0, |
Alex Elder | 2ac2b7a6 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 50 | CEPH_OSD_DATA_TYPE_PAGES, |
Alex Elder | 9a5e6d0 | 2013-03-08 13:35:36 -0600 | [diff] [blame] | 51 | CEPH_OSD_DATA_TYPE_PAGELIST, |
Alex Elder | 2ac2b7a6 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 52 | #ifdef CONFIG_BLOCK |
| 53 | CEPH_OSD_DATA_TYPE_BIO, |
| 54 | #endif /* CONFIG_BLOCK */ |
| 55 | }; |
| 56 | |
Alex Elder | 2794a82 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 57 | struct ceph_osd_data { |
Alex Elder | 2ac2b7a6 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 58 | enum ceph_osd_data_type type; |
| 59 | union { |
Alex Elder | 2794a82 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 60 | struct { |
| 61 | struct page **pages; |
Alex Elder | e0c5948 | 2013-03-07 15:38:25 -0600 | [diff] [blame] | 62 | u64 length; |
Alex Elder | 2794a82 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 63 | u32 alignment; |
| 64 | bool pages_from_pool; |
| 65 | bool own_pages; |
| 66 | }; |
Alex Elder | 9a5e6d0 | 2013-03-08 13:35:36 -0600 | [diff] [blame] | 67 | struct ceph_pagelist *pagelist; |
Alex Elder | 2794a82 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 68 | #ifdef CONFIG_BLOCK |
Alex Elder | fdce58c | 2013-03-14 14:09:06 -0500 | [diff] [blame] | 69 | struct { |
| 70 | struct bio *bio; /* list of bios */ |
| 71 | size_t bio_length; /* total in list */ |
| 72 | }; |
Alex Elder | 2794a82 | 2013-02-14 12:16:43 -0600 | [diff] [blame] | 73 | #endif /* CONFIG_BLOCK */ |
| 74 | }; |
| 75 | }; |
| 76 | |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 77 | struct ceph_osd_req_op { |
| 78 | u16 op; /* CEPH_OSD_OP_* */ |
Ilya Dryomov | 7b25bf5 | 2014-02-25 16:22:26 +0200 | [diff] [blame] | 79 | u32 flags; /* CEPH_OSD_OP_FLAG_* */ |
Ilya Dryomov | de2aa10 | 2016-02-08 13:39:46 +0100 | [diff] [blame] | 80 | u32 indata_len; /* request */ |
Yan, Zheng | 7665d85 | 2016-01-07 16:48:57 +0800 | [diff] [blame^] | 81 | u32 outdata_len; /* reply */ |
| 82 | s32 rval; |
| 83 | |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 84 | union { |
Alex Elder | 4971977 | 2013-02-11 12:33:24 -0600 | [diff] [blame] | 85 | struct ceph_osd_data raw_data_in; |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 86 | struct { |
| 87 | u64 offset, length; |
| 88 | u64 truncate_size; |
| 89 | u32 truncate_seq; |
Alex Elder | 5476492 | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 90 | struct ceph_osd_data osd_data; |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 91 | } extent; |
| 92 | struct { |
Ilya Dryomov | d7d5a00 | 2014-12-19 14:00:41 +0300 | [diff] [blame] | 93 | u32 name_len; |
| 94 | u32 value_len; |
Yan, Zheng | d74b50b | 2014-11-12 14:00:43 +0800 | [diff] [blame] | 95 | __u8 cmp_op; /* CEPH_OSD_CMPXATTR_OP_* */ |
| 96 | __u8 cmp_mode; /* CEPH_OSD_CMPXATTR_MODE_* */ |
| 97 | struct ceph_osd_data osd_data; |
| 98 | } xattr; |
| 99 | struct { |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 100 | const char *class_name; |
| 101 | const char *method_name; |
Alex Elder | 5476492 | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 102 | struct ceph_osd_data request_info; |
Alex Elder | 04017e2 | 2013-04-05 14:46:02 -0500 | [diff] [blame] | 103 | struct ceph_osd_data request_data; |
Alex Elder | 5476492 | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 104 | struct ceph_osd_data response_data; |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 105 | __u8 class_len; |
| 106 | __u8 method_len; |
| 107 | __u8 argc; |
| 108 | } cls; |
| 109 | struct { |
| 110 | u64 cookie; |
| 111 | u64 ver; |
| 112 | u32 prot_ver; |
| 113 | u32 timeout; |
| 114 | __u8 flag; |
| 115 | } watch; |
Ilya Dryomov | c647b8a | 2014-02-25 16:22:27 +0200 | [diff] [blame] | 116 | struct { |
| 117 | u64 expected_object_size; |
| 118 | u64 expected_write_size; |
| 119 | } alloc_hint; |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 120 | }; |
| 121 | }; |
| 122 | |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 123 | /* an in-flight request */ |
| 124 | struct ceph_osd_request { |
| 125 | u64 r_tid; /* unique for this client */ |
| 126 | struct rb_node r_node; |
Yehuda Sadeh | 422d2cb | 2010-02-26 15:32:31 -0800 | [diff] [blame] | 127 | struct list_head r_req_lru_item; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 128 | struct list_head r_osd_item; |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 129 | struct list_head r_linger_item; |
Ilya Dryomov | 1d0326b | 2014-06-20 14:14:41 +0400 | [diff] [blame] | 130 | struct list_head r_linger_osd_item; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 131 | struct ceph_osd *r_osd; |
Sage Weil | 5b191d9 | 2013-02-23 10:38:16 -0800 | [diff] [blame] | 132 | struct ceph_pg r_pgid; |
Sage Weil | d85b705 | 2010-05-10 10:24:48 -0700 | [diff] [blame] | 133 | int r_pg_osds[CEPH_PG_MAX_SIZE]; |
| 134 | int r_num_pg_osds; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 135 | |
| 136 | struct ceph_msg *r_request, *r_reply; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 137 | int r_flags; /* any additional flags for the osd */ |
| 138 | u32 r_sent; /* >0 if r_request is sending/sent */ |
Sage Weil | 1b83bef | 2013-02-25 16:11:12 -0800 | [diff] [blame] | 139 | |
Alex Elder | 7952873 | 2013-04-03 21:32:51 -0500 | [diff] [blame] | 140 | /* request osd ops array */ |
| 141 | unsigned int r_num_ops; |
| 142 | struct ceph_osd_req_op r_ops[CEPH_OSD_MAX_OP]; |
| 143 | |
Sage Weil | 1b83bef | 2013-02-25 16:11:12 -0800 | [diff] [blame] | 144 | /* these are updated on each send */ |
| 145 | __le32 *r_request_osdmap_epoch; |
| 146 | __le32 *r_request_flags; |
| 147 | __le64 *r_request_pool; |
| 148 | void *r_request_pgid; |
| 149 | __le32 *r_request_attempts; |
Josh Durgin | d29adb3 | 2013-12-02 19:11:48 -0800 | [diff] [blame] | 150 | bool r_paused; |
Sage Weil | 1b83bef | 2013-02-25 16:11:12 -0800 | [diff] [blame] | 151 | struct ceph_eversion *r_request_reassert_version; |
| 152 | |
| 153 | int r_result; |
Sage Weil | 350b1c3 | 2009-12-22 10:45:45 -0800 | [diff] [blame] | 154 | int r_got_reply; |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 155 | int r_linger; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 156 | |
| 157 | struct ceph_osd_client *r_osdc; |
Sage Weil | 415e49a | 2009-12-07 13:37:03 -0800 | [diff] [blame] | 158 | struct kref r_kref; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 159 | bool r_mempool; |
| 160 | struct completion r_completion, r_safe_completion; |
Alex Elder | 26be880 | 2013-04-15 11:20:42 -0500 | [diff] [blame] | 161 | ceph_osdc_callback_t r_callback; |
| 162 | ceph_osdc_unsafe_callback_t r_unsafe_callback; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 163 | struct ceph_eversion r_reassert_version; |
| 164 | struct list_head r_unsafe_item; |
| 165 | |
| 166 | struct inode *r_inode; /* for use by callbacks */ |
Yehuda Sadeh | 3d14c5d | 2010-04-06 15:14:15 -0700 | [diff] [blame] | 167 | void *r_priv; /* ditto */ |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 168 | |
Ilya Dryomov | 3c972c9 | 2014-01-27 17:40:20 +0200 | [diff] [blame] | 169 | struct ceph_object_locator r_base_oloc; |
| 170 | struct ceph_object_id r_base_oid; |
Ilya Dryomov | 205ee118 | 2014-01-27 17:40:20 +0200 | [diff] [blame] | 171 | struct ceph_object_locator r_target_oloc; |
| 172 | struct ceph_object_id r_target_oid; |
Ilya Dryomov | 22116525 | 2014-01-27 17:40:18 +0200 | [diff] [blame] | 173 | |
Sage Weil | 2169aea | 2013-02-25 16:13:08 -0800 | [diff] [blame] | 174 | u64 r_snapid; |
Sage Weil | 3dd72fc | 2010-03-22 14:42:30 -0700 | [diff] [blame] | 175 | unsigned long r_stamp; /* send OR check time */ |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 176 | |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 177 | struct ceph_snap_context *r_snapc; /* snap context for writes */ |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 178 | }; |
| 179 | |
Ilya Dryomov | 205ee118 | 2014-01-27 17:40:20 +0200 | [diff] [blame] | 180 | struct ceph_request_redirect { |
| 181 | struct ceph_object_locator oloc; |
| 182 | }; |
| 183 | |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 184 | struct ceph_osd_event { |
| 185 | u64 cookie; |
| 186 | int one_shot; |
| 187 | struct ceph_osd_client *osdc; |
| 188 | void (*cb)(u64, u64, u8, void *); |
| 189 | void *data; |
| 190 | struct rb_node node; |
| 191 | struct list_head osd_node; |
| 192 | struct kref kref; |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 193 | }; |
| 194 | |
| 195 | struct ceph_osd_event_work { |
| 196 | struct work_struct work; |
| 197 | struct ceph_osd_event *event; |
| 198 | u64 ver; |
| 199 | u64 notify_id; |
| 200 | u8 opcode; |
| 201 | }; |
| 202 | |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 203 | struct ceph_osd_client { |
| 204 | struct ceph_client *client; |
| 205 | |
| 206 | struct ceph_osdmap *osdmap; /* current map */ |
| 207 | struct rw_semaphore map_sem; |
| 208 | struct completion map_waiters; |
| 209 | u64 last_requested_map; |
| 210 | |
| 211 | struct mutex request_mutex; |
| 212 | struct rb_root osds; /* osds */ |
Yehuda Sadeh | f5a2041 | 2010-02-03 11:00:26 -0800 | [diff] [blame] | 213 | struct list_head osd_lru; /* idle osds */ |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 214 | u64 timeout_tid; /* tid of timeout triggering rq */ |
| 215 | u64 last_tid; /* tid of last request */ |
| 216 | struct rb_root requests; /* pending requests */ |
Sage Weil | 6f6c700 | 2011-01-17 20:34:08 -0800 | [diff] [blame] | 217 | struct list_head req_lru; /* in-flight lru */ |
| 218 | struct list_head req_unsent; /* unsent/need-resend queue */ |
| 219 | struct list_head req_notarget; /* map to no osd */ |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 220 | struct list_head req_linger; /* lingering requests */ |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 221 | int num_requests; |
| 222 | struct delayed_work timeout_work; |
Yehuda Sadeh | f5a2041 | 2010-02-03 11:00:26 -0800 | [diff] [blame] | 223 | struct delayed_work osds_timeout_work; |
Sage Weil | 039934b | 2009-11-12 15:05:52 -0800 | [diff] [blame] | 224 | #ifdef CONFIG_DEBUG_FS |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 225 | struct dentry *debugfs_file; |
Sage Weil | 039934b | 2009-11-12 15:05:52 -0800 | [diff] [blame] | 226 | #endif |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 227 | |
| 228 | mempool_t *req_mempool; |
| 229 | |
Yehuda Sadeh | 0d59ab8 | 2010-01-13 17:03:23 -0800 | [diff] [blame] | 230 | struct ceph_msgpool msgpool_op; |
Sage Weil | c16e786 | 2010-03-01 13:02:00 -0800 | [diff] [blame] | 231 | struct ceph_msgpool msgpool_op_reply; |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 232 | |
| 233 | spinlock_t event_lock; |
| 234 | struct rb_root event_tree; |
| 235 | u64 event_count; |
| 236 | |
| 237 | struct workqueue_struct *notify_wq; |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 238 | }; |
| 239 | |
Alex Elder | 5522ae0 | 2013-05-01 12:43:04 -0500 | [diff] [blame] | 240 | extern int ceph_osdc_setup(void); |
| 241 | extern void ceph_osdc_cleanup(void); |
| 242 | |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 243 | extern int ceph_osdc_init(struct ceph_osd_client *osdc, |
| 244 | struct ceph_client *client); |
| 245 | extern void ceph_osdc_stop(struct ceph_osd_client *osdc); |
| 246 | |
| 247 | extern void ceph_osdc_handle_reply(struct ceph_osd_client *osdc, |
| 248 | struct ceph_msg *msg); |
| 249 | extern void ceph_osdc_handle_map(struct ceph_osd_client *osdc, |
| 250 | struct ceph_msg *msg); |
| 251 | |
Alex Elder | 4971977 | 2013-02-11 12:33:24 -0600 | [diff] [blame] | 252 | extern void osd_req_op_init(struct ceph_osd_request *osd_req, |
Yan, Zheng | 144cba1 | 2015-04-27 11:09:54 +0800 | [diff] [blame] | 253 | unsigned int which, u16 opcode, u32 flags); |
Alex Elder | 4971977 | 2013-02-11 12:33:24 -0600 | [diff] [blame] | 254 | |
| 255 | extern void osd_req_op_raw_data_in_pages(struct ceph_osd_request *, |
| 256 | unsigned int which, |
| 257 | struct page **pages, u64 length, |
| 258 | u32 alignment, bool pages_from_pool, |
| 259 | bool own_pages); |
| 260 | |
Alex Elder | c99d2d4 | 2013-04-05 01:27:11 -0500 | [diff] [blame] | 261 | extern void osd_req_op_extent_init(struct ceph_osd_request *osd_req, |
| 262 | unsigned int which, u16 opcode, |
Alex Elder | 33803f3 | 2013-03-13 20:50:00 -0500 | [diff] [blame] | 263 | u64 offset, u64 length, |
| 264 | u64 truncate_size, u32 truncate_seq); |
Alex Elder | c99d2d4 | 2013-04-05 01:27:11 -0500 | [diff] [blame] | 265 | extern void osd_req_op_extent_update(struct ceph_osd_request *osd_req, |
| 266 | unsigned int which, u64 length); |
Alex Elder | a4ce40a | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 267 | |
| 268 | extern struct ceph_osd_data *osd_req_op_extent_osd_data( |
| 269 | struct ceph_osd_request *osd_req, |
Alex Elder | 406e2c9 | 2013-04-15 14:50:36 -0500 | [diff] [blame] | 270 | unsigned int which); |
Alex Elder | a4ce40a | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 271 | extern struct ceph_osd_data *osd_req_op_cls_response_data( |
| 272 | struct ceph_osd_request *osd_req, |
| 273 | unsigned int which); |
| 274 | |
| 275 | 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] | 276 | unsigned int which, |
Alex Elder | a4ce40a | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 277 | struct page **pages, u64 length, |
| 278 | u32 alignment, bool pages_from_pool, |
| 279 | bool own_pages); |
| 280 | 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] | 281 | unsigned int which, |
Alex Elder | a4ce40a | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 282 | struct ceph_pagelist *pagelist); |
| 283 | #ifdef CONFIG_BLOCK |
| 284 | 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] | 285 | unsigned int which, |
Alex Elder | a4ce40a | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 286 | struct bio *bio, size_t bio_length); |
| 287 | #endif /* CONFIG_BLOCK */ |
| 288 | |
Alex Elder | 04017e2 | 2013-04-05 14:46:02 -0500 | [diff] [blame] | 289 | extern void osd_req_op_cls_request_data_pagelist(struct ceph_osd_request *, |
| 290 | unsigned int which, |
| 291 | struct ceph_pagelist *pagelist); |
Alex Elder | 6c57b55 | 2013-04-19 15:34:49 -0500 | [diff] [blame] | 292 | extern void osd_req_op_cls_request_data_pages(struct ceph_osd_request *, |
| 293 | unsigned int which, |
| 294 | struct page **pages, u64 length, |
| 295 | u32 alignment, bool pages_from_pool, |
| 296 | bool own_pages); |
Alex Elder | a4ce40a | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 297 | 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] | 298 | unsigned int which, |
Alex Elder | a4ce40a | 2013-04-05 01:27:12 -0500 | [diff] [blame] | 299 | struct page **pages, u64 length, |
| 300 | u32 alignment, bool pages_from_pool, |
| 301 | bool own_pages); |
| 302 | |
Alex Elder | c99d2d4 | 2013-04-05 01:27:11 -0500 | [diff] [blame] | 303 | extern void osd_req_op_cls_init(struct ceph_osd_request *osd_req, |
| 304 | unsigned int which, u16 opcode, |
Alex Elder | 04017e2 | 2013-04-05 14:46:02 -0500 | [diff] [blame] | 305 | const char *class, const char *method); |
Yan, Zheng | d74b50b | 2014-11-12 14:00:43 +0800 | [diff] [blame] | 306 | extern int osd_req_op_xattr_init(struct ceph_osd_request *osd_req, unsigned int which, |
| 307 | u16 opcode, const char *name, const void *value, |
| 308 | size_t size, u8 cmp_op, u8 cmp_mode); |
Alex Elder | c99d2d4 | 2013-04-05 01:27:11 -0500 | [diff] [blame] | 309 | extern void osd_req_op_watch_init(struct ceph_osd_request *osd_req, |
| 310 | unsigned int which, u16 opcode, |
Alex Elder | 33803f3 | 2013-03-13 20:50:00 -0500 | [diff] [blame] | 311 | u64 cookie, u64 version, int flag); |
Ilya Dryomov | c647b8a | 2014-02-25 16:22:27 +0200 | [diff] [blame] | 312 | extern void osd_req_op_alloc_hint_init(struct ceph_osd_request *osd_req, |
| 313 | unsigned int which, |
| 314 | u64 expected_object_size, |
| 315 | u64 expected_write_size); |
Alex Elder | 33803f3 | 2013-03-13 20:50:00 -0500 | [diff] [blame] | 316 | |
Yehuda Sadeh | 3499e8a | 2010-04-06 14:51:47 -0700 | [diff] [blame] | 317 | 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] | 318 | struct ceph_snap_context *snapc, |
Alex Elder | acead00 | 2013-03-14 14:09:05 -0500 | [diff] [blame] | 319 | unsigned int num_ops, |
Yehuda Sadeh | 3499e8a | 2010-04-06 14:51:47 -0700 | [diff] [blame] | 320 | bool use_mempool, |
Alex Elder | 54a5400 | 2012-11-13 21:11:15 -0600 | [diff] [blame] | 321 | gfp_t gfp_flags); |
Yehuda Sadeh | 3499e8a | 2010-04-06 14:51:47 -0700 | [diff] [blame] | 322 | |
Alex Elder | 175face | 2013-03-08 13:35:36 -0600 | [diff] [blame] | 323 | extern void ceph_osdc_build_request(struct ceph_osd_request *req, u64 off, |
Yehuda Sadeh | 68b4476 | 2010-04-06 15:01:27 -0700 | [diff] [blame] | 324 | struct ceph_snap_context *snapc, |
Alex Elder | 4d6b250 | 2012-11-13 21:11:15 -0600 | [diff] [blame] | 325 | u64 snap_id, |
Alex Elder | af77f26 | 2012-11-09 08:43:15 -0600 | [diff] [blame] | 326 | struct timespec *mtime); |
Yehuda Sadeh | 3499e8a | 2010-04-06 14:51:47 -0700 | [diff] [blame] | 327 | |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 328 | extern struct ceph_osd_request *ceph_osdc_new_request(struct ceph_osd_client *, |
| 329 | struct ceph_file_layout *layout, |
| 330 | struct ceph_vino vino, |
Alex Elder | acead00 | 2013-03-14 14:09:05 -0500 | [diff] [blame] | 331 | u64 offset, u64 *len, |
Yan, Zheng | 715e4cd | 2014-11-13 14:40:37 +0800 | [diff] [blame] | 332 | unsigned int which, int num_ops, |
| 333 | int opcode, int flags, |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 334 | struct ceph_snap_context *snapc, |
Alex Elder | acead00 | 2013-03-14 14:09:05 -0500 | [diff] [blame] | 335 | u32 truncate_seq, u64 truncate_size, |
Alex Elder | 153e516 | 2013-03-01 18:00:15 -0600 | [diff] [blame] | 336 | bool use_mempool); |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 337 | |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 338 | extern void ceph_osdc_set_request_linger(struct ceph_osd_client *osdc, |
| 339 | struct ceph_osd_request *req); |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 340 | |
Ilya Dryomov | 9e94af2 | 2014-06-20 14:14:42 +0400 | [diff] [blame] | 341 | extern void ceph_osdc_get_request(struct ceph_osd_request *req); |
| 342 | extern void ceph_osdc_put_request(struct ceph_osd_request *req); |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 343 | |
| 344 | extern int ceph_osdc_start_request(struct ceph_osd_client *osdc, |
| 345 | struct ceph_osd_request *req, |
| 346 | bool nofail); |
Ilya Dryomov | c9f9b93d | 2014-06-19 11:38:13 +0400 | [diff] [blame] | 347 | extern void ceph_osdc_cancel_request(struct ceph_osd_request *req); |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 348 | extern int ceph_osdc_wait_request(struct ceph_osd_client *osdc, |
| 349 | struct ceph_osd_request *req); |
| 350 | extern void ceph_osdc_sync(struct ceph_osd_client *osdc); |
| 351 | |
Josh Durgin | dd935f4 | 2013-08-28 21:43:09 -0700 | [diff] [blame] | 352 | extern void ceph_osdc_flush_notifies(struct ceph_osd_client *osdc); |
| 353 | |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 354 | extern int ceph_osdc_readpages(struct ceph_osd_client *osdc, |
| 355 | struct ceph_vino vino, |
| 356 | struct ceph_file_layout *layout, |
| 357 | u64 off, u64 *plen, |
| 358 | u32 truncate_seq, u64 truncate_size, |
Sage Weil | b7495fc | 2010-11-09 12:43:12 -0800 | [diff] [blame] | 359 | struct page **pages, int nr_pages, |
| 360 | int page_align); |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 361 | |
| 362 | extern int ceph_osdc_writepages(struct ceph_osd_client *osdc, |
| 363 | struct ceph_vino vino, |
| 364 | struct ceph_file_layout *layout, |
| 365 | struct ceph_snap_context *sc, |
| 366 | u64 off, u64 len, |
| 367 | u32 truncate_seq, u64 truncate_size, |
| 368 | struct timespec *mtime, |
Alex Elder | 2480882 | 2013-02-15 11:42:29 -0600 | [diff] [blame] | 369 | struct page **pages, int nr_pages); |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 370 | |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 371 | /* watch/notify events */ |
| 372 | extern int ceph_osdc_create_event(struct ceph_osd_client *osdc, |
| 373 | void (*event_cb)(u64, u64, u8, void *), |
Alex Elder | 3c663bb | 2013-02-15 11:42:30 -0600 | [diff] [blame] | 374 | void *data, struct ceph_osd_event **pevent); |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 375 | extern void ceph_osdc_cancel_event(struct ceph_osd_event *event); |
Yehuda Sadeh | a40c4f1 | 2011-03-21 15:07:16 -0700 | [diff] [blame] | 376 | extern void ceph_osdc_put_event(struct ceph_osd_event *event); |
Sage Weil | f24e998 | 2009-10-06 11:31:10 -0700 | [diff] [blame] | 377 | #endif |
| 378 | |