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7c673cae FG |
1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | /* | |
4 | * Ceph - scalable distributed file system | |
5 | * | |
6 | * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net> | |
7 | * | |
8 | * This is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License version 2.1, as published by the Free Software | |
11 | * Foundation. See file COPYING. | |
12 | * | |
13 | */ | |
14 | ||
15 | ||
16 | #ifndef CEPH_CLIENT_H | |
17 | #define CEPH_CLIENT_H | |
18 | ||
11fdf7f2 TL |
19 | #include "common/CommandTable.h" |
20 | #include "common/Finisher.h" | |
11fdf7f2 | 21 | #include "common/Timer.h" |
9f95a23c | 22 | #include "common/ceph_mutex.h" |
11fdf7f2 TL |
23 | #include "common/cmdparse.h" |
24 | #include "common/compiler_extensions.h" | |
9f95a23c | 25 | #include "include/common_fwd.h" |
e306af50 | 26 | #include "include/cephfs/ceph_ll_client.h" |
7c673cae FG |
27 | #include "include/filepath.h" |
28 | #include "include/interval_set.h" | |
29 | #include "include/lru.h" | |
11fdf7f2 TL |
30 | #include "include/types.h" |
31 | #include "include/unordered_map.h" | |
32 | #include "include/unordered_set.h" | |
f67539c2 | 33 | #include "include/cephfs/metrics/Types.h" |
7c673cae FG |
34 | #include "mds/mdstypes.h" |
35 | #include "msg/Dispatcher.h" | |
11fdf7f2 | 36 | #include "msg/MessageRef.h" |
7c673cae | 37 | #include "msg/Messenger.h" |
7c673cae FG |
38 | #include "osdc/ObjectCacher.h" |
39 | ||
f67539c2 | 40 | #include "RWRef.h" |
7c673cae | 41 | #include "InodeRef.h" |
11fdf7f2 | 42 | #include "MetaSession.h" |
7c673cae | 43 | #include "UserPerm.h" |
11fdf7f2 TL |
44 | |
45 | #include <fstream> | |
46 | #include <map> | |
47 | #include <memory> | |
48 | #include <set> | |
49 | #include <string> | |
f67539c2 | 50 | #include <thread> |
11fdf7f2 TL |
51 | |
52 | using std::set; | |
53 | using std::map; | |
54 | using std::fstream; | |
7c673cae FG |
55 | |
56 | class FSMap; | |
57 | class FSMapUser; | |
58 | class MonClient; | |
59 | ||
7c673cae FG |
60 | |
61 | struct DirStat; | |
62 | struct LeaseStat; | |
63 | struct InodeStat; | |
64 | ||
65 | class Filer; | |
66 | class Objecter; | |
67 | class WritebackHandler; | |
68 | ||
7c673cae FG |
69 | class MDSMap; |
70 | class Message; | |
f67539c2 | 71 | class destructive_lock_ref_t; |
7c673cae FG |
72 | |
73 | enum { | |
74 | l_c_first = 20000, | |
75 | l_c_reply, | |
76 | l_c_lat, | |
77 | l_c_wrlat, | |
11fdf7f2 TL |
78 | l_c_read, |
79 | l_c_fsync, | |
2a845540 TL |
80 | l_c_md_avg, |
81 | l_c_md_sqsum, | |
82 | l_c_md_ops, | |
83 | l_c_rd_avg, | |
84 | l_c_rd_sqsum, | |
85 | l_c_rd_ops, | |
86 | l_c_wr_avg, | |
87 | l_c_wr_sqsum, | |
88 | l_c_wr_ops, | |
7c673cae FG |
89 | l_c_last, |
90 | }; | |
91 | ||
92 | ||
93 | class MDSCommandOp : public CommandOp | |
94 | { | |
95 | public: | |
96 | mds_gid_t mds_gid; | |
97 | ||
11fdf7f2 | 98 | explicit MDSCommandOp(ceph_tid_t t) : CommandOp(t) {} |
7c673cae FG |
99 | }; |
100 | ||
101 | /* error code for ceph_fuse */ | |
28e407b8 AA |
102 | #define CEPH_FUSE_NO_MDS_UP -((1<<16)+0) /* no mds up deteced in ceph_fuse */ |
103 | #define CEPH_FUSE_LAST -((1<<16)+1) /* (unused) */ | |
7c673cae FG |
104 | |
105 | // ============================================ | |
106 | // types for my local metadata cache | |
107 | /* basic structure: | |
108 | ||
109 | - Dentries live in an LRU loop. they get expired based on last access. | |
110 | see include/lru.h. items can be bumped to "mid" or "top" of list, etc. | |
111 | - Inode has ref count for each Fh, Dir, or Dentry that points to it. | |
112 | - when Inode ref goes to 0, it's expired. | |
113 | - when Dir is empty, it's removed (and it's Inode ref--) | |
114 | ||
115 | */ | |
116 | ||
117 | /* getdir result */ | |
118 | struct DirEntry { | |
20effc67 TL |
119 | explicit DirEntry(const std::string &s) : d_name(s), stmask(0) {} |
120 | DirEntry(const std::string &n, struct stat& s, int stm) | |
121 | : d_name(n), st(s), stmask(stm) {} | |
11fdf7f2 | 122 | |
20effc67 | 123 | std::string d_name; |
7c673cae FG |
124 | struct stat st; |
125 | int stmask; | |
7c673cae FG |
126 | }; |
127 | ||
128 | struct Cap; | |
129 | class Dir; | |
130 | class Dentry; | |
131 | struct SnapRealm; | |
132 | struct Fh; | |
133 | struct CapSnap; | |
134 | ||
7c673cae FG |
135 | struct MetaRequest; |
136 | class ceph_lock_state_t; | |
137 | ||
7c673cae FG |
138 | // ======================================================== |
139 | // client interface | |
140 | ||
141 | struct dir_result_t { | |
142 | static const int SHIFT = 28; | |
143 | static const int64_t MASK = (1 << SHIFT) - 1; | |
144 | static const int64_t HASH = 0xFFULL << (SHIFT + 24); // impossible frag bits | |
145 | static const loff_t END = 1ULL << (SHIFT + 32); | |
146 | ||
11fdf7f2 TL |
147 | struct dentry { |
148 | int64_t offset; | |
f67539c2 TL |
149 | std::string name; |
150 | std::string alternate_name; | |
11fdf7f2 TL |
151 | InodeRef inode; |
152 | explicit dentry(int64_t o) : offset(o) {} | |
f67539c2 TL |
153 | dentry(int64_t o, std::string n, std::string an, InodeRef in) : |
154 | offset(o), name(std::move(n)), alternate_name(std::move(an)), inode(std::move(in)) {} | |
11fdf7f2 TL |
155 | }; |
156 | struct dentry_off_lt { | |
157 | bool operator()(const dentry& d, int64_t off) const { | |
158 | return dir_result_t::fpos_cmp(d.offset, off) < 0; | |
159 | } | |
160 | }; | |
161 | ||
162 | ||
163 | explicit dir_result_t(Inode *in, const UserPerm& perms); | |
164 | ||
165 | ||
7c673cae FG |
166 | static uint64_t make_fpos(unsigned h, unsigned l, bool hash) { |
167 | uint64_t v = ((uint64_t)h<< SHIFT) | (uint64_t)l; | |
168 | if (hash) | |
169 | v |= HASH; | |
170 | else | |
11fdf7f2 | 171 | ceph_assert((v & HASH) != HASH); |
7c673cae FG |
172 | return v; |
173 | } | |
174 | static unsigned fpos_high(uint64_t p) { | |
175 | unsigned v = (p & (END-1)) >> SHIFT; | |
176 | if ((p & HASH) == HASH) | |
177 | return ceph_frag_value(v); | |
178 | return v; | |
179 | } | |
180 | static unsigned fpos_low(uint64_t p) { | |
181 | return p & MASK; | |
182 | } | |
183 | static int fpos_cmp(uint64_t l, uint64_t r) { | |
184 | int c = ceph_frag_compare(fpos_high(l), fpos_high(r)); | |
185 | if (c) | |
186 | return c; | |
187 | if (fpos_low(l) == fpos_low(r)) | |
188 | return 0; | |
189 | return fpos_low(l) < fpos_low(r) ? -1 : 1; | |
190 | } | |
191 | ||
7c673cae FG |
192 | unsigned offset_high() { return fpos_high(offset); } |
193 | unsigned offset_low() { return fpos_low(offset); } | |
194 | ||
195 | void set_end() { offset |= END; } | |
196 | bool at_end() { return (offset & END); } | |
197 | ||
198 | void set_hash_order() { offset |= HASH; } | |
199 | bool hash_order() { return (offset & HASH) == HASH; } | |
200 | ||
201 | bool is_cached() { | |
202 | if (buffer.empty()) | |
203 | return false; | |
204 | if (hash_order()) { | |
205 | return buffer_frag.contains(offset_high()); | |
206 | } else { | |
207 | return buffer_frag == frag_t(offset_high()); | |
208 | } | |
209 | } | |
210 | ||
211 | void reset() { | |
212 | last_name.clear(); | |
213 | next_offset = 2; | |
214 | offset = 0; | |
215 | ordered_count = 0; | |
216 | cache_index = 0; | |
217 | buffer.clear(); | |
218 | } | |
11fdf7f2 TL |
219 | |
220 | InodeRef inode; | |
221 | int64_t offset; // hash order: | |
222 | // (0xff << 52) | ((24 bits hash) << 28) | | |
223 | // (the nth entry has hash collision); | |
224 | // frag+name order; | |
225 | // ((frag value) << 28) | (the nth entry in frag); | |
226 | ||
227 | unsigned next_offset; // offset of next chunk (last_name's + 1) | |
20effc67 | 228 | std::string last_name; // last entry in previous chunk |
11fdf7f2 TL |
229 | |
230 | uint64_t release_count; | |
231 | uint64_t ordered_count; | |
232 | unsigned cache_index; | |
233 | int start_shared_gen; // dir shared_gen at start of readdir | |
234 | UserPerm perms; | |
235 | ||
236 | frag_t buffer_frag; | |
237 | ||
20effc67 | 238 | std::vector<dentry> buffer; |
f91f0fd5 | 239 | struct dirent de; |
7c673cae FG |
240 | }; |
241 | ||
242 | class Client : public Dispatcher, public md_config_obs_t { | |
11fdf7f2 TL |
243 | public: |
244 | friend class C_Block_Sync; // Calls block map and protected helpers | |
245 | friend class C_Client_CacheInvalidate; // calls ino_invalidate_cb | |
246 | friend class C_Client_DentryInvalidate; // calls dentry_invalidate_cb | |
247 | friend class C_Client_FlushComplete; // calls put_inode() | |
248 | friend class C_Client_Remount; | |
249 | friend class C_Client_RequestInterrupt; | |
250 | friend class C_Deleg_Timeout; // Asserts on client_lock, called when a delegation is unreturned | |
e306af50 | 251 | friend class C_Client_CacheRelease; // Asserts on client_lock |
11fdf7f2 TL |
252 | friend class SyntheticClient; |
253 | friend void intrusive_ptr_release(Inode *in); | |
f67539c2 TL |
254 | template <typename T> friend struct RWRefState; |
255 | template <typename T> friend class RWRef; | |
11fdf7f2 | 256 | |
7c673cae | 257 | using Dispatcher::cct; |
f67539c2 | 258 | using clock = ceph::coarse_mono_clock; |
7c673cae | 259 | |
11fdf7f2 | 260 | typedef int (*add_dirent_cb_t)(void *p, struct dirent *de, struct ceph_statx *stx, off_t off, Inode *in); |
7c673cae | 261 | |
f67539c2 TL |
262 | struct walk_dentry_result { |
263 | InodeRef in; | |
264 | std::string alternate_name; | |
265 | }; | |
266 | ||
7c673cae | 267 | class CommandHook : public AdminSocketHook { |
7c673cae FG |
268 | public: |
269 | explicit CommandHook(Client *client); | |
9f95a23c TL |
270 | int call(std::string_view command, const cmdmap_t& cmdmap, |
271 | Formatter *f, | |
272 | std::ostream& errss, | |
273 | bufferlist& out) override; | |
11fdf7f2 TL |
274 | private: |
275 | Client *m_client; | |
7c673cae | 276 | }; |
7c673cae | 277 | |
f67539c2 TL |
278 | // snapshot info returned via get_snap_info(). nothing to do |
279 | // with SnapInfo on the MDS. | |
280 | struct SnapInfo { | |
281 | snapid_t id; | |
282 | std::map<std::string, std::string> metadata; | |
283 | }; | |
284 | ||
11fdf7f2 TL |
285 | Client(Messenger *m, MonClient *mc, Objecter *objecter_); |
286 | Client(const Client&) = delete; | |
287 | Client(const Client&&) = delete; | |
288 | virtual ~Client() override; | |
7c673cae | 289 | |
11fdf7f2 TL |
290 | static UserPerm pick_my_perms(CephContext *c) { |
291 | uid_t uid = c->_conf->client_mount_uid >= 0 ? c->_conf->client_mount_uid : -1; | |
292 | gid_t gid = c->_conf->client_mount_gid >= 0 ? c->_conf->client_mount_gid : -1; | |
293 | return UserPerm(uid, gid); | |
294 | } | |
7c673cae FG |
295 | UserPerm pick_my_perms() { |
296 | uid_t uid = user_id >= 0 ? user_id : -1; | |
297 | gid_t gid = group_id >= 0 ? group_id : -1; | |
298 | return UserPerm(uid, gid); | |
299 | } | |
300 | ||
11fdf7f2 TL |
301 | int mount(const std::string &mount_root, const UserPerm& perms, |
302 | bool require_mds=false, const std::string &fs_name=""); | |
303 | void unmount(); | |
f67539c2 TL |
304 | bool is_unmounting() const { |
305 | return mount_state.check_current_state(CLIENT_UNMOUNTING); | |
306 | } | |
307 | bool is_mounted() const { | |
308 | return mount_state.check_current_state(CLIENT_MOUNTED); | |
309 | } | |
310 | bool is_mounting() const { | |
311 | return mount_state.check_current_state(CLIENT_MOUNTING); | |
312 | } | |
313 | bool is_initialized() const { | |
314 | return initialize_state.check_current_state(CLIENT_INITIALIZED); | |
315 | } | |
11fdf7f2 | 316 | void abort_conn(); |
7c673cae | 317 | |
11fdf7f2 TL |
318 | void set_uuid(const std::string& uuid); |
319 | void set_session_timeout(unsigned timeout); | |
320 | int start_reclaim(const std::string& uuid, unsigned flags, | |
321 | const std::string& fs_name); | |
322 | void finish_reclaim(); | |
7c673cae | 323 | |
11fdf7f2 TL |
324 | fs_cluster_id_t get_fs_cid() { |
325 | return fscid; | |
326 | } | |
7c673cae | 327 | |
11fdf7f2 TL |
328 | int mds_command( |
329 | const std::string &mds_spec, | |
330 | const std::vector<std::string>& cmd, | |
331 | const bufferlist& inbl, | |
332 | bufferlist *poutbl, std::string *prs, Context *onfinish); | |
7c673cae | 333 | |
11fdf7f2 TL |
334 | // these should (more or less) mirror the actual system calls. |
335 | int statfs(const char *path, struct statvfs *stbuf, const UserPerm& perms); | |
7c673cae | 336 | |
11fdf7f2 TL |
337 | // crap |
338 | int chdir(const char *s, std::string &new_cwd, const UserPerm& perms); | |
339 | void _getcwd(std::string& cwd, const UserPerm& perms); | |
340 | void getcwd(std::string& cwd, const UserPerm& perms); | |
7c673cae | 341 | |
11fdf7f2 TL |
342 | // namespace ops |
343 | int opendir(const char *name, dir_result_t **dirpp, const UserPerm& perms); | |
b3b6e05e | 344 | int fdopendir(int dirfd, dir_result_t **dirpp, const UserPerm& perms); |
11fdf7f2 | 345 | int closedir(dir_result_t *dirp); |
7c673cae | 346 | |
11fdf7f2 TL |
347 | /** |
348 | * Fill a directory listing from dirp, invoking cb for each entry | |
349 | * with the given pointer, the dirent, the struct stat, the stmask, | |
350 | * and the offset. | |
351 | * | |
352 | * Returns 0 if it reached the end of the directory. | |
353 | * If @a cb returns a negative error code, stop and return that. | |
354 | */ | |
355 | int readdir_r_cb(dir_result_t *dirp, add_dirent_cb_t cb, void *p, | |
2a845540 | 356 | unsigned want=0, unsigned flags=AT_STATX_DONT_SYNC, |
11fdf7f2 | 357 | bool getref=false); |
7c673cae | 358 | |
11fdf7f2 TL |
359 | struct dirent * readdir(dir_result_t *d); |
360 | int readdir_r(dir_result_t *dirp, struct dirent *de); | |
361 | int readdirplus_r(dir_result_t *dirp, struct dirent *de, struct ceph_statx *stx, unsigned want, unsigned flags, Inode **out); | |
7c673cae | 362 | |
20effc67 | 363 | int getdir(const char *relpath, std::list<std::string>& names, |
11fdf7f2 | 364 | const UserPerm& perms); // get the whole dir at once. |
7c673cae | 365 | |
11fdf7f2 TL |
366 | /** |
367 | * Returns the length of the buffer that got filled in, or -errno. | |
f67539c2 | 368 | * If it returns -CEPHFS_ERANGE you just need to increase the size of the |
11fdf7f2 TL |
369 | * buffer and try again. |
370 | */ | |
371 | int _getdents(dir_result_t *dirp, char *buf, int buflen, bool ful); // get a bunch of dentries at once | |
372 | int getdents(dir_result_t *dirp, char *buf, int buflen) { | |
373 | return _getdents(dirp, buf, buflen, true); | |
374 | } | |
375 | int getdnames(dir_result_t *dirp, char *buf, int buflen) { | |
376 | return _getdents(dirp, buf, buflen, false); | |
377 | } | |
7c673cae | 378 | |
11fdf7f2 TL |
379 | void rewinddir(dir_result_t *dirp); |
380 | loff_t telldir(dir_result_t *dirp); | |
381 | void seekdir(dir_result_t *dirp, loff_t offset); | |
7c673cae | 382 | |
f67539c2 TL |
383 | int may_delete(const char *relpath, const UserPerm& perms); |
384 | int link(const char *existing, const char *newname, const UserPerm& perm, std::string alternate_name=""); | |
11fdf7f2 | 385 | int unlink(const char *path, const UserPerm& perm); |
b3b6e05e | 386 | int unlinkat(int dirfd, const char *relpath, int flags, const UserPerm& perm); |
f67539c2 | 387 | int rename(const char *from, const char *to, const UserPerm& perm, std::string alternate_name=""); |
11fdf7f2 TL |
388 | |
389 | // dirs | |
f67539c2 | 390 | int mkdir(const char *path, mode_t mode, const UserPerm& perm, std::string alternate_name=""); |
b3b6e05e TL |
391 | int mkdirat(int dirfd, const char *relpath, mode_t mode, const UserPerm& perm, |
392 | std::string alternate_name=""); | |
11fdf7f2 TL |
393 | int mkdirs(const char *path, mode_t mode, const UserPerm& perms); |
394 | int rmdir(const char *path, const UserPerm& perms); | |
395 | ||
396 | // symlinks | |
397 | int readlink(const char *path, char *buf, loff_t size, const UserPerm& perms); | |
b3b6e05e | 398 | int readlinkat(int dirfd, const char *relpath, char *buf, loff_t size, const UserPerm& perms); |
11fdf7f2 | 399 | |
f67539c2 | 400 | int symlink(const char *existing, const char *newname, const UserPerm& perms, std::string alternate_name=""); |
b3b6e05e TL |
401 | int symlinkat(const char *target, int dirfd, const char *relpath, const UserPerm& perms, |
402 | std::string alternate_name=""); | |
f67539c2 TL |
403 | |
404 | // path traversal for high-level interface | |
405 | int walk(std::string_view path, struct walk_dentry_result* result, const UserPerm& perms, bool followsym=true); | |
11fdf7f2 TL |
406 | |
407 | // inode stuff | |
408 | unsigned statx_to_mask(unsigned int flags, unsigned int want); | |
409 | int stat(const char *path, struct stat *stbuf, const UserPerm& perms, | |
410 | frag_info_t *dirstat=0, int mask=CEPH_STAT_CAP_INODE_ALL); | |
411 | int statx(const char *path, struct ceph_statx *stx, | |
412 | const UserPerm& perms, | |
413 | unsigned int want, unsigned int flags); | |
414 | int lstat(const char *path, struct stat *stbuf, const UserPerm& perms, | |
415 | frag_info_t *dirstat=0, int mask=CEPH_STAT_CAP_INODE_ALL); | |
416 | ||
417 | int setattr(const char *relpath, struct stat *attr, int mask, | |
418 | const UserPerm& perms); | |
419 | int setattrx(const char *relpath, struct ceph_statx *stx, int mask, | |
420 | const UserPerm& perms, int flags=0); | |
421 | int fsetattr(int fd, struct stat *attr, int mask, const UserPerm& perms); | |
422 | int fsetattrx(int fd, struct ceph_statx *stx, int mask, const UserPerm& perms); | |
423 | int chmod(const char *path, mode_t mode, const UserPerm& perms); | |
424 | int fchmod(int fd, mode_t mode, const UserPerm& perms); | |
b3b6e05e | 425 | int chmodat(int dirfd, const char *relpath, mode_t mode, int flags, const UserPerm& perms); |
11fdf7f2 TL |
426 | int lchmod(const char *path, mode_t mode, const UserPerm& perms); |
427 | int chown(const char *path, uid_t new_uid, gid_t new_gid, | |
428 | const UserPerm& perms); | |
429 | int fchown(int fd, uid_t new_uid, gid_t new_gid, const UserPerm& perms); | |
430 | int lchown(const char *path, uid_t new_uid, gid_t new_gid, | |
431 | const UserPerm& perms); | |
b3b6e05e TL |
432 | int chownat(int dirfd, const char *relpath, uid_t new_uid, gid_t new_gid, |
433 | int flags, const UserPerm& perms); | |
11fdf7f2 TL |
434 | int utime(const char *path, struct utimbuf *buf, const UserPerm& perms); |
435 | int lutime(const char *path, struct utimbuf *buf, const UserPerm& perms); | |
436 | int futime(int fd, struct utimbuf *buf, const UserPerm& perms); | |
437 | int utimes(const char *relpath, struct timeval times[2], const UserPerm& perms); | |
438 | int lutimes(const char *relpath, struct timeval times[2], const UserPerm& perms); | |
439 | int futimes(int fd, struct timeval times[2], const UserPerm& perms); | |
440 | int futimens(int fd, struct timespec times[2], const UserPerm& perms); | |
b3b6e05e TL |
441 | int utimensat(int dirfd, const char *relpath, struct timespec times[2], int flags, |
442 | const UserPerm& perms); | |
11fdf7f2 TL |
443 | int flock(int fd, int operation, uint64_t owner); |
444 | int truncate(const char *path, loff_t size, const UserPerm& perms); | |
445 | ||
446 | // file ops | |
447 | int mknod(const char *path, mode_t mode, const UserPerm& perms, dev_t rdev=0); | |
b3b6e05e | 448 | |
20effc67 TL |
449 | int create_and_open(int dirfd, const char *relpath, int flags, const UserPerm& perms, |
450 | mode_t mode, int stripe_unit, int stripe_count, int object_size, | |
451 | const char *data_pool, std::string alternate_name); | |
f67539c2 TL |
452 | int open(const char *path, int flags, const UserPerm& perms, mode_t mode=0, std::string alternate_name="") { |
453 | return open(path, flags, perms, mode, 0, 0, 0, NULL, alternate_name); | |
454 | } | |
11fdf7f2 TL |
455 | int open(const char *path, int flags, const UserPerm& perms, |
456 | mode_t mode, int stripe_unit, int stripe_count, int object_size, | |
f67539c2 | 457 | const char *data_pool, std::string alternate_name=""); |
b3b6e05e TL |
458 | int openat(int dirfd, const char *relpath, int flags, const UserPerm& perms, |
459 | mode_t mode, int stripe_unit, int stripe_count, | |
460 | int object_size, const char *data_pool, std::string alternate_name); | |
461 | int openat(int dirfd, const char *path, int flags, const UserPerm& perms, mode_t mode=0, | |
462 | std::string alternate_name="") { | |
463 | return openat(dirfd, path, flags, perms, mode, 0, 0, 0, NULL, alternate_name); | |
464 | } | |
465 | ||
11fdf7f2 TL |
466 | int lookup_hash(inodeno_t ino, inodeno_t dirino, const char *name, |
467 | const UserPerm& perms); | |
468 | int lookup_ino(inodeno_t ino, const UserPerm& perms, Inode **inode=NULL); | |
11fdf7f2 | 469 | int lookup_name(Inode *in, Inode *parent, const UserPerm& perms); |
b3b6e05e | 470 | int _close(int fd); |
11fdf7f2 TL |
471 | int close(int fd); |
472 | loff_t lseek(int fd, loff_t offset, int whence); | |
473 | int read(int fd, char *buf, loff_t size, loff_t offset=-1); | |
474 | int preadv(int fd, const struct iovec *iov, int iovcnt, loff_t offset=-1); | |
475 | int write(int fd, const char *buf, loff_t size, loff_t offset=-1); | |
476 | int pwritev(int fd, const struct iovec *iov, int iovcnt, loff_t offset=-1); | |
477 | int fake_write_size(int fd, loff_t size); | |
478 | int ftruncate(int fd, loff_t size, const UserPerm& perms); | |
479 | int fsync(int fd, bool syncdataonly); | |
480 | int fstat(int fd, struct stat *stbuf, const UserPerm& perms, | |
481 | int mask=CEPH_STAT_CAP_INODE_ALL); | |
482 | int fstatx(int fd, struct ceph_statx *stx, const UserPerm& perms, | |
483 | unsigned int want, unsigned int flags); | |
b3b6e05e TL |
484 | int statxat(int dirfd, const char *relpath, |
485 | struct ceph_statx *stx, const UserPerm& perms, | |
486 | unsigned int want, unsigned int flags); | |
11fdf7f2 TL |
487 | int fallocate(int fd, int mode, loff_t offset, loff_t length); |
488 | ||
489 | // full path xattr ops | |
490 | int getxattr(const char *path, const char *name, void *value, size_t size, | |
491 | const UserPerm& perms); | |
492 | int lgetxattr(const char *path, const char *name, void *value, size_t size, | |
493 | const UserPerm& perms); | |
494 | int fgetxattr(int fd, const char *name, void *value, size_t size, | |
495 | const UserPerm& perms); | |
496 | int listxattr(const char *path, char *list, size_t size, const UserPerm& perms); | |
497 | int llistxattr(const char *path, char *list, size_t size, const UserPerm& perms); | |
498 | int flistxattr(int fd, char *list, size_t size, const UserPerm& perms); | |
499 | int removexattr(const char *path, const char *name, const UserPerm& perms); | |
500 | int lremovexattr(const char *path, const char *name, const UserPerm& perms); | |
501 | int fremovexattr(int fd, const char *name, const UserPerm& perms); | |
502 | int setxattr(const char *path, const char *name, const void *value, | |
503 | size_t size, int flags, const UserPerm& perms); | |
504 | int lsetxattr(const char *path, const char *name, const void *value, | |
505 | size_t size, int flags, const UserPerm& perms); | |
506 | int fsetxattr(int fd, const char *name, const void *value, size_t size, | |
507 | int flags, const UserPerm& perms); | |
508 | ||
509 | int sync_fs(); | |
510 | int64_t drop_caches(); | |
511 | ||
f67539c2 TL |
512 | int get_snap_info(const char *path, const UserPerm &perms, SnapInfo *snap_info); |
513 | ||
11fdf7f2 TL |
514 | // hpc lazyio |
515 | int lazyio(int fd, int enable); | |
92f5a8d4 | 516 | int lazyio_propagate(int fd, loff_t offset, size_t count); |
11fdf7f2 TL |
517 | int lazyio_synchronize(int fd, loff_t offset, size_t count); |
518 | ||
519 | // expose file layout | |
520 | int describe_layout(const char *path, file_layout_t* layout, | |
521 | const UserPerm& perms); | |
522 | int fdescribe_layout(int fd, file_layout_t* layout); | |
20effc67 TL |
523 | int get_file_stripe_address(int fd, loff_t offset, std::vector<entity_addr_t>& address); |
524 | int get_file_extent_osds(int fd, loff_t off, loff_t *len, std::vector<int>& osds); | |
11fdf7f2 TL |
525 | int get_osd_addr(int osd, entity_addr_t& addr); |
526 | ||
527 | // expose mdsmap | |
528 | int64_t get_default_pool_id(); | |
529 | ||
530 | // expose osdmap | |
531 | int get_local_osd(); | |
532 | int get_pool_replication(int64_t pool); | |
533 | int64_t get_pool_id(const char *pool_name); | |
20effc67 TL |
534 | std::string get_pool_name(int64_t pool); |
535 | int get_osd_crush_location(int id, std::vector<std::pair<std::string, std::string> >& path); | |
11fdf7f2 | 536 | |
20effc67 | 537 | int enumerate_layout(int fd, std::vector<ObjectExtent>& result, |
11fdf7f2 TL |
538 | loff_t length, loff_t offset); |
539 | ||
f67539c2 TL |
540 | int mksnap(const char *path, const char *name, const UserPerm& perm, |
541 | mode_t mode=0, const std::map<std::string, std::string> &metadata={}); | |
542 | int rmsnap(const char *path, const char *name, const UserPerm& perm, bool check_perms=false); | |
11fdf7f2 TL |
543 | |
544 | // Inode permission checking | |
545 | int inode_permission(Inode *in, const UserPerm& perms, unsigned want); | |
546 | ||
547 | // expose caps | |
548 | int get_caps_issued(int fd); | |
549 | int get_caps_issued(const char *path, const UserPerm& perms); | |
550 | ||
551 | snapid_t ll_get_snapid(Inode *in); | |
552 | vinodeno_t ll_get_vino(Inode *in) { | |
553 | std::lock_guard lock(client_lock); | |
554 | return _get_vino(in); | |
555 | } | |
556 | // get inode from faked ino | |
557 | Inode *ll_get_inode(ino_t ino); | |
558 | Inode *ll_get_inode(vinodeno_t vino); | |
559 | int ll_lookup(Inode *parent, const char *name, struct stat *attr, | |
560 | Inode **out, const UserPerm& perms); | |
561 | int ll_lookup_inode(struct inodeno_t ino, const UserPerm& perms, Inode **inode); | |
f67539c2 | 562 | int ll_lookup_vino(vinodeno_t vino, const UserPerm& perms, Inode **inode); |
11fdf7f2 TL |
563 | int ll_lookupx(Inode *parent, const char *name, Inode **out, |
564 | struct ceph_statx *stx, unsigned want, unsigned flags, | |
565 | const UserPerm& perms); | |
494da23a | 566 | bool ll_forget(Inode *in, uint64_t count); |
11fdf7f2 TL |
567 | bool ll_put(Inode *in); |
568 | int ll_get_snap_ref(snapid_t snap); | |
569 | ||
570 | int ll_getattr(Inode *in, struct stat *st, const UserPerm& perms); | |
571 | int ll_getattrx(Inode *in, struct ceph_statx *stx, unsigned int want, | |
572 | unsigned int flags, const UserPerm& perms); | |
573 | int ll_setattrx(Inode *in, struct ceph_statx *stx, int mask, | |
574 | const UserPerm& perms); | |
575 | int ll_setattr(Inode *in, struct stat *st, int mask, | |
576 | const UserPerm& perms); | |
577 | int ll_getxattr(Inode *in, const char *name, void *value, size_t size, | |
578 | const UserPerm& perms); | |
579 | int ll_setxattr(Inode *in, const char *name, const void *value, size_t size, | |
580 | int flags, const UserPerm& perms); | |
581 | int ll_removexattr(Inode *in, const char *name, const UserPerm& perms); | |
582 | int ll_listxattr(Inode *in, char *list, size_t size, const UserPerm& perms); | |
583 | int ll_opendir(Inode *in, int flags, dir_result_t **dirpp, | |
584 | const UserPerm& perms); | |
585 | int ll_releasedir(dir_result_t* dirp); | |
586 | int ll_fsyncdir(dir_result_t* dirp); | |
587 | int ll_readlink(Inode *in, char *buf, size_t bufsize, const UserPerm& perms); | |
588 | int ll_mknod(Inode *in, const char *name, mode_t mode, dev_t rdev, | |
589 | struct stat *attr, Inode **out, const UserPerm& perms); | |
590 | int ll_mknodx(Inode *parent, const char *name, mode_t mode, dev_t rdev, | |
591 | Inode **out, struct ceph_statx *stx, unsigned want, | |
592 | unsigned flags, const UserPerm& perms); | |
593 | int ll_mkdir(Inode *in, const char *name, mode_t mode, struct stat *attr, | |
594 | Inode **out, const UserPerm& perm); | |
595 | int ll_mkdirx(Inode *parent, const char *name, mode_t mode, Inode **out, | |
596 | struct ceph_statx *stx, unsigned want, unsigned flags, | |
597 | const UserPerm& perms); | |
598 | int ll_symlink(Inode *in, const char *name, const char *value, | |
599 | struct stat *attr, Inode **out, const UserPerm& perms); | |
600 | int ll_symlinkx(Inode *parent, const char *name, const char *value, | |
601 | Inode **out, struct ceph_statx *stx, unsigned want, | |
602 | unsigned flags, const UserPerm& perms); | |
603 | int ll_unlink(Inode *in, const char *name, const UserPerm& perm); | |
604 | int ll_rmdir(Inode *in, const char *name, const UserPerm& perms); | |
605 | int ll_rename(Inode *parent, const char *name, Inode *newparent, | |
606 | const char *newname, const UserPerm& perm); | |
607 | int ll_link(Inode *in, Inode *newparent, const char *newname, | |
608 | const UserPerm& perm); | |
609 | int ll_open(Inode *in, int flags, Fh **fh, const UserPerm& perms); | |
610 | int _ll_create(Inode *parent, const char *name, mode_t mode, | |
611 | int flags, InodeRef *in, int caps, Fh **fhp, | |
612 | const UserPerm& perms); | |
613 | int ll_create(Inode *parent, const char *name, mode_t mode, int flags, | |
614 | struct stat *attr, Inode **out, Fh **fhp, | |
615 | const UserPerm& perms); | |
616 | int ll_createx(Inode *parent, const char *name, mode_t mode, | |
617 | int oflags, Inode **outp, Fh **fhp, | |
618 | struct ceph_statx *stx, unsigned want, unsigned lflags, | |
619 | const UserPerm& perms); | |
620 | int ll_read_block(Inode *in, uint64_t blockid, char *buf, uint64_t offset, | |
621 | uint64_t length, file_layout_t* layout); | |
622 | ||
623 | int ll_write_block(Inode *in, uint64_t blockid, | |
624 | char* buf, uint64_t offset, | |
625 | uint64_t length, file_layout_t* layout, | |
626 | uint64_t snapseq, uint32_t sync); | |
627 | int ll_commit_blocks(Inode *in, uint64_t offset, uint64_t length); | |
628 | ||
629 | int ll_statfs(Inode *in, struct statvfs *stbuf, const UserPerm& perms); | |
630 | int ll_walk(const char* name, Inode **i, struct ceph_statx *stx, | |
631 | unsigned int want, unsigned int flags, const UserPerm& perms); | |
632 | uint32_t ll_stripe_unit(Inode *in); | |
633 | int ll_file_layout(Inode *in, file_layout_t *layout); | |
634 | uint64_t ll_snap_seq(Inode *in); | |
635 | ||
636 | int ll_read(Fh *fh, loff_t off, loff_t len, bufferlist *bl); | |
637 | int ll_write(Fh *fh, loff_t off, loff_t len, const char *data); | |
638 | int64_t ll_readv(struct Fh *fh, const struct iovec *iov, int iovcnt, int64_t off); | |
639 | int64_t ll_writev(struct Fh *fh, const struct iovec *iov, int iovcnt, int64_t off); | |
640 | loff_t ll_lseek(Fh *fh, loff_t offset, int whence); | |
641 | int ll_flush(Fh *fh); | |
642 | int ll_fsync(Fh *fh, bool syncdataonly); | |
643 | int ll_sync_inode(Inode *in, bool syncdataonly); | |
644 | int ll_fallocate(Fh *fh, int mode, int64_t offset, int64_t length); | |
645 | int ll_release(Fh *fh); | |
646 | int ll_getlk(Fh *fh, struct flock *fl, uint64_t owner); | |
647 | int ll_setlk(Fh *fh, struct flock *fl, uint64_t owner, int sleep); | |
648 | int ll_flock(Fh *fh, int cmd, uint64_t owner); | |
649 | int ll_lazyio(Fh *fh, int enable); | |
650 | int ll_file_layout(Fh *fh, file_layout_t *layout); | |
651 | void ll_interrupt(void *d); | |
652 | bool ll_handle_umask() { | |
653 | return acl_type != NO_ACL; | |
654 | } | |
655 | ||
656 | int ll_get_stripe_osd(struct Inode *in, uint64_t blockno, | |
657 | file_layout_t* layout); | |
658 | uint64_t ll_get_internal_offset(struct Inode *in, uint64_t blockno); | |
659 | ||
660 | int ll_num_osds(void); | |
661 | int ll_osdaddr(int osd, uint32_t *addr); | |
662 | int ll_osdaddr(int osd, char* buf, size_t size); | |
663 | ||
20effc67 TL |
664 | void _ll_register_callbacks(struct ceph_client_callback_args *args); |
665 | void ll_register_callbacks(struct ceph_client_callback_args *args); // deprecated | |
666 | int ll_register_callbacks2(struct ceph_client_callback_args *args); | |
1d09f67e | 667 | std::pair<int, bool> test_dentry_handling(bool can_invalidate); |
11fdf7f2 TL |
668 | |
669 | const char** get_tracked_conf_keys() const override; | |
670 | void handle_conf_change(const ConfigProxy& conf, | |
671 | const std::set <std::string> &changed) override; | |
672 | uint32_t get_deleg_timeout() { return deleg_timeout; } | |
673 | int set_deleg_timeout(uint32_t timeout); | |
674 | int ll_delegation(Fh *fh, unsigned cmd, ceph_deleg_cb_t cb, void *priv); | |
675 | ||
676 | entity_name_t get_myname() { return messenger->get_myname(); } | |
9f95a23c TL |
677 | void wait_on_list(std::list<ceph::condition_variable*>& ls); |
678 | void signal_cond_list(std::list<ceph::condition_variable*>& ls); | |
11fdf7f2 TL |
679 | |
680 | void set_filer_flags(int flags); | |
681 | void clear_filer_flags(int flags); | |
682 | ||
683 | void tear_down_cache(); | |
684 | ||
685 | void update_metadata(std::string const &k, std::string const &v); | |
686 | ||
687 | client_t get_nodeid() { return whoami; } | |
688 | ||
689 | inodeno_t get_root_ino(); | |
690 | Inode *get_root(); | |
691 | ||
692 | virtual int init(); | |
693 | virtual void shutdown(); | |
694 | ||
695 | // messaging | |
f67539c2 | 696 | void cancel_commands(const MDSMap& newmap); |
11fdf7f2 TL |
697 | void handle_mds_map(const MConstRef<MMDSMap>& m); |
698 | void handle_fs_map(const MConstRef<MFSMap>& m); | |
699 | void handle_fs_map_user(const MConstRef<MFSMapUser>& m); | |
700 | void handle_osd_map(const MConstRef<MOSDMap>& m); | |
701 | ||
702 | void handle_lease(const MConstRef<MClientLease>& m); | |
703 | ||
704 | // inline data | |
705 | int uninline_data(Inode *in, Context *onfinish); | |
706 | ||
707 | // file caps | |
708 | void check_cap_issue(Inode *in, unsigned issued); | |
709 | void add_update_cap(Inode *in, MetaSession *session, uint64_t cap_id, | |
710 | unsigned issued, unsigned wanted, unsigned seq, unsigned mseq, | |
711 | inodeno_t realm, int flags, const UserPerm& perms); | |
712 | void remove_cap(Cap *cap, bool queue_release); | |
713 | void remove_all_caps(Inode *in); | |
f6b5b4d7 | 714 | void remove_session_caps(MetaSession *session, int err); |
11fdf7f2 TL |
715 | int mark_caps_flushing(Inode *in, ceph_tid_t *ptid); |
716 | void adjust_session_flushing_caps(Inode *in, MetaSession *old_s, MetaSession *new_s); | |
717 | void flush_caps_sync(); | |
eafe8130 | 718 | void kick_flushing_caps(Inode *in, MetaSession *session); |
11fdf7f2 TL |
719 | void kick_flushing_caps(MetaSession *session); |
720 | void early_kick_flushing_caps(MetaSession *session); | |
f6b5b4d7 | 721 | int get_caps(Fh *fh, int need, int want, int *have, loff_t endoff); |
11fdf7f2 TL |
722 | int get_caps_used(Inode *in); |
723 | ||
724 | void maybe_update_snaprealm(SnapRealm *realm, snapid_t snap_created, snapid_t snap_highwater, | |
20effc67 | 725 | std::vector<snapid_t>& snaps); |
11fdf7f2 TL |
726 | |
727 | void handle_quota(const MConstRef<MClientQuota>& m); | |
728 | void handle_snap(const MConstRef<MClientSnap>& m); | |
729 | void handle_caps(const MConstRef<MClientCaps>& m); | |
730 | void handle_cap_import(MetaSession *session, Inode *in, const MConstRef<MClientCaps>& m); | |
731 | void handle_cap_export(MetaSession *session, Inode *in, const MConstRef<MClientCaps>& m); | |
732 | void handle_cap_trunc(MetaSession *session, Inode *in, const MConstRef<MClientCaps>& m); | |
733 | void handle_cap_flush_ack(MetaSession *session, Inode *in, Cap *cap, const MConstRef<MClientCaps>& m); | |
734 | void handle_cap_flushsnap_ack(MetaSession *session, Inode *in, const MConstRef<MClientCaps>& m); | |
735 | void handle_cap_grant(MetaSession *session, Inode *in, Cap *cap, const MConstRef<MClientCaps>& m); | |
736 | void cap_delay_requeue(Inode *in); | |
eafe8130 TL |
737 | |
738 | void send_cap(Inode *in, MetaSession *session, Cap *cap, int flags, | |
11fdf7f2 TL |
739 | int used, int want, int retain, int flush, |
740 | ceph_tid_t flush_tid); | |
741 | ||
eafe8130 TL |
742 | void send_flush_snap(Inode *in, MetaSession *session, snapid_t follows, CapSnap& capsnap); |
743 | ||
744 | void flush_snaps(Inode *in); | |
11fdf7f2 TL |
745 | void get_cap_ref(Inode *in, int cap); |
746 | void put_cap_ref(Inode *in, int cap); | |
11fdf7f2 TL |
747 | void wait_sync_caps(Inode *in, ceph_tid_t want); |
748 | void wait_sync_caps(ceph_tid_t want); | |
749 | void queue_cap_snap(Inode *in, SnapContext &old_snapc); | |
750 | void finish_cap_snap(Inode *in, CapSnap &capsnap, int used); | |
11fdf7f2 TL |
751 | |
752 | void _schedule_invalidate_dentry_callback(Dentry *dn, bool del); | |
20effc67 | 753 | void _async_dentry_invalidate(vinodeno_t dirino, vinodeno_t ino, std::string& name); |
11fdf7f2 TL |
754 | void _try_to_trim_inode(Inode *in, bool sched_inval); |
755 | ||
756 | void _schedule_invalidate_callback(Inode *in, int64_t off, int64_t len); | |
757 | void _invalidate_inode_cache(Inode *in); | |
758 | void _invalidate_inode_cache(Inode *in, int64_t off, int64_t len); | |
759 | void _async_invalidate(vinodeno_t ino, int64_t off, int64_t len); | |
e306af50 TL |
760 | |
761 | void _schedule_ino_release_callback(Inode *in); | |
762 | void _async_inode_release(vinodeno_t ino); | |
763 | ||
11fdf7f2 TL |
764 | bool _release(Inode *in); |
765 | ||
766 | /** | |
767 | * Initiate a flush of the data associated with the given inode. | |
768 | * If you specify a Context, you are responsible for holding an inode | |
769 | * reference for the duration of the flush. If not, _flush() will | |
770 | * take the reference for you. | |
771 | * @param in The Inode whose data you wish to flush. | |
772 | * @param c The Context you wish us to complete once the data is | |
773 | * flushed. If already flushed, this will be called in-line. | |
774 | * | |
775 | * @returns true if the data was already flushed, false otherwise. | |
776 | */ | |
777 | bool _flush(Inode *in, Context *c); | |
778 | void _flush_range(Inode *in, int64_t off, uint64_t size); | |
779 | void _flushed(Inode *in); | |
780 | void flush_set_callback(ObjectCacher::ObjectSet *oset); | |
781 | ||
782 | void close_release(Inode *in); | |
783 | void close_safe(Inode *in); | |
784 | ||
785 | void lock_fh_pos(Fh *f); | |
786 | void unlock_fh_pos(Fh *f); | |
787 | ||
788 | // metadata cache | |
522d829b | 789 | void update_dir_dist(Inode *in, DirStat *st, mds_rank_t from); |
11fdf7f2 TL |
790 | |
791 | void clear_dir_complete_and_ordered(Inode *diri, bool complete); | |
792 | void insert_readdir_results(MetaRequest *request, MetaSession *session, Inode *diri); | |
793 | Inode* insert_trace(MetaRequest *request, MetaSession *session); | |
794 | void update_inode_file_size(Inode *in, int issued, uint64_t size, | |
795 | uint64_t truncate_seq, uint64_t truncate_size); | |
796 | void update_inode_file_time(Inode *in, int issued, uint64_t time_warp_seq, | |
797 | utime_t ctime, utime_t mtime, utime_t atime); | |
798 | ||
799 | Inode *add_update_inode(InodeStat *st, utime_t ttl, MetaSession *session, | |
800 | const UserPerm& request_perms); | |
20effc67 | 801 | Dentry *insert_dentry_inode(Dir *dir, const std::string& dname, LeaseStat *dlease, |
11fdf7f2 TL |
802 | Inode *in, utime_t from, MetaSession *session, |
803 | Dentry *old_dentry = NULL); | |
804 | void update_dentry_lease(Dentry *dn, LeaseStat *dlease, utime_t from, MetaSession *session); | |
805 | ||
806 | bool use_faked_inos() { return _use_faked_inos; } | |
807 | vinodeno_t map_faked_ino(ino_t ino); | |
808 | ||
809 | //notify the mds to flush the mdlog | |
522d829b | 810 | void flush_mdlog_sync(Inode *in); |
11fdf7f2 TL |
811 | void flush_mdlog_sync(); |
812 | void flush_mdlog(MetaSession *session); | |
813 | ||
814 | void renew_caps(); | |
815 | void renew_caps(MetaSession *session); | |
816 | void flush_cap_releases(); | |
f67539c2 | 817 | void renew_and_flush_cap_releases(); |
11fdf7f2 | 818 | void tick(); |
f67539c2 TL |
819 | void start_tick_thread(); |
820 | ||
a4b75251 TL |
821 | void update_read_io_size(size_t size) { |
822 | total_read_ops++; | |
823 | total_read_size += size; | |
824 | } | |
825 | ||
826 | void update_write_io_size(size_t size) { | |
827 | total_write_ops++; | |
828 | total_write_size += size; | |
829 | } | |
830 | ||
f67539c2 TL |
831 | void inc_dentry_nr() { |
832 | ++dentry_nr; | |
833 | } | |
834 | void dec_dentry_nr() { | |
835 | --dentry_nr; | |
836 | } | |
837 | void dlease_hit() { | |
838 | ++dlease_hits; | |
839 | } | |
840 | void dlease_miss() { | |
841 | ++dlease_misses; | |
842 | } | |
843 | std::tuple<uint64_t, uint64_t, uint64_t> get_dlease_hit_rates() { | |
844 | return std::make_tuple(dlease_hits, dlease_misses, dentry_nr); | |
845 | } | |
846 | ||
847 | void cap_hit() { | |
848 | ++cap_hits; | |
849 | } | |
850 | void cap_miss() { | |
851 | ++cap_misses; | |
852 | } | |
853 | std::pair<uint64_t, uint64_t> get_cap_hit_rates() { | |
854 | return std::make_pair(cap_hits, cap_misses); | |
855 | } | |
856 | ||
857 | void inc_opened_files() { | |
858 | ++opened_files; | |
859 | } | |
860 | void dec_opened_files() { | |
861 | --opened_files; | |
862 | } | |
863 | std::pair<uint64_t, uint64_t> get_opened_files_rates() { | |
864 | return std::make_pair(opened_files, inode_map.size()); | |
865 | } | |
866 | ||
867 | void inc_pinned_icaps() { | |
868 | ++pinned_icaps; | |
869 | } | |
870 | void dec_pinned_icaps(uint64_t nr=1) { | |
871 | pinned_icaps -= nr; | |
872 | } | |
873 | std::pair<uint64_t, uint64_t> get_pinned_icaps_rates() { | |
874 | return std::make_pair(pinned_icaps, inode_map.size()); | |
875 | } | |
876 | ||
877 | void inc_opened_inodes() { | |
878 | ++opened_inodes; | |
879 | } | |
880 | void dec_opened_inodes() { | |
881 | --opened_inodes; | |
882 | } | |
883 | std::pair<uint64_t, uint64_t> get_opened_inodes_rates() { | |
884 | return std::make_pair(opened_inodes, inode_map.size()); | |
885 | } | |
11fdf7f2 | 886 | |
f67539c2 TL |
887 | /* timer_lock for 'timer' */ |
888 | ceph::mutex timer_lock = ceph::make_mutex("Client::timer_lock"); | |
11fdf7f2 TL |
889 | SafeTimer timer; |
890 | ||
f67539c2 TL |
891 | /* tick thread */ |
892 | std::thread upkeeper; | |
893 | ceph::condition_variable upkeep_cond; | |
894 | bool tick_thread_stopped = false; | |
895 | ||
11fdf7f2 TL |
896 | std::unique_ptr<PerfCounters> logger; |
897 | std::unique_ptr<MDSMap> mdsmap; | |
898 | ||
92f5a8d4 | 899 | bool fuse_default_permissions; |
33c7a0ef | 900 | bool _collect_and_send_global_metrics; |
11fdf7f2 TL |
901 | |
902 | protected: | |
903 | /* Flags for check_caps() */ | |
904 | static const unsigned CHECK_CAPS_NODELAY = 0x1; | |
905 | static const unsigned CHECK_CAPS_SYNCHRONOUS = 0x2; | |
906 | ||
11fdf7f2 TL |
907 | void check_caps(Inode *in, unsigned flags); |
908 | ||
909 | void set_cap_epoch_barrier(epoch_t e); | |
910 | ||
911 | void handle_command_reply(const MConstRef<MCommandReply>& m); | |
912 | int fetch_fsmap(bool user); | |
913 | int resolve_mds( | |
914 | const std::string &mds_spec, | |
915 | std::vector<mds_gid_t> *targets); | |
916 | ||
917 | void get_session_metadata(std::map<std::string, std::string> *meta) const; | |
918 | bool have_open_session(mds_rank_t mds); | |
919 | void got_mds_push(MetaSession *s); | |
20effc67 TL |
920 | MetaSessionRef _get_mds_session(mds_rank_t mds, Connection *con); ///< return session for mds *and* con; null otherwise |
921 | MetaSessionRef _get_or_open_mds_session(mds_rank_t mds); | |
922 | MetaSessionRef _open_mds_session(mds_rank_t mds); | |
11fdf7f2 | 923 | void _close_mds_session(MetaSession *s); |
f6b5b4d7 | 924 | void _closed_mds_session(MetaSession *s, int err=0, bool rejected=false); |
11fdf7f2 TL |
925 | bool _any_stale_sessions() const; |
926 | void _kick_stale_sessions(); | |
927 | void handle_client_session(const MConstRef<MClientSession>& m); | |
928 | void send_reconnect(MetaSession *s); | |
929 | void resend_unsafe_requests(MetaSession *s); | |
930 | void wait_unsafe_requests(); | |
931 | ||
11fdf7f2 | 932 | void dump_mds_requests(Formatter *f); |
adb31ebb | 933 | void dump_mds_sessions(Formatter *f, bool cap_dump=false); |
11fdf7f2 TL |
934 | |
935 | int make_request(MetaRequest *req, const UserPerm& perms, | |
936 | InodeRef *ptarget = 0, bool *pcreated = 0, | |
937 | mds_rank_t use_mds=-1, bufferlist *pdirbl=0); | |
938 | void put_request(MetaRequest *request); | |
939 | void unregister_request(MetaRequest *request); | |
940 | ||
9f95a23c TL |
941 | int verify_reply_trace(int r, MetaSession *session, MetaRequest *request, |
942 | const MConstRef<MClientReply>& reply, | |
11fdf7f2 TL |
943 | InodeRef *ptarget, bool *pcreated, |
944 | const UserPerm& perms); | |
945 | void encode_cap_releases(MetaRequest *request, mds_rank_t mds); | |
946 | int encode_inode_release(Inode *in, MetaRequest *req, | |
7c673cae FG |
947 | mds_rank_t mds, int drop, |
948 | int unless,int force=0); | |
949 | void encode_dentry_release(Dentry *dn, MetaRequest *req, | |
950 | mds_rank_t mds, int drop, int unless); | |
951 | mds_rank_t choose_target_mds(MetaRequest *req, Inode** phash_diri=NULL); | |
952 | void connect_mds_targets(mds_rank_t mds); | |
953 | void send_request(MetaRequest *request, MetaSession *session, | |
954 | bool drop_cap_releases=false); | |
11fdf7f2 | 955 | MRef<MClientRequest> build_client_request(MetaRequest *request); |
7c673cae FG |
956 | void kick_requests(MetaSession *session); |
957 | void kick_requests_closed(MetaSession *session); | |
11fdf7f2 TL |
958 | void handle_client_request_forward(const MConstRef<MClientRequestForward>& reply); |
959 | void handle_client_reply(const MConstRef<MClientReply>& reply); | |
7c673cae FG |
960 | bool is_dir_operation(MetaRequest *request); |
961 | ||
b3b6e05e TL |
962 | int path_walk(const filepath& fp, struct walk_dentry_result* result, const UserPerm& perms, bool followsym=true, int mask=0, |
963 | InodeRef dirinode=nullptr); | |
f67539c2 | 964 | int path_walk(const filepath& fp, InodeRef *end, const UserPerm& perms, |
b3b6e05e | 965 | bool followsym=true, int mask=0, InodeRef dirinode=nullptr); |
f67539c2 | 966 | |
7c673cae | 967 | // fake inode number for 32-bits ino_t |
7c673cae | 968 | void _assign_faked_ino(Inode *in); |
11fdf7f2 | 969 | void _assign_faked_root(Inode *in); |
7c673cae | 970 | void _release_faked_ino(Inode *in); |
7c673cae FG |
971 | void _reset_faked_inos(); |
972 | vinodeno_t _map_faked_ino(ino_t ino); | |
973 | ||
7c673cae | 974 | // Optional extra metadata about me to send to the MDS |
7c673cae FG |
975 | void populate_metadata(const std::string &mount_root); |
976 | ||
7c673cae FG |
977 | SnapRealm *get_snap_realm(inodeno_t r); |
978 | SnapRealm *get_snap_realm_maybe(inodeno_t r); | |
979 | void put_snap_realm(SnapRealm *realm); | |
980 | bool adjust_realm_parent(SnapRealm *realm, inodeno_t parent); | |
11fdf7f2 | 981 | void update_snap_trace(const bufferlist& bl, SnapRealm **realm_ret, bool must_flush=true); |
7c673cae FG |
982 | void invalidate_snaprealm_and_children(SnapRealm *realm); |
983 | ||
984 | Inode *open_snapdir(Inode *diri); | |
985 | ||
7c673cae FG |
986 | int get_fd() { |
987 | int fd = free_fd_set.range_start(); | |
988 | free_fd_set.erase(fd, 1); | |
989 | return fd; | |
990 | } | |
991 | void put_fd(int fd) { | |
992 | free_fd_set.insert(fd, 1); | |
993 | } | |
994 | ||
995 | /* | |
996 | * Resolve file descriptor, or return NULL. | |
997 | */ | |
998 | Fh *get_filehandle(int fd) { | |
f67539c2 TL |
999 | auto it = fd_map.find(fd); |
1000 | if (it == fd_map.end()) | |
7c673cae | 1001 | return NULL; |
f67539c2 | 1002 | return it->second; |
7c673cae | 1003 | } |
b3b6e05e | 1004 | int get_fd_inode(int fd, InodeRef *in); |
7c673cae | 1005 | |
7c673cae | 1006 | // helpers |
a8e16298 | 1007 | void wake_up_session_caps(MetaSession *s, bool reconnect); |
7c673cae | 1008 | |
20effc67 TL |
1009 | void wait_on_context_list(std::list<Context*>& ls); |
1010 | void signal_context_list(std::list<Context*>& ls); | |
7c673cae FG |
1011 | |
1012 | // -- metadata cache stuff | |
1013 | ||
1014 | // decrease inode ref. delete if dangling. | |
f67539c2 TL |
1015 | void _put_inode(Inode *in, int n); |
1016 | void delay_put_inodes(bool wakeup=false); | |
7c673cae FG |
1017 | void put_inode(Inode *in, int n=1); |
1018 | void close_dir(Dir *dir); | |
1019 | ||
11fdf7f2 | 1020 | int subscribe_mdsmap(const std::string &fs_name=""); |
b32b8144 | 1021 | |
11fdf7f2 TL |
1022 | void _abort_mds_sessions(int err); |
1023 | ||
1024 | // same as unmount() but for when the client_lock is already held | |
1025 | void _unmount(bool abort); | |
7c673cae FG |
1026 | |
1027 | //int get_cache_size() { return lru.lru_get_size(); } | |
7c673cae FG |
1028 | |
1029 | /** | |
1030 | * Don't call this with in==NULL, use get_or_create for that | |
1031 | * leave dn set to default NULL unless you're trying to add | |
1032 | * a new inode to a pre-created Dentry | |
1033 | */ | |
20effc67 | 1034 | Dentry* link(Dir *dir, const std::string& name, Inode *in, Dentry *dn); |
7c673cae FG |
1035 | void unlink(Dentry *dn, bool keepdir, bool keepdentry); |
1036 | ||
7c673cae FG |
1037 | int fill_stat(Inode *in, struct stat *st, frag_info_t *dirstat=0, nest_info_t *rstat=0); |
1038 | int fill_stat(InodeRef& in, struct stat *st, frag_info_t *dirstat=0, nest_info_t *rstat=0) { | |
1039 | return fill_stat(in.get(), st, dirstat, rstat); | |
1040 | } | |
1041 | ||
1042 | void fill_statx(Inode *in, unsigned int mask, struct ceph_statx *stx); | |
1043 | void fill_statx(InodeRef& in, unsigned int mask, struct ceph_statx *stx) { | |
1044 | return fill_statx(in.get(), mask, stx); | |
1045 | } | |
1046 | ||
1047 | void touch_dn(Dentry *dn); | |
1048 | ||
1049 | // trim cache. | |
1050 | void trim_cache(bool trim_kernel_dcache=false); | |
1051 | void trim_cache_for_reconnect(MetaSession *s); | |
1052 | void trim_dentry(Dentry *dn); | |
28e407b8 | 1053 | void trim_caps(MetaSession *s, uint64_t max); |
7c673cae | 1054 | void _invalidate_kernel_dcache(); |
91327a77 | 1055 | void _trim_negative_child_dentries(InodeRef& in); |
11fdf7f2 | 1056 | |
7c673cae FG |
1057 | void dump_inode(Formatter *f, Inode *in, set<Inode*>& did, bool disconnected); |
1058 | void dump_cache(Formatter *f); // debug | |
1059 | ||
1060 | // force read-only | |
1061 | void force_session_readonly(MetaSession *s); | |
1062 | ||
1063 | void dump_status(Formatter *f); // debug | |
7c673cae | 1064 | |
11fdf7f2 | 1065 | bool ms_dispatch2(const MessageRef& m) override; |
7c673cae FG |
1066 | |
1067 | void ms_handle_connect(Connection *con) override; | |
1068 | bool ms_handle_reset(Connection *con) override; | |
1069 | void ms_handle_remote_reset(Connection *con) override; | |
1070 | bool ms_handle_refused(Connection *con) override; | |
7c673cae FG |
1071 | |
1072 | int authenticate(); | |
1073 | ||
1074 | Inode* get_quota_root(Inode *in, const UserPerm& perms); | |
1075 | bool check_quota_condition(Inode *in, const UserPerm& perms, | |
1076 | std::function<bool (const Inode &)> test); | |
1077 | bool is_quota_files_exceeded(Inode *in, const UserPerm& perms); | |
1078 | bool is_quota_bytes_exceeded(Inode *in, int64_t new_bytes, | |
11fdf7f2 TL |
1079 | const UserPerm& perms); |
1080 | bool is_quota_bytes_approaching(Inode *in, const UserPerm& perms); | |
7c673cae | 1081 | |
7c673cae FG |
1082 | int check_pool_perm(Inode *in, int need); |
1083 | ||
11fdf7f2 TL |
1084 | void handle_client_reclaim_reply(const MConstRef<MClientReclaimReply>& reply); |
1085 | ||
7c673cae FG |
1086 | /** |
1087 | * Call this when an OSDMap is seen with a full flag (global or per pool) | |
1088 | * set. | |
1089 | * | |
1090 | * @param pool the pool ID affected, or -1 if all. | |
1091 | */ | |
1092 | void _handle_full_flag(int64_t pool); | |
1093 | ||
1094 | void _close_sessions(); | |
1095 | ||
e306af50 TL |
1096 | void _pre_init(); |
1097 | ||
7c673cae FG |
1098 | /** |
1099 | * The basic housekeeping parts of init (perf counters, admin socket) | |
1100 | * that is independent of how objecters/monclient/messengers are | |
1101 | * being set up. | |
1102 | */ | |
1103 | void _finish_init(); | |
1104 | ||
11fdf7f2 TL |
1105 | // global client lock |
1106 | // - protects Client and buffer cache both! | |
9f95a23c | 1107 | ceph::mutex client_lock = ceph::make_mutex("Client::client_lock"); |
7c673cae | 1108 | |
11fdf7f2 | 1109 | std::map<snapid_t, int> ll_snap_ref; |
7c673cae | 1110 | |
b3b6e05e | 1111 | InodeRef root = nullptr; |
11fdf7f2 TL |
1112 | map<Inode*, InodeRef> root_parents; |
1113 | Inode* root_ancestor = nullptr; | |
1114 | LRU lru; // lru list of Dentry's in our local metadata cache. | |
7c673cae | 1115 | |
11fdf7f2 | 1116 | InodeRef cwd; |
7c673cae | 1117 | |
11fdf7f2 TL |
1118 | std::unique_ptr<Filer> filer; |
1119 | std::unique_ptr<ObjectCacher> objectcacher; | |
1120 | std::unique_ptr<WritebackHandler> writeback_handler; | |
7c673cae | 1121 | |
11fdf7f2 TL |
1122 | Messenger *messenger; |
1123 | MonClient *monclient; | |
1124 | Objecter *objecter; | |
7c673cae | 1125 | |
11fdf7f2 | 1126 | client_t whoami; |
7c673cae | 1127 | |
f67539c2 TL |
1128 | /* The state migration mechanism */ |
1129 | enum _state { | |
1130 | /* For the initialize_state */ | |
1131 | CLIENT_NEW, // The initial state for the initialize_state or after Client::shutdown() | |
1132 | CLIENT_INITIALIZING, // At the beginning of the Client::init() | |
1133 | CLIENT_INITIALIZED, // At the end of CLient::init() | |
1134 | ||
1135 | /* For the mount_state */ | |
1136 | CLIENT_UNMOUNTED, // The initial state for the mount_state or after unmounted | |
1137 | CLIENT_MOUNTING, // At the beginning of Client::mount() | |
1138 | CLIENT_MOUNTED, // At the end of Client::mount() | |
1139 | CLIENT_UNMOUNTING, // At the beginning of the Client::_unmout() | |
1140 | }; | |
1141 | ||
1142 | typedef enum _state state_t; | |
1143 | using RWRef_t = RWRef<state_t>; | |
1144 | ||
1145 | struct mount_state_t : public RWRefState<state_t> { | |
1146 | public: | |
1147 | bool is_valid_state(state_t state) const override { | |
1148 | switch (state) { | |
1149 | case Client::CLIENT_MOUNTING: | |
1150 | case Client::CLIENT_MOUNTED: | |
1151 | case Client::CLIENT_UNMOUNTING: | |
1152 | case Client::CLIENT_UNMOUNTED: | |
1153 | return true; | |
1154 | default: | |
1155 | return false; | |
1156 | } | |
1157 | } | |
1158 | ||
1159 | int check_reader_state(state_t require) const override { | |
1160 | if (require == Client::CLIENT_MOUNTING && | |
1161 | (state == Client::CLIENT_MOUNTING || state == Client::CLIENT_MOUNTED)) | |
1162 | return true; | |
1163 | else | |
1164 | return false; | |
1165 | } | |
1166 | ||
1167 | /* The state migration check */ | |
1168 | int check_writer_state(state_t require) const override { | |
1169 | if (require == Client::CLIENT_MOUNTING && | |
1170 | state == Client::CLIENT_UNMOUNTED) | |
1171 | return true; | |
1172 | else if (require == Client::CLIENT_MOUNTED && | |
1173 | state == Client::CLIENT_MOUNTING) | |
1174 | return true; | |
1175 | else if (require == Client::CLIENT_UNMOUNTING && | |
1176 | state == Client::CLIENT_MOUNTED) | |
1177 | return true; | |
1178 | else if (require == Client::CLIENT_UNMOUNTED && | |
1179 | state == Client::CLIENT_UNMOUNTING) | |
1180 | return true; | |
1181 | else | |
1182 | return false; | |
1183 | } | |
1184 | ||
1185 | mount_state_t(state_t state, const char *lockname, uint64_t reader_cnt=0) | |
1186 | : RWRefState (state, lockname, reader_cnt) {} | |
1187 | ~mount_state_t() {} | |
1188 | }; | |
1189 | ||
1190 | struct initialize_state_t : public RWRefState<state_t> { | |
1191 | public: | |
1192 | bool is_valid_state(state_t state) const override { | |
1193 | switch (state) { | |
1194 | case Client::CLIENT_NEW: | |
1195 | case Client::CLIENT_INITIALIZING: | |
1196 | case Client::CLIENT_INITIALIZED: | |
1197 | return true; | |
1198 | default: | |
1199 | return false; | |
1200 | } | |
1201 | } | |
1202 | ||
1203 | int check_reader_state(state_t require) const override { | |
1204 | if (require == Client::CLIENT_INITIALIZED && | |
1205 | state >= Client::CLIENT_INITIALIZED) | |
1206 | return true; | |
1207 | else | |
1208 | return false; | |
1209 | } | |
1210 | ||
1211 | /* The state migration check */ | |
1212 | int check_writer_state(state_t require) const override { | |
1213 | if (require == Client::CLIENT_INITIALIZING && | |
1214 | (state == Client::CLIENT_NEW)) | |
1215 | return true; | |
1216 | else if (require == Client::CLIENT_INITIALIZED && | |
1217 | (state == Client::CLIENT_INITIALIZING)) | |
1218 | return true; | |
1219 | else if (require == Client::CLIENT_NEW && | |
1220 | (state == Client::CLIENT_INITIALIZED)) | |
1221 | return true; | |
1222 | else | |
1223 | return false; | |
1224 | } | |
1225 | ||
1226 | initialize_state_t(state_t state, const char *lockname, uint64_t reader_cnt=0) | |
1227 | : RWRefState (state, lockname, reader_cnt) {} | |
1228 | ~initialize_state_t() {} | |
1229 | }; | |
1230 | ||
1231 | struct mount_state_t mount_state; | |
1232 | struct initialize_state_t initialize_state; | |
7c673cae | 1233 | |
11fdf7f2 TL |
1234 | private: |
1235 | struct C_Readahead : public Context { | |
1236 | C_Readahead(Client *c, Fh *f); | |
1237 | ~C_Readahead() override; | |
1238 | void finish(int r) override; | |
7c673cae | 1239 | |
11fdf7f2 TL |
1240 | Client *client; |
1241 | Fh *f; | |
1242 | }; | |
7c673cae | 1243 | |
11fdf7f2 TL |
1244 | /* |
1245 | * These define virtual xattrs exposing the recursive directory | |
1246 | * statistics and layout metadata. | |
1247 | */ | |
1248 | struct VXattr { | |
20effc67 TL |
1249 | const std::string name; |
1250 | size_t (Client::*getxattr_cb)(Inode *in, char *val, size_t size); | |
1251 | bool readonly; | |
1252 | bool (Client::*exists_cb)(Inode *in); | |
1253 | unsigned int flags; | |
11fdf7f2 | 1254 | }; |
7c673cae | 1255 | |
11fdf7f2 TL |
1256 | enum { |
1257 | NO_ACL = 0, | |
1258 | POSIX_ACL, | |
1259 | }; | |
7c673cae | 1260 | |
11fdf7f2 TL |
1261 | enum { |
1262 | MAY_EXEC = 1, | |
1263 | MAY_WRITE = 2, | |
1264 | MAY_READ = 4, | |
1265 | }; | |
7c673cae | 1266 | |
f67539c2 | 1267 | std::unique_ptr<CephContext, std::function<void(CephContext*)>> cct_deleter; |
7c673cae | 1268 | |
11fdf7f2 TL |
1269 | /* Flags for VXattr */ |
1270 | static const unsigned VXATTR_RSTAT = 0x1; | |
adb31ebb | 1271 | static const unsigned VXATTR_DIRSTAT = 0x2; |
7c673cae | 1272 | |
11fdf7f2 TL |
1273 | static const VXattr _dir_vxattrs[]; |
1274 | static const VXattr _file_vxattrs[]; | |
adb31ebb | 1275 | static const VXattr _common_vxattrs[]; |
1adf2230 | 1276 | |
7c673cae | 1277 | |
b3b6e05e | 1278 | bool is_reserved_vino(vinodeno_t &vino); |
7c673cae FG |
1279 | |
1280 | void fill_dirent(struct dirent *de, const char *name, int type, uint64_t ino, loff_t next_off); | |
1281 | ||
7c673cae FG |
1282 | int _opendir(Inode *in, dir_result_t **dirpp, const UserPerm& perms); |
1283 | void _readdir_drop_dirp_buffer(dir_result_t *dirp); | |
1284 | bool _readdir_have_frag(dir_result_t *dirp); | |
1285 | void _readdir_next_frag(dir_result_t *dirp); | |
1286 | void _readdir_rechoose_frag(dir_result_t *dirp); | |
1287 | int _readdir_get_frag(dir_result_t *dirp); | |
1288 | int _readdir_cache_cb(dir_result_t *dirp, add_dirent_cb_t cb, void *p, int caps, bool getref); | |
1289 | void _closedir(dir_result_t *dirp); | |
1290 | ||
1291 | // other helpers | |
1292 | void _fragmap_remove_non_leaves(Inode *in); | |
1293 | void _fragmap_remove_stopped_mds(Inode *in, mds_rank_t mds); | |
1294 | ||
1295 | void _ll_get(Inode *in); | |
494da23a | 1296 | int _ll_put(Inode *in, uint64_t num); |
7c673cae FG |
1297 | void _ll_drop_pins(); |
1298 | ||
1299 | Fh *_create_fh(Inode *in, int flags, int cmode, const UserPerm& perms); | |
1300 | int _release_fh(Fh *fh); | |
1301 | void _put_fh(Fh *fh); | |
1302 | ||
1d09f67e | 1303 | std::pair<int, bool> _do_remount(bool retry_on_error); |
7c673cae FG |
1304 | |
1305 | int _read_sync(Fh *f, uint64_t off, uint64_t len, bufferlist *bl, bool *checkeof); | |
1306 | int _read_async(Fh *f, uint64_t off, uint64_t len, bufferlist *bl); | |
1307 | ||
f67539c2 TL |
1308 | bool _dentry_valid(const Dentry *dn); |
1309 | ||
7c673cae FG |
1310 | // internal interface |
1311 | // call these with client_lock held! | |
20effc67 | 1312 | int _do_lookup(Inode *dir, const std::string& name, int mask, InodeRef *target, |
7c673cae FG |
1313 | const UserPerm& perms); |
1314 | ||
20effc67 | 1315 | int _lookup(Inode *dir, const std::string& dname, int mask, InodeRef *target, |
f67539c2 | 1316 | const UserPerm& perm, std::string* alternate_name=nullptr); |
7c673cae | 1317 | |
f67539c2 | 1318 | int _link(Inode *in, Inode *dir, const char *name, const UserPerm& perm, std::string alternate_name, |
7c673cae FG |
1319 | InodeRef *inp = 0); |
1320 | int _unlink(Inode *dir, const char *name, const UserPerm& perm); | |
f67539c2 | 1321 | int _rename(Inode *olddir, const char *oname, Inode *ndir, const char *nname, const UserPerm& perm, std::string alternate_name); |
7c673cae | 1322 | int _mkdir(Inode *dir, const char *name, mode_t mode, const UserPerm& perm, |
f67539c2 TL |
1323 | InodeRef *inp = 0, const std::map<std::string, std::string> &metadata={}, |
1324 | std::string alternate_name=""); | |
7c673cae FG |
1325 | int _rmdir(Inode *dir, const char *name, const UserPerm& perms); |
1326 | int _symlink(Inode *dir, const char *name, const char *target, | |
f67539c2 | 1327 | const UserPerm& perms, std::string alternate_name, InodeRef *inp = 0); |
7c673cae FG |
1328 | int _mknod(Inode *dir, const char *name, mode_t mode, dev_t rdev, |
1329 | const UserPerm& perms, InodeRef *inp = 0); | |
1330 | int _do_setattr(Inode *in, struct ceph_statx *stx, int mask, | |
1331 | const UserPerm& perms, InodeRef *inp); | |
1332 | void stat_to_statx(struct stat *st, struct ceph_statx *stx); | |
1333 | int __setattrx(Inode *in, struct ceph_statx *stx, int mask, | |
1334 | const UserPerm& perms, InodeRef *inp = 0); | |
1335 | int _setattrx(InodeRef &in, struct ceph_statx *stx, int mask, | |
1336 | const UserPerm& perms); | |
1337 | int _setattr(InodeRef &in, struct stat *attr, int mask, | |
1338 | const UserPerm& perms); | |
1339 | int _ll_setattrx(Inode *in, struct ceph_statx *stx, int mask, | |
1340 | const UserPerm& perms, InodeRef *inp = 0); | |
1341 | int _getattr(Inode *in, int mask, const UserPerm& perms, bool force=false); | |
1342 | int _getattr(InodeRef &in, int mask, const UserPerm& perms, bool force=false) { | |
1343 | return _getattr(in.get(), mask, perms, force); | |
1344 | } | |
1345 | int _readlink(Inode *in, char *buf, size_t size); | |
1346 | int _getxattr(Inode *in, const char *name, void *value, size_t len, | |
1347 | const UserPerm& perms); | |
1348 | int _getxattr(InodeRef &in, const char *name, void *value, size_t len, | |
1349 | const UserPerm& perms); | |
1d09f67e TL |
1350 | int _getvxattr(Inode *in, const UserPerm& perms, const char *attr_name, |
1351 | ssize_t size, void *value, mds_rank_t rank); | |
7c673cae FG |
1352 | int _listxattr(Inode *in, char *names, size_t len, const UserPerm& perms); |
1353 | int _do_setxattr(Inode *in, const char *name, const void *value, size_t len, | |
1354 | int flags, const UserPerm& perms); | |
1355 | int _setxattr(Inode *in, const char *name, const void *value, size_t len, | |
1356 | int flags, const UserPerm& perms); | |
1357 | int _setxattr(InodeRef &in, const char *name, const void *value, size_t len, | |
1358 | int flags, const UserPerm& perms); | |
20effc67 | 1359 | int _setxattr_check_data_pool(std::string& name, std::string& value, const OSDMap *osdmap); |
7c673cae FG |
1360 | void _setxattr_maybe_wait_for_osdmap(const char *name, const void *value, size_t len); |
1361 | int _removexattr(Inode *in, const char *nm, const UserPerm& perms); | |
1362 | int _removexattr(InodeRef &in, const char *nm, const UserPerm& perms); | |
1363 | int _open(Inode *in, int flags, mode_t mode, Fh **fhp, | |
1364 | const UserPerm& perms); | |
1365 | int _renew_caps(Inode *in); | |
1366 | int _create(Inode *in, const char *name, int flags, mode_t mode, InodeRef *inp, | |
1367 | Fh **fhp, int stripe_unit, int stripe_count, int object_size, | |
f67539c2 TL |
1368 | const char *data_pool, bool *created, const UserPerm &perms, |
1369 | std::string alternate_name); | |
7c673cae FG |
1370 | |
1371 | loff_t _lseek(Fh *fh, loff_t offset, int whence); | |
11fdf7f2 TL |
1372 | int64_t _read(Fh *fh, int64_t offset, uint64_t size, bufferlist *bl); |
1373 | int64_t _write(Fh *fh, int64_t offset, uint64_t size, const char *buf, | |
7c673cae | 1374 | const struct iovec *iov, int iovcnt); |
f67539c2 TL |
1375 | int64_t _preadv_pwritev_locked(Fh *fh, const struct iovec *iov, |
1376 | unsigned iovcnt, int64_t offset, | |
20effc67 TL |
1377 | bool write, bool clamp_to_int); |
1378 | int _preadv_pwritev(int fd, const struct iovec *iov, unsigned iovcnt, | |
1379 | int64_t offset, bool write); | |
7c673cae FG |
1380 | int _flush(Fh *fh); |
1381 | int _fsync(Fh *fh, bool syncdataonly); | |
1382 | int _fsync(Inode *in, bool syncdataonly); | |
1383 | int _sync_fs(); | |
1384 | int _fallocate(Fh *fh, int mode, int64_t offset, int64_t length); | |
1385 | int _getlk(Fh *fh, struct flock *fl, uint64_t owner); | |
1386 | int _setlk(Fh *fh, struct flock *fl, uint64_t owner, int sleep); | |
1387 | int _flock(Fh *fh, int cmd, uint64_t owner); | |
11fdf7f2 | 1388 | int _lazyio(Fh *fh, int enable); |
7c673cae FG |
1389 | |
1390 | int get_or_create(Inode *dir, const char* name, | |
1391 | Dentry **pdn, bool expect_null=false); | |
1392 | ||
7c673cae FG |
1393 | int xattr_permission(Inode *in, const char *name, unsigned want, |
1394 | const UserPerm& perms); | |
1395 | int may_setattr(Inode *in, struct ceph_statx *stx, int mask, | |
1396 | const UserPerm& perms); | |
1397 | int may_open(Inode *in, int flags, const UserPerm& perms); | |
1398 | int may_lookup(Inode *dir, const UserPerm& perms); | |
1399 | int may_create(Inode *dir, const UserPerm& perms); | |
1400 | int may_delete(Inode *dir, const char *name, const UserPerm& perms); | |
1401 | int may_hardlink(Inode *in, const UserPerm& perms); | |
1402 | ||
1403 | int _getattr_for_perm(Inode *in, const UserPerm& perms); | |
7c673cae FG |
1404 | |
1405 | vinodeno_t _get_vino(Inode *in); | |
28e407b8 | 1406 | |
7c673cae FG |
1407 | bool _vxattrcb_quota_exists(Inode *in); |
1408 | size_t _vxattrcb_quota(Inode *in, char *val, size_t size); | |
1409 | size_t _vxattrcb_quota_max_bytes(Inode *in, char *val, size_t size); | |
1410 | size_t _vxattrcb_quota_max_files(Inode *in, char *val, size_t size); | |
1411 | ||
1412 | bool _vxattrcb_layout_exists(Inode *in); | |
1413 | size_t _vxattrcb_layout(Inode *in, char *val, size_t size); | |
1414 | size_t _vxattrcb_layout_stripe_unit(Inode *in, char *val, size_t size); | |
1415 | size_t _vxattrcb_layout_stripe_count(Inode *in, char *val, size_t size); | |
1416 | size_t _vxattrcb_layout_object_size(Inode *in, char *val, size_t size); | |
1417 | size_t _vxattrcb_layout_pool(Inode *in, char *val, size_t size); | |
1418 | size_t _vxattrcb_layout_pool_namespace(Inode *in, char *val, size_t size); | |
1419 | size_t _vxattrcb_dir_entries(Inode *in, char *val, size_t size); | |
1420 | size_t _vxattrcb_dir_files(Inode *in, char *val, size_t size); | |
1421 | size_t _vxattrcb_dir_subdirs(Inode *in, char *val, size_t size); | |
1422 | size_t _vxattrcb_dir_rentries(Inode *in, char *val, size_t size); | |
1423 | size_t _vxattrcb_dir_rfiles(Inode *in, char *val, size_t size); | |
1424 | size_t _vxattrcb_dir_rsubdirs(Inode *in, char *val, size_t size); | |
f67539c2 | 1425 | size_t _vxattrcb_dir_rsnaps(Inode *in, char *val, size_t size); |
7c673cae FG |
1426 | size_t _vxattrcb_dir_rbytes(Inode *in, char *val, size_t size); |
1427 | size_t _vxattrcb_dir_rctime(Inode *in, char *val, size_t size); | |
7c673cae | 1428 | |
11fdf7f2 TL |
1429 | bool _vxattrcb_dir_pin_exists(Inode *in); |
1430 | size_t _vxattrcb_dir_pin(Inode *in, char *val, size_t size); | |
1431 | ||
81eedcae TL |
1432 | bool _vxattrcb_snap_btime_exists(Inode *in); |
1433 | size_t _vxattrcb_snap_btime(Inode *in, char *val, size_t size); | |
7c673cae | 1434 | |
20effc67 TL |
1435 | size_t _vxattrcb_caps(Inode *in, char *val, size_t size); |
1436 | ||
f67539c2 TL |
1437 | bool _vxattrcb_mirror_info_exists(Inode *in); |
1438 | size_t _vxattrcb_mirror_info(Inode *in, char *val, size_t size); | |
1439 | ||
adb31ebb TL |
1440 | size_t _vxattrcb_cluster_fsid(Inode *in, char *val, size_t size); |
1441 | size_t _vxattrcb_client_id(Inode *in, char *val, size_t size); | |
1442 | ||
7c673cae FG |
1443 | static const VXattr *_get_vxattrs(Inode *in); |
1444 | static const VXattr *_match_vxattr(Inode *in, const char *name); | |
1445 | ||
7c673cae FG |
1446 | int _do_filelock(Inode *in, Fh *fh, int lock_type, int op, int sleep, |
1447 | struct flock *fl, uint64_t owner, bool removing=false); | |
1448 | int _interrupt_filelock(MetaRequest *req); | |
1449 | void _encode_filelocks(Inode *in, bufferlist& bl); | |
1450 | void _release_filelocks(Fh *fh); | |
1451 | void _update_lock_state(struct flock *fl, uint64_t owner, ceph_lock_state_t *lock_state); | |
1452 | ||
1453 | int _posix_acl_create(Inode *dir, mode_t *mode, bufferlist& xattrs_bl, | |
1454 | const UserPerm& perms); | |
1455 | int _posix_acl_chmod(Inode *in, mode_t mode, const UserPerm& perms); | |
1456 | int _posix_acl_permission(Inode *in, const UserPerm& perms, unsigned want); | |
1457 | ||
1458 | mds_rank_t _get_random_up_mds() const; | |
1459 | ||
1460 | int _ll_getattr(Inode *in, int caps, const UserPerm& perms); | |
1adf2230 AA |
1461 | int _lookup_parent(Inode *in, const UserPerm& perms, Inode **parent=NULL); |
1462 | int _lookup_name(Inode *in, Inode *parent, const UserPerm& perms); | |
f67539c2 | 1463 | int _lookup_vino(vinodeno_t ino, const UserPerm& perms, Inode **inode=NULL); |
494da23a | 1464 | bool _ll_forget(Inode *in, uint64_t count); |
7c673cae | 1465 | |
f67539c2 TL |
1466 | void collect_and_send_metrics(); |
1467 | void collect_and_send_global_metrics(); | |
7c673cae | 1468 | |
2a845540 TL |
1469 | void update_io_stat_metadata(utime_t latency); |
1470 | void update_io_stat_read(utime_t latency); | |
1471 | void update_io_stat_write(utime_t latency); | |
1472 | ||
11fdf7f2 | 1473 | uint32_t deleg_timeout = 0; |
7c673cae | 1474 | |
11fdf7f2 TL |
1475 | client_switch_interrupt_callback_t switch_interrupt_cb = nullptr; |
1476 | client_remount_callback_t remount_cb = nullptr; | |
1477 | client_ino_callback_t ino_invalidate_cb = nullptr; | |
1478 | client_dentry_callback_t dentry_invalidate_cb = nullptr; | |
1479 | client_umask_callback_t umask_cb = nullptr; | |
e306af50 | 1480 | client_ino_release_t ino_release_cb = nullptr; |
11fdf7f2 TL |
1481 | void *callback_handle = nullptr; |
1482 | bool can_invalidate_dentries = false; | |
7c673cae | 1483 | |
11fdf7f2 TL |
1484 | Finisher async_ino_invalidator; |
1485 | Finisher async_dentry_invalidator; | |
1486 | Finisher interrupt_finisher; | |
1487 | Finisher remount_finisher; | |
e306af50 | 1488 | Finisher async_ino_releasor; |
11fdf7f2 | 1489 | Finisher objecter_finisher; |
7c673cae | 1490 | |
2a845540 | 1491 | ceph::coarse_mono_time last_cap_renew; |
7c673cae | 1492 | |
11fdf7f2 | 1493 | CommandHook m_command_hook; |
7c673cae | 1494 | |
11fdf7f2 TL |
1495 | int user_id, group_id; |
1496 | int acl_type = NO_ACL; | |
7c673cae | 1497 | |
11fdf7f2 | 1498 | epoch_t cap_epoch_barrier = 0; |
7c673cae | 1499 | |
11fdf7f2 | 1500 | // mds sessions |
20effc67 | 1501 | map<mds_rank_t, MetaSessionRef> mds_sessions; // mds -> push seq |
f6b5b4d7 | 1502 | std::set<mds_rank_t> mds_ranks_closing; // mds ranks currently tearing down sessions |
9f95a23c | 1503 | std::list<ceph::condition_variable*> waiting_for_mdsmap; |
7c673cae | 1504 | |
11fdf7f2 | 1505 | // FSMap, for when using mds_command |
9f95a23c | 1506 | std::list<ceph::condition_variable*> waiting_for_fsmap; |
11fdf7f2 TL |
1507 | std::unique_ptr<FSMap> fsmap; |
1508 | std::unique_ptr<FSMapUser> fsmap_user; | |
7c673cae | 1509 | |
f67539c2 TL |
1510 | // This mutex only protects command_table |
1511 | ceph::mutex command_lock = ceph::make_mutex("Client::command_lock"); | |
11fdf7f2 TL |
1512 | // MDS command state |
1513 | CommandTable<MDSCommandOp> command_table; | |
7c673cae | 1514 | |
11fdf7f2 | 1515 | bool _use_faked_inos; |
7c673cae | 1516 | |
11fdf7f2 TL |
1517 | // Cluster fsid |
1518 | fs_cluster_id_t fscid; | |
7c673cae | 1519 | |
11fdf7f2 TL |
1520 | // file handles, etc. |
1521 | interval_set<int> free_fd_set; // unused fds | |
1522 | ceph::unordered_map<int, Fh*> fd_map; | |
1523 | set<Fh*> ll_unclosed_fh_set; | |
1524 | ceph::unordered_set<dir_result_t*> opened_dirs; | |
f6b5b4d7 | 1525 | uint64_t fd_gen = 1; |
7c673cae | 1526 | |
f67539c2 TL |
1527 | bool mount_aborted = false; |
1528 | bool blocklisted = false; | |
28e407b8 | 1529 | |
11fdf7f2 TL |
1530 | ceph::unordered_map<vinodeno_t, Inode*> inode_map; |
1531 | ceph::unordered_map<ino_t, vinodeno_t> faked_ino_map; | |
1532 | interval_set<ino_t> free_faked_inos; | |
1533 | ino_t last_used_faked_ino; | |
1534 | ino_t last_used_faked_root; | |
7c673cae | 1535 | |
f67539c2 | 1536 | int local_osd = -CEPHFS_ENXIO; |
11fdf7f2 | 1537 | epoch_t local_osd_epoch = 0; |
7c673cae | 1538 | |
11fdf7f2 TL |
1539 | // mds requests |
1540 | ceph_tid_t last_tid = 0; | |
1541 | ceph_tid_t oldest_tid = 0; // oldest incomplete mds request, excluding setfilelock requests | |
1542 | map<ceph_tid_t, MetaRequest*> mds_requests; | |
7c673cae | 1543 | |
11fdf7f2 TL |
1544 | // cap flushing |
1545 | ceph_tid_t last_flush_tid = 1; | |
7c673cae | 1546 | |
20effc67 | 1547 | xlist<Inode*> delayed_list; |
11fdf7f2 TL |
1548 | int num_flushing_caps = 0; |
1549 | ceph::unordered_map<inodeno_t,SnapRealm*> snap_realms; | |
1550 | std::map<std::string, std::string> metadata; | |
7c673cae | 1551 | |
2a845540 TL |
1552 | ceph::coarse_mono_time last_auto_reconnect; |
1553 | std::chrono::seconds caps_release_delay, mount_timeout; | |
11fdf7f2 | 1554 | // trace generation |
20effc67 | 1555 | std::ofstream traceout; |
7c673cae | 1556 | |
9f95a23c | 1557 | ceph::condition_variable mount_cond, sync_cond; |
11fdf7f2 TL |
1558 | |
1559 | std::map<std::pair<int64_t,std::string>, int> pool_perms; | |
9f95a23c | 1560 | std::list<ceph::condition_variable*> waiting_for_pool_perm; |
91327a77 | 1561 | |
91327a77 | 1562 | uint64_t retries_on_invalidate = 0; |
11fdf7f2 TL |
1563 | |
1564 | // state reclaim | |
9f95a23c | 1565 | std::list<ceph::condition_variable*> waiting_for_reclaim; |
11fdf7f2 TL |
1566 | int reclaim_errno = 0; |
1567 | epoch_t reclaim_osd_epoch = 0; | |
1568 | entity_addrvec_t reclaim_target_addrs; | |
f67539c2 TL |
1569 | |
1570 | // dentry lease metrics | |
1571 | uint64_t dentry_nr = 0; | |
1572 | uint64_t dlease_hits = 0; | |
1573 | uint64_t dlease_misses = 0; | |
1574 | ||
1575 | uint64_t cap_hits = 0; | |
1576 | uint64_t cap_misses = 0; | |
1577 | ||
1578 | uint64_t opened_files = 0; | |
1579 | uint64_t pinned_icaps = 0; | |
1580 | uint64_t opened_inodes = 0; | |
1581 | ||
a4b75251 TL |
1582 | uint64_t total_read_ops = 0; |
1583 | uint64_t total_read_size = 0; | |
1584 | ||
1585 | uint64_t total_write_ops = 0; | |
1586 | uint64_t total_write_size = 0; | |
1587 | ||
f67539c2 TL |
1588 | ceph::spinlock delay_i_lock; |
1589 | std::map<Inode*,int> delay_i_release; | |
2a845540 TL |
1590 | |
1591 | uint64_t nr_metadata_request = 0; | |
1592 | uint64_t nr_read_request = 0; | |
1593 | uint64_t nr_write_request = 0; | |
7c673cae FG |
1594 | }; |
1595 | ||
1596 | /** | |
1597 | * Specialization of Client that manages its own Objecter instance | |
1598 | * and handles init/shutdown of messenger/monclient | |
1599 | */ | |
1600 | class StandaloneClient : public Client | |
1601 | { | |
11fdf7f2 | 1602 | public: |
f67539c2 | 1603 | StandaloneClient(Messenger *m, MonClient *mc, boost::asio::io_context& ictx); |
7c673cae FG |
1604 | |
1605 | ~StandaloneClient() override; | |
1606 | ||
1607 | int init() override; | |
1608 | void shutdown() override; | |
1609 | }; | |
1610 | ||
1611 | #endif |