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1 | /* |
2 | * linux/include/linux/nfs_fs.h |
3 | * |
4 | * Copyright (C) 1992 Rick Sladkey |
5 | * |
6 | * OS-specific nfs filesystem definitions and declarations |
7 | */ |
8 | |
9 | #ifndef _LINUX_NFS_FS_H |
10 | #define _LINUX_NFS_FS_H |
11 | |
12 | #include <linux/magic.h> |
13 | |
14 | /* Default timeout values */ |
15 | #define NFS_DEF_UDP_TIMEO (11) |
16 | #define NFS_DEF_UDP_RETRANS (3) |
17 | #define NFS_DEF_TCP_TIMEO (600) |
18 | #define NFS_DEF_TCP_RETRANS (2) |
19 | |
20 | #define NFS_MAX_UDP_TIMEOUT (60*HZ) |
21 | #define NFS_MAX_TCP_TIMEOUT (600*HZ) |
22 | |
23 | #define NFS_DEF_ACREGMIN (3) |
24 | #define NFS_DEF_ACREGMAX (60) |
25 | #define NFS_DEF_ACDIRMIN (30) |
26 | #define NFS_DEF_ACDIRMAX (60) |
27 | |
28 | /* |
29 | * When flushing a cluster of dirty pages, there can be different |
30 | * strategies: |
31 | */ |
32 | #define FLUSH_SYNC 1 /* file being synced, or contention */ |
33 | #define FLUSH_STABLE 4 /* commit to stable storage */ |
34 | #define FLUSH_LOWPRI 8 /* low priority background flush */ |
35 | #define FLUSH_HIGHPRI 16 /* high priority memory reclaim flush */ |
36 | |
37 | #ifdef __KERNEL__ |
38 | |
39 | #include <linux/in.h> |
40 | #include <linux/mm.h> |
41 | #include <linux/pagemap.h> |
42 | #include <linux/rbtree.h> |
43 | #include <linux/rwsem.h> |
44 | #include <linux/wait.h> |
45 | |
46 | #include <linux/sunrpc/debug.h> |
47 | #include <linux/sunrpc/auth.h> |
48 | #include <linux/sunrpc/clnt.h> |
49 | |
50 | #include <linux/nfs.h> |
51 | #include <linux/nfs2.h> |
52 | #include <linux/nfs3.h> |
53 | #include <linux/nfs4.h> |
54 | #include <linux/nfs_xdr.h> |
55 | #include <linux/nfs_fs_sb.h> |
56 | |
57 | #include <linux/mempool.h> |
58 | |
59 | /* |
60 | * These are the default flags for swap requests |
61 | */ |
62 | #define NFS_RPC_SWAPFLAGS (RPC_TASK_SWAPPER|RPC_TASK_ROOTCREDS) |
63 | |
64 | /* |
65 | * NFSv3/v4 Access mode cache entry |
66 | */ |
67 | struct nfs_access_entry { |
68 | struct rb_node rb_node; |
69 | struct list_head lru; |
70 | unsigned long jiffies; |
71 | struct rpc_cred * cred; |
72 | int mask; |
73 | }; |
74 | |
75 | struct nfs4_state; |
76 | struct nfs_open_context { |
77 | atomic_t count; |
78 | struct path path; |
79 | struct rpc_cred *cred; |
80 | struct nfs4_state *state; |
81 | fl_owner_t lockowner; |
82 | fmode_t mode; |
83 | |
84 | unsigned long flags; |
85 | #define NFS_CONTEXT_ERROR_WRITE (0) |
86 | int error; |
87 | |
88 | struct list_head list; |
89 | |
90 | __u64 dir_cookie; |
91 | }; |
92 | |
93 | /* |
94 | * NFSv4 delegation |
95 | */ |
96 | struct nfs_delegation; |
97 | |
98 | struct posix_acl; |
99 | |
100 | /* |
101 | * nfs fs inode data in memory |
102 | */ |
103 | struct nfs_inode { |
104 | /* |
105 | * The 64bit 'inode number' |
106 | */ |
107 | __u64 fileid; |
108 | |
109 | /* |
110 | * NFS file handle |
111 | */ |
112 | struct nfs_fh fh; |
113 | |
114 | /* |
115 | * Various flags |
116 | */ |
117 | unsigned long flags; /* atomic bit ops */ |
118 | unsigned long cache_validity; /* bit mask */ |
119 | |
120 | /* |
121 | * read_cache_jiffies is when we started read-caching this inode. |
122 | * attrtimeo is for how long the cached information is assumed |
123 | * to be valid. A successful attribute revalidation doubles |
124 | * attrtimeo (up to acregmax/acdirmax), a failure resets it to |
125 | * acregmin/acdirmin. |
126 | * |
127 | * We need to revalidate the cached attrs for this inode if |
128 | * |
129 | * jiffies - read_cache_jiffies >= attrtimeo |
130 | * |
131 | * Please note the comparison is greater than or equal |
132 | * so that zero timeout values can be specified. |
133 | */ |
134 | unsigned long read_cache_jiffies; |
135 | unsigned long attrtimeo; |
136 | unsigned long attrtimeo_timestamp; |
137 | __u64 change_attr; /* v4 only */ |
138 | |
139 | unsigned long attr_gencount; |
140 | /* "Generation counter" for the attribute cache. This is |
141 | * bumped whenever we update the metadata on the |
142 | * server. |
143 | */ |
144 | unsigned long cache_change_attribute; |
145 | |
146 | struct rb_root access_cache; |
147 | struct list_head access_cache_entry_lru; |
148 | struct list_head access_cache_inode_lru; |
149 | #ifdef CONFIG_NFS_V3_ACL |
150 | struct posix_acl *acl_access; |
151 | struct posix_acl *acl_default; |
152 | #endif |
153 | |
154 | /* |
155 | * This is the cookie verifier used for NFSv3 readdir |
156 | * operations |
157 | */ |
158 | __be32 cookieverf[2]; |
159 | |
160 | /* |
161 | * This is the list of dirty unwritten pages. |
162 | */ |
163 | struct radix_tree_root nfs_page_tree; |
164 | |
165 | unsigned long npages; |
166 | unsigned long ncommit; |
167 | |
168 | /* Open contexts for shared mmap writes */ |
169 | struct list_head open_files; |
170 | |
171 | /* Number of in-flight sillydelete RPC calls */ |
172 | atomic_t silly_count; |
173 | /* List of deferred sillydelete requests */ |
174 | struct hlist_head silly_list; |
175 | wait_queue_head_t waitqueue; |
176 | |
177 | #ifdef CONFIG_NFS_V4 |
178 | struct nfs4_cached_acl *nfs4_acl; |
179 | /* NFSv4 state */ |
180 | struct list_head open_states; |
181 | struct nfs_delegation *delegation; |
182 | fmode_t delegation_state; |
183 | struct rw_semaphore rwsem; |
184 | #endif /* CONFIG_NFS_V4*/ |
185 | #ifdef CONFIG_NFS_FSCACHE |
186 | struct fscache_cookie *fscache; |
187 | #endif |
188 | struct inode vfs_inode; |
189 | }; |
190 | |
191 | /* |
192 | * Cache validity bit flags |
193 | */ |
194 | #define NFS_INO_INVALID_ATTR 0x0001 /* cached attrs are invalid */ |
195 | #define NFS_INO_INVALID_DATA 0x0002 /* cached data is invalid */ |
196 | #define NFS_INO_INVALID_ATIME 0x0004 /* cached atime is invalid */ |
197 | #define NFS_INO_INVALID_ACCESS 0x0008 /* cached access cred invalid */ |
198 | #define NFS_INO_INVALID_ACL 0x0010 /* cached acls are invalid */ |
199 | #define NFS_INO_REVAL_PAGECACHE 0x0020 /* must revalidate pagecache */ |
200 | #define NFS_INO_REVAL_FORCED 0x0040 /* force revalidation ignoring a delegation */ |
201 | |
202 | /* |
203 | * Bit offsets in flags field |
204 | */ |
205 | #define NFS_INO_ADVISE_RDPLUS (0) /* advise readdirplus */ |
206 | #define NFS_INO_STALE (1) /* possible stale inode */ |
207 | #define NFS_INO_ACL_LRU_SET (2) /* Inode is on the LRU list */ |
208 | #define NFS_INO_MOUNTPOINT (3) /* inode is remote mountpoint */ |
209 | #define NFS_INO_FLUSHING (4) /* inode is flushing out data */ |
210 | #define NFS_INO_FSCACHE (5) /* inode can be cached by FS-Cache */ |
211 | #define NFS_INO_FSCACHE_LOCK (6) /* FS-Cache cookie management lock */ |
212 | #define NFS_INO_COMMIT (7) /* inode is committing unstable writes */ |
213 | |
214 | static inline struct nfs_inode *NFS_I(const struct inode *inode) |
215 | { |
216 | return container_of(inode, struct nfs_inode, vfs_inode); |
217 | } |
218 | |
219 | static inline struct nfs_server *NFS_SB(const struct super_block *s) |
220 | { |
221 | return (struct nfs_server *)(s->s_fs_info); |
222 | } |
223 | |
224 | static inline struct nfs_fh *NFS_FH(const struct inode *inode) |
225 | { |
226 | return &NFS_I(inode)->fh; |
227 | } |
228 | |
229 | static inline struct nfs_server *NFS_SERVER(const struct inode *inode) |
230 | { |
231 | return NFS_SB(inode->i_sb); |
232 | } |
233 | |
234 | static inline struct rpc_clnt *NFS_CLIENT(const struct inode *inode) |
235 | { |
236 | return NFS_SERVER(inode)->client; |
237 | } |
238 | |
239 | static inline const struct nfs_rpc_ops *NFS_PROTO(const struct inode *inode) |
240 | { |
241 | return NFS_SERVER(inode)->nfs_client->rpc_ops; |
242 | } |
243 | |
244 | static inline __be32 *NFS_COOKIEVERF(const struct inode *inode) |
245 | { |
246 | return NFS_I(inode)->cookieverf; |
247 | } |
248 | |
249 | static inline unsigned NFS_MINATTRTIMEO(const struct inode *inode) |
250 | { |
251 | struct nfs_server *nfss = NFS_SERVER(inode); |
252 | return S_ISDIR(inode->i_mode) ? nfss->acdirmin : nfss->acregmin; |
253 | } |
254 | |
255 | static inline unsigned NFS_MAXATTRTIMEO(const struct inode *inode) |
256 | { |
257 | struct nfs_server *nfss = NFS_SERVER(inode); |
258 | return S_ISDIR(inode->i_mode) ? nfss->acdirmax : nfss->acregmax; |
259 | } |
260 | |
261 | static inline int NFS_STALE(const struct inode *inode) |
262 | { |
263 | return test_bit(NFS_INO_STALE, &NFS_I(inode)->flags); |
264 | } |
265 | |
266 | static inline int NFS_FSCACHE(const struct inode *inode) |
267 | { |
268 | return test_bit(NFS_INO_FSCACHE, &NFS_I(inode)->flags); |
269 | } |
270 | |
271 | static inline __u64 NFS_FILEID(const struct inode *inode) |
272 | { |
273 | return NFS_I(inode)->fileid; |
274 | } |
275 | |
276 | static inline void set_nfs_fileid(struct inode *inode, __u64 fileid) |
277 | { |
278 | NFS_I(inode)->fileid = fileid; |
279 | } |
280 | |
281 | static inline void nfs_mark_for_revalidate(struct inode *inode) |
282 | { |
283 | struct nfs_inode *nfsi = NFS_I(inode); |
284 | |
285 | spin_lock(&inode->i_lock); |
286 | nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS; |
287 | if (S_ISDIR(inode->i_mode)) |
288 | nfsi->cache_validity |= NFS_INO_REVAL_PAGECACHE|NFS_INO_INVALID_DATA; |
289 | spin_unlock(&inode->i_lock); |
290 | } |
291 | |
292 | static inline int nfs_server_capable(struct inode *inode, int cap) |
293 | { |
294 | return NFS_SERVER(inode)->caps & cap; |
295 | } |
296 | |
297 | static inline int NFS_USE_READDIRPLUS(struct inode *inode) |
298 | { |
299 | return test_bit(NFS_INO_ADVISE_RDPLUS, &NFS_I(inode)->flags); |
300 | } |
301 | |
302 | static inline void nfs_set_verifier(struct dentry * dentry, unsigned long verf) |
303 | { |
304 | dentry->d_time = verf; |
305 | } |
306 | |
307 | /** |
308 | * nfs_save_change_attribute - Returns the inode attribute change cookie |
309 | * @dir - pointer to parent directory inode |
310 | * The "change attribute" is updated every time we finish an operation |
311 | * that will result in a metadata change on the server. |
312 | */ |
313 | static inline unsigned long nfs_save_change_attribute(struct inode *dir) |
314 | { |
315 | return NFS_I(dir)->cache_change_attribute; |
316 | } |
317 | |
318 | /** |
319 | * nfs_verify_change_attribute - Detects NFS remote directory changes |
320 | * @dir - pointer to parent directory inode |
321 | * @chattr - previously saved change attribute |
322 | * Return "false" if the verifiers doesn't match the change attribute. |
323 | * This would usually indicate that the directory contents have changed on |
324 | * the server, and that any dentries need revalidating. |
325 | */ |
326 | static inline int nfs_verify_change_attribute(struct inode *dir, unsigned long chattr) |
327 | { |
328 | return chattr == NFS_I(dir)->cache_change_attribute; |
329 | } |
330 | |
331 | /* |
332 | * linux/fs/nfs/inode.c |
333 | */ |
334 | extern int nfs_sync_mapping(struct address_space *mapping); |
335 | extern void nfs_zap_mapping(struct inode *inode, struct address_space *mapping); |
336 | extern void nfs_zap_caches(struct inode *); |
337 | extern void nfs_invalidate_atime(struct inode *); |
338 | extern struct inode *nfs_fhget(struct super_block *, struct nfs_fh *, |
339 | struct nfs_fattr *); |
340 | extern int nfs_refresh_inode(struct inode *, struct nfs_fattr *); |
341 | extern int nfs_post_op_update_inode(struct inode *inode, struct nfs_fattr *fattr); |
342 | extern int nfs_post_op_update_inode_force_wcc(struct inode *inode, struct nfs_fattr *fattr); |
343 | extern int nfs_getattr(struct vfsmount *, struct dentry *, struct kstat *); |
344 | extern int nfs_permission(struct inode *, int); |
345 | extern int nfs_open(struct inode *, struct file *); |
346 | extern int nfs_release(struct inode *, struct file *); |
347 | extern int nfs_attribute_timeout(struct inode *inode); |
348 | extern int nfs_revalidate_inode(struct nfs_server *server, struct inode *inode); |
349 | extern int __nfs_revalidate_inode(struct nfs_server *, struct inode *); |
350 | extern int nfs_revalidate_mapping(struct inode *inode, struct address_space *mapping); |
351 | extern int nfs_setattr(struct dentry *, struct iattr *); |
352 | extern void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr); |
353 | extern struct nfs_open_context *get_nfs_open_context(struct nfs_open_context *ctx); |
354 | extern void put_nfs_open_context(struct nfs_open_context *ctx); |
355 | extern struct nfs_open_context *nfs_find_open_context(struct inode *inode, struct rpc_cred *cred, fmode_t mode); |
356 | extern u64 nfs_compat_user_ino64(u64 fileid); |
357 | extern void nfs_fattr_init(struct nfs_fattr *fattr); |
358 | |
359 | /* linux/net/ipv4/ipconfig.c: trims ip addr off front of name, too. */ |
360 | extern __be32 root_nfs_parse_addr(char *name); /*__init*/ |
361 | extern unsigned long nfs_inc_attr_generation_counter(void); |
362 | |
363 | /* |
364 | * linux/fs/nfs/file.c |
365 | */ |
366 | extern const struct inode_operations nfs_file_inode_operations; |
367 | #ifdef CONFIG_NFS_V3 |
368 | extern const struct inode_operations nfs3_file_inode_operations; |
369 | #endif /* CONFIG_NFS_V3 */ |
370 | extern const struct file_operations nfs_file_operations; |
371 | extern const struct address_space_operations nfs_file_aops; |
372 | |
373 | static inline struct nfs_open_context *nfs_file_open_context(struct file *filp) |
374 | { |
375 | return filp->private_data; |
376 | } |
377 | |
378 | static inline struct rpc_cred *nfs_file_cred(struct file *file) |
379 | { |
380 | if (file != NULL) { |
381 | struct nfs_open_context *ctx = |
382 | nfs_file_open_context(file); |
383 | if (ctx) |
384 | return ctx->cred; |
385 | } |
386 | return NULL; |
387 | } |
388 | |
389 | /* |
390 | * linux/fs/nfs/xattr.c |
391 | */ |
392 | #ifdef CONFIG_NFS_V3_ACL |
393 | extern ssize_t nfs3_listxattr(struct dentry *, char *, size_t); |
394 | extern ssize_t nfs3_getxattr(struct dentry *, const char *, void *, size_t); |
395 | extern int nfs3_setxattr(struct dentry *, const char *, |
396 | const void *, size_t, int); |
397 | extern int nfs3_removexattr (struct dentry *, const char *name); |
398 | #else |
399 | # define nfs3_listxattr NULL |
400 | # define nfs3_getxattr NULL |
401 | # define nfs3_setxattr NULL |
402 | # define nfs3_removexattr NULL |
403 | #endif |
404 | |
405 | /* |
406 | * linux/fs/nfs/direct.c |
407 | */ |
408 | extern ssize_t nfs_direct_IO(int, struct kiocb *, const struct iovec *, loff_t, |
409 | unsigned long); |
410 | extern ssize_t nfs_file_direct_read(struct kiocb *iocb, |
411 | const struct iovec *iov, unsigned long nr_segs, |
412 | loff_t pos); |
413 | extern ssize_t nfs_file_direct_write(struct kiocb *iocb, |
414 | const struct iovec *iov, unsigned long nr_segs, |
415 | loff_t pos); |
416 | |
417 | /* |
418 | * linux/fs/nfs/dir.c |
419 | */ |
420 | extern const struct inode_operations nfs_dir_inode_operations; |
421 | #ifdef CONFIG_NFS_V3 |
422 | extern const struct inode_operations nfs3_dir_inode_operations; |
423 | #endif /* CONFIG_NFS_V3 */ |
424 | extern const struct file_operations nfs_dir_operations; |
425 | extern const struct dentry_operations nfs_dentry_operations; |
426 | |
427 | extern void nfs_force_lookup_revalidate(struct inode *dir); |
428 | extern int nfs_instantiate(struct dentry *dentry, struct nfs_fh *fh, struct nfs_fattr *fattr); |
429 | extern int nfs_may_open(struct inode *inode, struct rpc_cred *cred, int openflags); |
430 | extern void nfs_access_zap_cache(struct inode *inode); |
431 | |
432 | /* |
433 | * linux/fs/nfs/symlink.c |
434 | */ |
435 | extern const struct inode_operations nfs_symlink_inode_operations; |
436 | |
437 | /* |
438 | * linux/fs/nfs/sysctl.c |
439 | */ |
440 | #ifdef CONFIG_SYSCTL |
441 | extern int nfs_register_sysctl(void); |
442 | extern void nfs_unregister_sysctl(void); |
443 | #else |
444 | #define nfs_register_sysctl() 0 |
445 | #define nfs_unregister_sysctl() do { } while(0) |
446 | #endif |
447 | |
448 | /* |
449 | * linux/fs/nfs/namespace.c |
450 | */ |
451 | extern const struct inode_operations nfs_mountpoint_inode_operations; |
452 | extern const struct inode_operations nfs_referral_inode_operations; |
453 | extern int nfs_mountpoint_expiry_timeout; |
454 | extern void nfs_release_automount_timer(void); |
455 | |
456 | /* |
457 | * linux/fs/nfs/unlink.c |
458 | */ |
459 | extern int nfs_async_unlink(struct inode *dir, struct dentry *dentry); |
460 | extern void nfs_complete_unlink(struct dentry *dentry, struct inode *); |
461 | extern void nfs_block_sillyrename(struct dentry *dentry); |
462 | extern void nfs_unblock_sillyrename(struct dentry *dentry); |
463 | |
464 | /* |
465 | * linux/fs/nfs/write.c |
466 | */ |
467 | extern int nfs_congestion_kb; |
468 | extern int nfs_writepage(struct page *page, struct writeback_control *wbc); |
469 | extern int nfs_writepages(struct address_space *, struct writeback_control *); |
470 | extern int nfs_flush_incompatible(struct file *file, struct page *page); |
471 | extern int nfs_updatepage(struct file *, struct page *, unsigned int, unsigned int); |
472 | extern int nfs_writeback_done(struct rpc_task *, struct nfs_write_data *); |
473 | |
474 | /* |
475 | * Try to write back everything synchronously (but check the |
476 | * return value!) |
477 | */ |
478 | extern int nfs_wb_all(struct inode *inode); |
479 | extern int nfs_wb_page(struct inode *inode, struct page* page); |
480 | extern int nfs_wb_page_cancel(struct inode *inode, struct page* page); |
481 | #if defined(CONFIG_NFS_V3) || defined(CONFIG_NFS_V4) |
482 | extern struct nfs_write_data *nfs_commitdata_alloc(void); |
483 | extern void nfs_commit_free(struct nfs_write_data *wdata); |
484 | #endif |
485 | |
486 | static inline int |
487 | nfs_have_writebacks(struct inode *inode) |
488 | { |
489 | return NFS_I(inode)->npages != 0; |
490 | } |
491 | |
492 | /* |
493 | * Allocate nfs_write_data structures |
494 | */ |
495 | extern struct nfs_write_data *nfs_writedata_alloc(unsigned int npages); |
496 | extern void nfs_writedata_free(struct nfs_write_data *); |
497 | |
498 | /* |
499 | * linux/fs/nfs/read.c |
500 | */ |
501 | extern int nfs_readpage(struct file *, struct page *); |
502 | extern int nfs_readpages(struct file *, struct address_space *, |
503 | struct list_head *, unsigned); |
504 | extern int nfs_readpage_result(struct rpc_task *, struct nfs_read_data *); |
505 | extern int nfs_readpage_async(struct nfs_open_context *, struct inode *, |
506 | struct page *); |
507 | |
508 | /* |
509 | * Allocate nfs_read_data structures |
510 | */ |
511 | extern struct nfs_read_data *nfs_readdata_alloc(unsigned int npages); |
512 | extern void nfs_readdata_free(struct nfs_read_data *); |
513 | |
514 | /* |
515 | * linux/fs/nfs3proc.c |
516 | */ |
517 | #ifdef CONFIG_NFS_V3_ACL |
518 | extern struct posix_acl *nfs3_proc_getacl(struct inode *inode, int type); |
519 | extern int nfs3_proc_setacl(struct inode *inode, int type, |
520 | struct posix_acl *acl); |
521 | extern int nfs3_proc_set_default_acl(struct inode *dir, struct inode *inode, |
522 | mode_t mode); |
523 | extern void nfs3_forget_cached_acls(struct inode *inode); |
524 | #else |
525 | static inline int nfs3_proc_set_default_acl(struct inode *dir, |
526 | struct inode *inode, |
527 | mode_t mode) |
528 | { |
529 | return 0; |
530 | } |
531 | |
532 | static inline void nfs3_forget_cached_acls(struct inode *inode) |
533 | { |
534 | } |
535 | #endif /* CONFIG_NFS_V3_ACL */ |
536 | |
537 | /* |
538 | * inline functions |
539 | */ |
540 | |
541 | static inline loff_t nfs_size_to_loff_t(__u64 size) |
542 | { |
543 | if (size > (__u64) OFFSET_MAX - 1) |
544 | return OFFSET_MAX - 1; |
545 | return (loff_t) size; |
546 | } |
547 | |
548 | static inline ino_t |
549 | nfs_fileid_to_ino_t(u64 fileid) |
550 | { |
551 | ino_t ino = (ino_t) fileid; |
552 | if (sizeof(ino_t) < sizeof(u64)) |
553 | ino ^= fileid >> (sizeof(u64)-sizeof(ino_t)) * 8; |
554 | return ino; |
555 | } |
556 | |
557 | /* NFS root */ |
558 | |
559 | extern void * nfs_root_data(void); |
560 | |
561 | #define nfs_wait_event(clnt, wq, condition) \ |
562 | ({ \ |
563 | int __retval = wait_event_killable(wq, condition); \ |
564 | __retval; \ |
565 | }) |
566 | |
567 | #define NFS_JUKEBOX_RETRY_TIME (5 * HZ) |
568 | |
569 | #endif /* __KERNEL__ */ |
570 | |
571 | /* |
572 | * NFS debug flags |
573 | */ |
574 | #define NFSDBG_VFS 0x0001 |
575 | #define NFSDBG_DIRCACHE 0x0002 |
576 | #define NFSDBG_LOOKUPCACHE 0x0004 |
577 | #define NFSDBG_PAGECACHE 0x0008 |
578 | #define NFSDBG_PROC 0x0010 |
579 | #define NFSDBG_XDR 0x0020 |
580 | #define NFSDBG_FILE 0x0040 |
581 | #define NFSDBG_ROOT 0x0080 |
582 | #define NFSDBG_CALLBACK 0x0100 |
583 | #define NFSDBG_CLIENT 0x0200 |
584 | #define NFSDBG_MOUNT 0x0400 |
585 | #define NFSDBG_FSCACHE 0x0800 |
586 | #define NFSDBG_ALL 0xFFFF |
587 | |
588 | #ifdef __KERNEL__ |
589 | |
590 | /* |
591 | * Enable debugging support for nfs client. |
592 | * Requires RPC_DEBUG. |
593 | */ |
594 | #ifdef RPC_DEBUG |
595 | # define NFS_DEBUG |
596 | #endif |
597 | |
598 | # undef ifdebug |
599 | # ifdef NFS_DEBUG |
600 | # define ifdebug(fac) if (unlikely(nfs_debug & NFSDBG_##fac)) |
601 | # else |
602 | # define ifdebug(fac) if (0) |
603 | # endif |
604 | #endif /* __KERNEL */ |
605 | |
606 | #endif |
607 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9