[dhowells-fs:fscache-rewrite-indexing 71/75] include/linux/fscache.h:386: undefined reference to `__fscache_resize_cookie'

From: kernel test robot
Date: Fri Oct 15 2021 - 02:21:28 EST

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tree: # make W=1 O=build_dir
If you fix the issue, Reported-by: kernel
All errors (new ones
ld: fs/9p/vfs_inode.o: >> include/linux/fscache.h:386: ld: fs/9p/vfs_inode.o: >> include/linux/fscache.h:305: ld: fs/9p/vfs_inode.o: >> include/linux/fscache.h:269: ld: fs/9p/vfs_inode_dotl.o: >> include/linux/fscache.h:269: ld: fs/9p/vfs_addr.o: >> include/linux/fscache.h:483: ld: fs/9p/vfs_file.o: >> include/linux/fscache.h:269: ld: fs/9p/vfs_dir.o: >> include/linux/fscache.h:286: >> ld: include/linu ld: fs/9p/v9fs.o: >> include/linux/fscache.h:221: ld: fs/9p/cache.o: >> include/linux/fscache.h:202: ld: fs/9p/cache.o: >> include/linux/fscache.h:250:

vim +386 include/linux/fscache.h

7f9fc1ee74adf2 David Howells 2d6fff63703739 David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 2d6fff63703739 David Howells 056daf803e87af David Howells 2d6fff63703739 David Howells 056daf803e87af David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 2d6fff63703739 David Howells 056daf803e87af David Howells 056daf803e87af David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 056daf803e87af David Howells d5c268fc7cd21a David Howells 402cb8dda949d9 David Howells 402cb8dda949d9 David Howells 402cb8dda949d9 David Howells 402cb8dda949d9 David Howells ee1235a9a06813 David Howells 2d6fff63703739 David Howells 056daf803e87af David Howells 2d6fff63703739 David Howells efc930fa1d8448 Mauro 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 056daf803e87af David Howells d5c268fc7cd21a David Howells 402cb8dda949d9 David Howells 402cb8dda949d9 David Howells 402cb8dda949d9 David Howells 402cb8dda949d9 David Howells 056daf803e87af David Howells 2d6fff63703739 David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 402cb8dda949d9 David Howells 402cb8dda949d9 David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 056daf803e87af David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 056daf803e87af David Howells 2d6fff63703739 David Howells efc930fa1d8448 Mauro 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 056daf803e87af David Howells 2d6fff63703739 David Howells ccc4fc3d11e914 David Howells 056daf803e87af David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 423c447e7489a3 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 402cb8dda949d9 David Howells 056daf803e87af David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 402cb8dda949d9 David Howells 056daf803e87af David Howells 056daf803e87af David Howells 2d6fff63703739 David Howells efc930fa1d8448 Mauro 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 056daf803e87af David Howells 056daf803e87af David Howells 2d6fff63703739 David Howells b4a0c0e0a13cea Jeff Layton 056daf803e87af David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 9d8038c4821d31 David Howells 9d8038c4821d31 David Howells 9d8038c4821d31 David Howells 9d8038c4821d31 David Howells 9d8038c4821d31 David Howells 9d8038c4821d31 David Howells 9d8038c4821d31 David Howells 9d8038c4821d31 David Howells 9d8038c4821d31 David Howells 9d8038c4821d31 David Howells 9d8038c4821d31 David Howells 9d8038c4821d31 David Howells 9d8038c4821d31 David Howells 9d8038c4821d31 David Howells 9d8038c4821d31 David Howells 9d8038c4821d31 David Howells 9d8038c4821d31 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells efc930fa1d8448 Mauro 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells efc930fa1d8448 Mauro 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells 2d6fff63703739 David Howells ef778e7ae67cd4 David Howells ef778e7ae67cd4 David Howells ef778e7ae67cd4 David Howells d8d6f8e68e17cd David Howells 6b97c8850f9876 David Howells d8d6f8e68e17cd David Howells ef778e7ae67cd4 David Howells ef778e7ae67cd4 David Howells ef778e7ae67cd4 David Howells ef778e7ae67cd4 David Howells ef778e7ae67cd4 David Howells d8d6f8e68e17cd David Howells d8d6f8e68e17cd David Howells d8d6f8e68e17cd David Howells d8d6f8e68e17cd David Howells d8d6f8e68e17cd David Howells d8d6f8e68e17cd David Howells ef778e7ae67cd4 David Howells efc930fa1d8448 Mauro ef778e7ae67cd4 David Howells ef778e7ae67cd4 David Howells ef778e7ae67cd4 David Howells d8d6f8e68e17cd David Howells d8d6f8e68e17cd David Howells ef778e7ae67cd4 David Howells b4a0c0e0a13cea Jeff Layton d8d6f8e68e17cd David Howells ef778e7ae67cd4 David Howells ef778e7ae67cd4 David Howells ef778e7ae67cd4 David Howells 056daf803e87af David Howells 056daf803e87af David Howells ef778e7ae67cd4 David Howells 056daf803e87af David Howells ef778e7ae67cd4 David Howells ef778e7ae67cd4 David Howells 056daf803e87af David Howells ef778e7ae67cd4 David Howells 056daf803e87af David Howells ef778e7ae67cd4 David Howells ef778e7ae67cd4 David Howells 26aaeffcafe6cb David Howells 26aaeffcafe6cb David Howells 26aaeffcafe6cb David Howells 26aaeffcafe6cb David Howells a2872465a68c9b David Howells 26aaeffcafe6cb David Howells 26aaeffcafe6cb David Howells a2872465a68c9b David Howells a2872465a68c9b David Howells a2872465a68c9b David Howells 26aaeffcafe6cb David Howells 26aaeffcafe6cb David Howells 26aaeffcafe6cb David Howells 26aaeffcafe6cb David Howells 26aaeffcafe6cb David Howells 26aaeffcafe6cb David Howells 26aaeffcafe6cb David Howells 26aaeffcafe6cb David Howells 26aaeffcafe6cb David Howells 26aaeffcafe6cb David Howells a2872465a68c9b David Howells 26aaeffcafe6cb David Howells 26aaeffcafe6cb David Howells b4a0c0e0a13cea Jeff Layton 056daf803e87af David Howells 26aaeffcafe6cb David Howells 26aaeffcafe6cb David Howells 26aaeffcafe6cb David Howells
:::::: The code at :::::: 9d8038c4821d31fb8928f
:::::: TO: David Howells :::::: CC: David Howells
---
0-DAY CI Kernel Test Attachment: Description: application/gzip Miquel Raynal: "Re: [PATCH 0/3] mtd: core: protect access to mtd devices while in suspend" message: Vinod Koul: "Re: [PATCH] arm64: defconfig: Enable Qualcomm prima/pronto drivers" sorted by: [ date ] [ thread ] [ subject ] [ author ] href="https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git">https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git fscache-rewrite-indexing
b3cf688974c24de90fa9
4392066f00da252797d0 [71/75] 9p: Use fscache indexing rewrite and reenable caching
(attached as .config)
9.3.0-22) 9.3.0
href="https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/commit/?id=8a43aeca4686a1f00f184392066f00da252797d0">https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/commit/?id=8a43aeca4686a1f00f184392066f00da252797d0
rel="nofollow" href="https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git">https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git
dhowells-fs fscache-rewrite-indexing
8a43aeca4686a1f00f184392066f00da252797d0
attached .config to linux build tree
ARCH=i386 SHELL=/bin/bash
kindly add following tag as appropriate
test robot <lkp@xxxxxxxxx>
prefixed by >>):
in function `fscache_resize_cookie':
undefined reference to `__fscache_resize_cookie'
in function `fscache_relinquish_cookie':
undefined reference to `__fscache_relinquish_cookie'
in function `fscache_use_cookie':
undefined reference to `__fscache_use_cookie'
in function `fscache_use_cookie':
undefined reference to `__fscache_use_cookie'
in function `fscache_begin_read_operation':
undefined reference to `__fscache_begin_read_operation'
in function `fscache_use_cookie':
undefined reference to `__fscache_use_cookie'
in function `fscache_unuse_cookie':
undefined reference to `__fscache_unuse_cookie'
x/fscache.h:286: undefined reference to `__fscache_unuse_cookie'
in function `fscache_relinquish_volume':
undefined reference to `__fscache_relinquish_volume'
in function `fscache_acquire_volume':
undefined reference to `__fscache_acquire_volume'
in function `fscache_acquire_cookie':
undefined reference to `__fscache_acquire_cookie'
2020-09-22 183
2009-04-03 184 /**
2020-02-06 185 * fscache_acquire_volume - Register a volume as desiring caching services
2020-02-06 186 * @volume_key: An identification string for the volume
2020-02-06 187 * @cache_name: The name of the cache to use (or NULL for the default)
2020-02-06 188 * @coherency_data: Piece of arbitrary coherency data to check
2020-02-06 189 *
2020-02-06 190 * Register a volume as desiring caching services if they're available. The
2020-02-06 191 * caller must provide an identifier for the volume and may also indicate which
2020-02-06 192 * cache it should be in. If a preexisting volume entry is found in the cache,
2020-02-06 193 * the coherency data must match otherwise the entry will be invalidated.
2009-04-03 194 */
2009-04-03 195 static inline
2020-02-06 196 struct fscache_volume *fscache_acquire_volume(const char *volume_key,
2020-02-06 197 const char *cache_name,
2020-02-06 198 u64 coherency_data)
2009-04-03 199 {
2020-02-06 200 if (!fscache_available())
2009-04-03 201 return NULL;
2020-02-06 @202 return __fscache_acquire_volume(volume_key, cache_name, coherency_data);
2009-04-03 203 }
2009-04-03 204
2009-04-03 205 /**
2020-02-06 206 * fscache_relinquish_volume - Cease caching a volume
2020-02-06 207 * @volume: The volume cookie
2020-02-06 208 * @coherency_data: Piece of arbitrary coherency data to set
2020-02-06 209 * @invalidate: True if the volume should be invalidated
2020-02-06 210 *
2020-02-06 211 * Indicate that a filesystem no longer desires caching services for a volume.
2020-02-06 212 * The caller must have relinquished all file cookies prior to calling this.
2020-02-06 213 * The coherency data stored is updated.
2009-04-03 214 */
2009-04-03 215 static inline
2020-02-06 216 void fscache_relinquish_volume(struct fscache_volume *volume,
2020-02-06 217 u64 coherency_data,
2020-02-06 218 bool invalidate)
2009-04-03 219 {
2020-02-06 220 if (fscache_volume_valid(volume))
2020-02-06 @221 __fscache_relinquish_volume(volume, coherency_data, invalidate);
2009-04-03 222 }
2009-04-03 223
2009-04-03 224 /**
2009-04-03 225 * fscache_acquire_cookie - Acquire a cookie to represent a cache object
2020-02-06 226 * @volume: The volume in which to locate/create this cookie
2020-02-06 227 * @advice: Advice flags (FSCACHE_COOKIE_ADV_*)
2018-04-04 228 * @index_key: The index key for this cookie
2018-04-04 229 * @index_key_len: Size of the index key
2018-04-04 230 * @aux_data: The auxiliary data for the cookie (may be NULL)
2018-04-04 231 * @aux_data_len: Size of the auxiliary data buffer
2018-04-04 232 * @object_size: The initial size of object
2009-04-03 233 *
2020-02-06 234 * Acquire a cookie to represent a data file within the given cache volume.
2009-04-03 235 *
Carvalho Chehab 2020-04-27 236 * See Documentation/filesystems/caching/netfs-api.rst for a complete
2009-04-03 237 * description.
2009-04-03 238 */
2009-04-03 239 static inline
2020-02-06 240 struct fscache_cookie *fscache_acquire_cookie(struct fscache_volume *volume,
2020-02-06 241 u8 advice,
2018-04-04 242 const void *index_key,
2018-04-04 243 size_t index_key_len,
2018-04-04 244 const void *aux_data,
2018-04-04 245 size_t aux_data_len,
2020-02-06 246 loff_t object_size)
2009-04-03 247 {
2020-02-06 248 if (!fscache_volume_valid(volume))
2020-02-06 249 return NULL;
2020-02-06 @250 return __fscache_acquire_cookie(volume, advice,
2018-04-04 251 index_key, index_key_len,
2018-04-04 252 aux_data, aux_data_len,
2020-02-06 253 object_size);
2020-02-06 254 }
2020-02-06 255
2020-02-06 256 /**
2020-02-06 257 * fscache_use_cookie - Request usage of cookie attached to an object
2020-02-06 258 * @object: Object description
2020-02-06 259 * @will_modify: If cache is expected to be modified locally
2020-02-06 260 *
2020-02-06 261 * Request usage of the cookie attached to an object. The caller should tell
2020-02-06 262 * the cache if the object's contents are about to be modified locally and then
2020-02-06 263 * the cache can apply the policy that has been set to handle this case.
2020-02-06 264 */
2020-02-06 265 static inline void fscache_use_cookie(struct fscache_cookie *cookie,
2020-02-06 266 bool will_modify)
2020-02-06 267 {
2020-02-06 268 if (fscache_cookie_valid(cookie))
2020-02-06 @269 __fscache_use_cookie(cookie, will_modify);
2020-02-06 270 }
2020-02-06 271
2020-02-06 272 /**
2020-02-06 273 * fscache_unuse_cookie - Cease usage of cookie attached to an object
2020-02-06 274 * @object: Object description
2020-02-06 275 * @aux_data: Updated auxiliary data (or NULL)
2020-02-06 276 * @object_size: Revised size of the object (or NULL)
2020-02-06 277 *
2020-02-06 278 * Cease usage of the cookie attached to an object. When the users count
2020-02-06 279 * reaches zero then the cookie relinquishment will be permitted to proceed.
2020-02-06 280 */
2020-02-06 281 static inline void fscache_unuse_cookie(struct fscache_cookie *cookie,
2020-02-06 282 const void *aux_data,
2020-02-06 283 const loff_t *object_size)
2020-02-06 284 {
2020-02-06 285 if (fscache_cookie_valid(cookie))
2020-02-06 @286 __fscache_unuse_cookie(cookie, aux_data, object_size);
2009-04-03 287 }
2009-04-03 288
2009-04-03 289 /**
2009-04-03 290 * fscache_relinquish_cookie - Return the cookie to the cache, maybe discarding
2009-04-03 291 * it
2009-04-03 292 * @cookie: The cookie being returned
2009-04-03 293 * @retire: True if the cache object the cookie represents is to be discarded
2009-04-03 294 *
2009-04-03 295 * This function returns a cookie to the cache, forcibly discarding the
2020-02-06 296 * associated cache object if retire is set to true.
2009-04-03 297 *
Carvalho Chehab 2020-04-27 298 * See Documentation/filesystems/caching/netfs-api.rst for a complete
2009-04-03 299 * description.
2009-04-03 300 */
2009-04-03 301 static inline
2020-02-06 302 void fscache_relinquish_cookie(struct fscache_cookie *cookie, bool retire)
2009-04-03 303 {
2009-04-03 304 if (fscache_cookie_valid(cookie))
2020-02-06 @305 __fscache_relinquish_cookie(cookie, retire);
2009-04-03 306 }
2009-04-03 307
2020-11-25 308 /*
2020-11-25 309 * Find the auxiliary data on a cookie.
2020-11-25 310 */
2020-11-25 311 static inline void *fscache_get_aux(struct fscache_cookie *cookie)
2020-11-25 312 {
2020-11-25 313 if (cookie->aux_len <= sizeof(cookie->inline_aux))
2020-11-25 314 return cookie->inline_aux;
2020-11-25 315 else
2020-11-25 316 return cookie->aux;
2020-11-25 317 }
2020-11-25 318
2020-11-25 319 /*
2020-11-25 320 * Update the auxiliary data on a cookie.
2020-11-25 321 */
2020-11-25 322 static inline
2020-11-25 323 void fscache_update_aux(struct fscache_cookie *cookie,
2020-11-25 324 const void *aux_data, const loff_t *object_size)
2020-11-25 325 {
2020-11-25 326 void *p = fscache_get_aux(cookie);
2020-11-25 327
2020-11-25 328 if (aux_data && p)
2020-11-25 329 memcpy(p, aux_data, cookie->aux_len);
2020-11-25 330 if (object_size)
2020-11-25 331 cookie->object_size = *object_size;
2020-11-25 332 }
2020-11-25 333
2020-11-25 334 #ifdef CONFIG_FSCACHE_STATS
2020-11-25 335 extern atomic_t fscache_n_updates;
2020-11-25 336 #endif
2020-11-25 337
2020-11-25 338 static inline
2020-11-25 339 void __fscache_update_cookie(struct fscache_cookie *cookie, const void *aux_data,
2020-11-25 340 const loff_t *object_size)
2020-11-25 341 {
2020-11-25 342 #ifdef CONFIG_FSCACHE_STATS
2020-11-25 343 atomic_inc(&fscache_n_updates);
2020-11-25 344 #endif
2020-11-25 345 fscache_update_aux(cookie, aux_data, object_size);
2020-11-25 346 smp_wmb();
2020-11-25 347 set_bit(FSCACHE_COOKIE_NEEDS_UPDATE, &cookie->flags);
2020-11-25 348 }
2020-11-25 349
2009-04-03 350 /**
2009-04-03 351 * fscache_update_cookie - Request that a cache object be updated
2009-04-03 352 * @cookie: The cookie representing the cache object
2018-04-04 353 * @aux_data: The updated auxiliary data for the cookie (may be NULL)
2020-02-06 354 * @object_size: The current size of the object (may be NULL)
2009-04-03 355 *
2009-04-03 356 * Request an update of the index data for the cache object associated with the
2018-04-04 357 * cookie. The auxiliary data on the cookie will be updated first if @aux_data
2020-02-06 358 * is set and the object size will be updated and the object possibly trimmed
2020-02-06 359 * if @object_size is set.
2009-04-03 360 *
Carvalho Chehab 2020-04-27 361 * See Documentation/filesystems/caching/netfs-api.rst for a complete
2009-04-03 362 * description.
2009-04-03 363 */
2009-04-03 364 static inline
2020-02-06 365 void fscache_update_cookie(struct fscache_cookie *cookie, const void *aux_data,
2020-02-06 366 const loff_t *object_size)
2009-04-03 367 {
2020-07-30 368 if (fscache_cookie_enabled(cookie))
2020-02-06 369 __fscache_update_cookie(cookie, aux_data, object_size);
2009-04-03 370 }
2009-04-03 371
2020-02-06 372 /**
2020-02-06 373 * fscache_resize_cookie - Request that a cache object be resized
2020-02-06 374 * @cookie: The cookie representing the cache object
2020-02-06 375 * @new_size: The new size of the object (may be NULL)
2020-02-06 376 *
2020-02-06 377 * Request that the size of an object be changed.
2020-02-06 378 *
2020-02-06 379 * See Documentation/filesystems/caching/netfs-api.txt for a complete
2020-02-06 380 * description.
2020-02-06 381 */
2020-02-06 382 static inline
2020-02-06 383 void fscache_resize_cookie(struct fscache_cookie *cookie, loff_t new_size)
2020-02-06 384 {
2020-02-06 385 if (fscache_cookie_enabled(cookie))
2020-02-06 @386 __fscache_resize_cookie(cookie, new_size);
2020-02-06 387 }
2020-02-06 388
2009-04-03 389 /**
2009-04-03 390 * fscache_pin_cookie - Pin a data-storage cache object in its cache
2009-04-03 391 * @cookie: The cookie representing the cache object
2009-04-03 392 *
2009-04-03 393 * Permit data-storage cache objects to be pinned in the cache.
2009-04-03 394 *
Carvalho Chehab 2020-04-27 395 * See Documentation/filesystems/caching/netfs-api.rst for a complete
2009-04-03 396 * description.
2009-04-03 397 */
2009-04-03 398 static inline
2009-04-03 399 int fscache_pin_cookie(struct fscache_cookie *cookie)
2009-04-03 400 {
2009-04-03 401 return -ENOBUFS;
2009-04-03 402 }
2009-04-03 403
2009-04-03 404 /**
2009-04-03 405 * fscache_pin_cookie - Unpin a data-storage cache object in its cache
2009-04-03 406 * @cookie: The cookie representing the cache object
2009-04-03 407 *
2009-04-03 408 * Permit data-storage cache objects to be unpinned from the cache.
2009-04-03 409 *
Carvalho Chehab 2020-04-27 410 * See Documentation/filesystems/caching/netfs-api.rst for a complete
2009-04-03 411 * description.
2009-04-03 412 */
2009-04-03 413 static inline
2009-04-03 414 void fscache_unpin_cookie(struct fscache_cookie *cookie)
2009-04-03 415 {
2009-04-03 416 }
2009-04-03 417
2012-12-20 418 /**
2012-12-20 419 * fscache_invalidate - Notify cache that an object needs invalidation
2012-12-20 420 * @cookie: The cookie representing the cache object
2020-02-06 421 * @aux_data: The updated auxiliary data for the cookie (may be NULL)
2021-10-04 422 * @size: The revised size of the object.
2020-02-06 423 * @flags: Invalidation flags (FSCACHE_INVAL_*)
2012-12-20 424 *
2012-12-20 425 * Notify the cache that an object is needs to be invalidated and that it
2012-12-20 426 * should abort any retrievals or stores it is doing on the cache. The object
2012-12-20 427 * is then marked non-caching until such time as the invalidation is complete.
2012-12-20 428 *
2020-02-06 429 * FSCACHE_INVAL_LIGHT indicates that if the object has been invalidated and
2020-02-06 430 * replaced by a temporary object, the temporary object need not be replaced
2020-02-06 431 * again. This is primarily intended for use with FSCACHE_ADV_SINGLE_CHUNK.
2020-02-06 432 *
2020-02-06 433 * FSCACHE_INVAL_DIO_WRITE indicates that this is due to a direct I/O write and
2020-02-06 434 * may cause caching to be suspended on this cookie.
2012-12-20 435 *
Carvalho Chehab 2020-04-27 436 * See Documentation/filesystems/caching/netfs-api.rst for a complete
2012-12-20 437 * description.
2012-12-20 438 */
2012-12-20 439 static inline
2020-02-06 440 void fscache_invalidate(struct fscache_cookie *cookie,
2020-02-06 441 const void *aux_data, loff_t size, unsigned int flags)
2012-12-20 442 {
2020-07-30 443 if (fscache_cookie_enabled(cookie))
2020-02-06 444 __fscache_invalidate(cookie, aux_data, size, flags);
2012-12-20 445 }
2012-12-20 446
2012-12-20 447 /**
2020-02-06 448 * fscache_operation_valid - Return true if operations resources are usable
2020-02-06 449 * @cres: The resources to check.
2012-12-20 450 *
2020-02-06 451 * Returns a pointer to the operations table if usable or NULL if not.
2012-12-20 452 */
2012-12-20 453 static inline
2020-02-06 454 const struct netfs_cache_ops *fscache_operation_valid(const struct netfs_cache_resources *cres)
2012-12-20 455 {
2020-02-06 456 return fscache_resources_valid(cres) ? cres->ops : NULL;
2012-12-20 457 }
2012-12-20 458
2021-02-22 459 #ifdef FSCACHE_USE_NEW_IO_API
2021-02-22 460
2021-02-22 461 /**
2021-02-22 462 * fscache_begin_read_operation - Begin a read operation for the netfs lib
2021-09-14 463 * @cres: The cache resources for the read being performed
2021-02-22 464 * @cookie: The cookie representing the cache object
2021-02-22 465 *
2021-09-14 466 * Begin a read operation on behalf of the netfs helper library. @cres
2021-09-14 467 * indicates the cache resources to which the operation state should be
2021-09-14 468 * attached; @cookie indicates the cache object that will be accessed.
2021-02-22 469 *
2021-02-22 470 * This is intended to be called from the ->begin_cache_operation() netfs lib
2021-02-22 471 * operation as implemented by the network filesystem.
2021-02-22 472 *
2021-02-22 473 * Returns:
2021-02-22 474 * * 0 - Success
2021-02-22 475 * * -ENOBUFS - No caching available
2021-02-22 476 * * Other error code from the cache, such as -ENOMEM.
2021-02-22 477 */
2021-02-22 478 static inline
2021-09-14 479 int fscache_begin_read_operation(struct netfs_cache_resources *cres,
2021-02-22 480 struct fscache_cookie *cookie)
2021-02-22 481 {
2020-07-30 482 if (fscache_cookie_enabled(cookie))
2020-02-06 @483 return __fscache_begin_read_operation(cres, cookie);
2021-02-22 484 return -ENOBUFS;
2021-02-22 485 }
2021-02-22 486
line 386 was first introduced by commit
85f9f708ae7e831b775 fscache: Provide resize operation
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<dhowells@xxxxxxxxxx>
Service, Intel Corporation
href="https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx">https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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