diff options
| author | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2008-12-29 00:47:18 -0500 |
|---|---|---|
| committer | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2008-12-29 00:47:18 -0500 |
| commit | 0a8c5395f90f06d128247844b2515c8bf3f2826b (patch) | |
| tree | d95382dcdfa303b99d480c01763d6cb6767fdaca /include/linux/blktrace_api.h | |
| parent | 25051158bbed127e8672b43396c71c5eb610e5f1 (diff) | |
| parent | 3c92ec8ae91ecf59d88c798301833d7cf83f2179 (diff) | |
[XFS] Fix merge failures
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
fs/xfs/linux-2.6/xfs_cred.h
fs/xfs/linux-2.6/xfs_globals.h
fs/xfs/linux-2.6/xfs_ioctl.c
fs/xfs/xfs_vnodeops.h
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Diffstat (limited to 'include/linux/blktrace_api.h')
| -rw-r--r-- | include/linux/blktrace_api.h | 172 |
1 files changed, 3 insertions, 169 deletions
diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h index bdf505d33e77..1dba3493d520 100644 --- a/include/linux/blktrace_api.h +++ b/include/linux/blktrace_api.h | |||
| @@ -160,7 +160,6 @@ struct blk_trace { | |||
| 160 | 160 | ||
| 161 | extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *); | 161 | extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *); |
| 162 | extern void blk_trace_shutdown(struct request_queue *); | 162 | extern void blk_trace_shutdown(struct request_queue *); |
| 163 | extern void __blk_add_trace(struct blk_trace *, sector_t, int, int, u32, int, int, void *); | ||
| 164 | extern int do_blk_trace_setup(struct request_queue *q, | 163 | extern int do_blk_trace_setup(struct request_queue *q, |
| 165 | char *name, dev_t dev, struct blk_user_trace_setup *buts); | 164 | char *name, dev_t dev, struct blk_user_trace_setup *buts); |
| 166 | extern void __trace_note_message(struct blk_trace *, const char *fmt, ...); | 165 | extern void __trace_note_message(struct blk_trace *, const char *fmt, ...); |
| @@ -186,168 +185,8 @@ extern void __trace_note_message(struct blk_trace *, const char *fmt, ...); | |||
| 186 | } while (0) | 185 | } while (0) |
| 187 | #define BLK_TN_MAX_MSG 128 | 186 | #define BLK_TN_MAX_MSG 128 |
| 188 | 187 | ||
| 189 | /** | 188 | extern void blk_add_driver_data(struct request_queue *q, struct request *rq, |
| 190 | * blk_add_trace_rq - Add a trace for a request oriented action | 189 | void *data, size_t len); |
| 191 | * @q: queue the io is for | ||
| 192 | * @rq: the source request | ||
| 193 | * @what: the action | ||
| 194 | * | ||
| 195 | * Description: | ||
| 196 | * Records an action against a request. Will log the bio offset + size. | ||
| 197 | * | ||
| 198 | **/ | ||
| 199 | static inline void blk_add_trace_rq(struct request_queue *q, struct request *rq, | ||
| 200 | u32 what) | ||
| 201 | { | ||
| 202 | struct blk_trace *bt = q->blk_trace; | ||
| 203 | int rw = rq->cmd_flags & 0x03; | ||
| 204 | |||
| 205 | if (likely(!bt)) | ||
| 206 | return; | ||
| 207 | |||
| 208 | if (blk_discard_rq(rq)) | ||
| 209 | rw |= (1 << BIO_RW_DISCARD); | ||
| 210 | |||
| 211 | if (blk_pc_request(rq)) { | ||
| 212 | what |= BLK_TC_ACT(BLK_TC_PC); | ||
| 213 | __blk_add_trace(bt, 0, rq->data_len, rw, what, rq->errors, sizeof(rq->cmd), rq->cmd); | ||
| 214 | } else { | ||
| 215 | what |= BLK_TC_ACT(BLK_TC_FS); | ||
| 216 | __blk_add_trace(bt, rq->hard_sector, rq->hard_nr_sectors << 9, rw, what, rq->errors, 0, NULL); | ||
| 217 | } | ||
| 218 | } | ||
| 219 | |||
| 220 | /** | ||
| 221 | * blk_add_trace_bio - Add a trace for a bio oriented action | ||
| 222 | * @q: queue the io is for | ||
| 223 | * @bio: the source bio | ||
| 224 | * @what: the action | ||
| 225 | * | ||
| 226 | * Description: | ||
| 227 | * Records an action against a bio. Will log the bio offset + size. | ||
| 228 | * | ||
| 229 | **/ | ||
| 230 | static inline void blk_add_trace_bio(struct request_queue *q, struct bio *bio, | ||
| 231 | u32 what) | ||
| 232 | { | ||
| 233 | struct blk_trace *bt = q->blk_trace; | ||
| 234 | |||
| 235 | if (likely(!bt)) | ||
| 236 | return; | ||
| 237 | |||
| 238 | __blk_add_trace(bt, bio->bi_sector, bio->bi_size, bio->bi_rw, what, !bio_flagged(bio, BIO_UPTODATE), 0, NULL); | ||
| 239 | } | ||
| 240 | |||
| 241 | /** | ||
| 242 | * blk_add_trace_generic - Add a trace for a generic action | ||
| 243 | * @q: queue the io is for | ||
| 244 | * @bio: the source bio | ||
| 245 | * @rw: the data direction | ||
| 246 | * @what: the action | ||
| 247 | * | ||
| 248 | * Description: | ||
| 249 | * Records a simple trace | ||
| 250 | * | ||
| 251 | **/ | ||
| 252 | static inline void blk_add_trace_generic(struct request_queue *q, | ||
| 253 | struct bio *bio, int rw, u32 what) | ||
| 254 | { | ||
| 255 | struct blk_trace *bt = q->blk_trace; | ||
| 256 | |||
| 257 | if (likely(!bt)) | ||
| 258 | return; | ||
| 259 | |||
| 260 | if (bio) | ||
| 261 | blk_add_trace_bio(q, bio, what); | ||
| 262 | else | ||
| 263 | __blk_add_trace(bt, 0, 0, rw, what, 0, 0, NULL); | ||
| 264 | } | ||
| 265 | |||
| 266 | /** | ||
| 267 | * blk_add_trace_pdu_int - Add a trace for a bio with an integer payload | ||
| 268 | * @q: queue the io is for | ||
| 269 | * @what: the action | ||
| 270 | * @bio: the source bio | ||
| 271 | * @pdu: the integer payload | ||
| 272 | * | ||
| 273 | * Description: | ||
| 274 | * Adds a trace with some integer payload. This might be an unplug | ||
| 275 | * option given as the action, with the depth at unplug time given | ||
| 276 | * as the payload | ||
| 277 | * | ||
| 278 | **/ | ||
| 279 | static inline void blk_add_trace_pdu_int(struct request_queue *q, u32 what, | ||
| 280 | struct bio *bio, unsigned int pdu) | ||
| 281 | { | ||
| 282 | struct blk_trace *bt = q->blk_trace; | ||
| 283 | __be64 rpdu = cpu_to_be64(pdu); | ||
| 284 | |||
| 285 | if (likely(!bt)) | ||
| 286 | return; | ||
| 287 | |||
| 288 | if (bio) | ||
| 289 | __blk_add_trace(bt, bio->bi_sector, bio->bi_size, bio->bi_rw, what, !bio_flagged(bio, BIO_UPTODATE), sizeof(rpdu), &rpdu); | ||
| 290 | else | ||
| 291 | __blk_add_trace(bt, 0, 0, 0, what, 0, sizeof(rpdu), &rpdu); | ||
| 292 | } | ||
| 293 | |||
| 294 | /** | ||
| 295 | * blk_add_trace_remap - Add a trace for a remap operation | ||
| 296 | * @q: queue the io is for | ||
| 297 | * @bio: the source bio | ||
| 298 | * @dev: target device | ||
| 299 | * @from: source sector | ||
| 300 | * @to: target sector | ||
| 301 | * | ||
| 302 | * Description: | ||
| 303 | * Device mapper or raid target sometimes need to split a bio because | ||
| 304 | * it spans a stripe (or similar). Add a trace for that action. | ||
| 305 | * | ||
| 306 | **/ | ||
| 307 | static inline void blk_add_trace_remap(struct request_queue *q, struct bio *bio, | ||
| 308 | dev_t dev, sector_t from, sector_t to) | ||
| 309 | { | ||
| 310 | struct blk_trace *bt = q->blk_trace; | ||
| 311 | struct blk_io_trace_remap r; | ||
| 312 | |||
| 313 | if (likely(!bt)) | ||
| 314 | return; | ||
| 315 | |||
| 316 | r.device = cpu_to_be32(dev); | ||
| 317 | r.device_from = cpu_to_be32(bio->bi_bdev->bd_dev); | ||
| 318 | r.sector = cpu_to_be64(to); | ||
| 319 | |||
| 320 | __blk_add_trace(bt, from, bio->bi_size, bio->bi_rw, BLK_TA_REMAP, !bio_flagged(bio, BIO_UPTODATE), sizeof(r), &r); | ||
| 321 | } | ||
| 322 | |||
| 323 | /** | ||
| 324 | * blk_add_driver_data - Add binary message with driver-specific data | ||
| 325 | * @q: queue the io is for | ||
| 326 | * @rq: io request | ||
| 327 | * @data: driver-specific data | ||
| 328 | * @len: length of driver-specific data | ||
| 329 | * | ||
| 330 | * Description: | ||
| 331 | * Some drivers might want to write driver-specific data per request. | ||
| 332 | * | ||
| 333 | **/ | ||
| 334 | static inline void blk_add_driver_data(struct request_queue *q, | ||
| 335 | struct request *rq, | ||
| 336 | void *data, size_t len) | ||
| 337 | { | ||
| 338 | struct blk_trace *bt = q->blk_trace; | ||
| 339 | |||
| 340 | if (likely(!bt)) | ||
| 341 | return; | ||
| 342 | |||
| 343 | if (blk_pc_request(rq)) | ||
| 344 | __blk_add_trace(bt, 0, rq->data_len, 0, BLK_TA_DRV_DATA, | ||
| 345 | rq->errors, len, data); | ||
| 346 | else | ||
| 347 | __blk_add_trace(bt, rq->hard_sector, rq->hard_nr_sectors << 9, | ||
| 348 | 0, BLK_TA_DRV_DATA, rq->errors, len, data); | ||
| 349 | } | ||
| 350 | |||
| 351 | extern int blk_trace_setup(struct request_queue *q, char *name, dev_t dev, | 190 | extern int blk_trace_setup(struct request_queue *q, char *name, dev_t dev, |
| 352 | char __user *arg); | 191 | char __user *arg); |
| 353 | extern int blk_trace_startstop(struct request_queue *q, int start); | 192 | extern int blk_trace_startstop(struct request_queue *q, int start); |
| @@ -356,13 +195,8 @@ extern int blk_trace_remove(struct request_queue *q); | |||
| 356 | #else /* !CONFIG_BLK_DEV_IO_TRACE */ | 195 | #else /* !CONFIG_BLK_DEV_IO_TRACE */ |
| 357 | #define blk_trace_ioctl(bdev, cmd, arg) (-ENOTTY) | 196 | #define blk_trace_ioctl(bdev, cmd, arg) (-ENOTTY) |
| 358 | #define blk_trace_shutdown(q) do { } while (0) | 197 | #define blk_trace_shutdown(q) do { } while (0) |
| 359 | #define blk_add_trace_rq(q, rq, what) do { } while (0) | ||
| 360 | #define blk_add_trace_bio(q, rq, what) do { } while (0) | ||
| 361 | #define blk_add_trace_generic(q, rq, rw, what) do { } while (0) | ||
| 362 | #define blk_add_trace_pdu_int(q, what, bio, pdu) do { } while (0) | ||
| 363 | #define blk_add_trace_remap(q, bio, dev, f, t) do {} while (0) | ||
| 364 | #define blk_add_driver_data(q, rq, data, len) do {} while (0) | ||
| 365 | #define do_blk_trace_setup(q, name, dev, buts) (-ENOTTY) | 198 | #define do_blk_trace_setup(q, name, dev, buts) (-ENOTTY) |
| 199 | #define blk_add_driver_data(q, rq, data, len) do {} while (0) | ||
| 366 | #define blk_trace_setup(q, name, dev, arg) (-ENOTTY) | 200 | #define blk_trace_setup(q, name, dev, arg) (-ENOTTY) |
| 367 | #define blk_trace_startstop(q, start) (-ENOTTY) | 201 | #define blk_trace_startstop(q, start) (-ENOTTY) |
| 368 | #define blk_trace_remove(q) (-ENOTTY) | 202 | #define blk_trace_remove(q) (-ENOTTY) |
