diff options
Diffstat (limited to 'include/linux/jbd.h')
| -rw-r--r-- | include/linux/jbd.h | 64 |
1 files changed, 1 insertions, 63 deletions
diff --git a/include/linux/jbd.h b/include/linux/jbd.h index e6a5e34bed4f..c7acdde3243d 100644 --- a/include/linux/jbd.h +++ b/include/linux/jbd.h | |||
| @@ -244,6 +244,7 @@ typedef struct journal_superblock_s | |||
| 244 | 244 | ||
| 245 | #include <linux/fs.h> | 245 | #include <linux/fs.h> |
| 246 | #include <linux/sched.h> | 246 | #include <linux/sched.h> |
| 247 | #include <linux/jbd_common.h> | ||
| 247 | 248 | ||
| 248 | #define J_ASSERT(assert) BUG_ON(!(assert)) | 249 | #define J_ASSERT(assert) BUG_ON(!(assert)) |
| 249 | 250 | ||
| @@ -270,69 +271,6 @@ typedef struct journal_superblock_s | |||
| 270 | #define J_EXPECT_JH(jh, expr, why...) __journal_expect(expr, ## why) | 271 | #define J_EXPECT_JH(jh, expr, why...) __journal_expect(expr, ## why) |
| 271 | #endif | 272 | #endif |
| 272 | 273 | ||
| 273 | enum jbd_state_bits { | ||
| 274 | BH_JBD /* Has an attached ext3 journal_head */ | ||
| 275 | = BH_PrivateStart, | ||
| 276 | BH_JWrite, /* Being written to log (@@@ DEBUGGING) */ | ||
| 277 | BH_Freed, /* Has been freed (truncated) */ | ||
| 278 | BH_Revoked, /* Has been revoked from the log */ | ||
| 279 | BH_RevokeValid, /* Revoked flag is valid */ | ||
| 280 | BH_JBDDirty, /* Is dirty but journaled */ | ||
| 281 | BH_State, /* Pins most journal_head state */ | ||
| 282 | BH_JournalHead, /* Pins bh->b_private and jh->b_bh */ | ||
| 283 | BH_Unshadow, /* Dummy bit, for BJ_Shadow wakeup filtering */ | ||
| 284 | }; | ||
| 285 | |||
| 286 | BUFFER_FNS(JBD, jbd) | ||
| 287 | BUFFER_FNS(JWrite, jwrite) | ||
| 288 | BUFFER_FNS(JBDDirty, jbddirty) | ||
| 289 | TAS_BUFFER_FNS(JBDDirty, jbddirty) | ||
| 290 | BUFFER_FNS(Revoked, revoked) | ||
| 291 | TAS_BUFFER_FNS(Revoked, revoked) | ||
| 292 | BUFFER_FNS(RevokeValid, revokevalid) | ||
| 293 | TAS_BUFFER_FNS(RevokeValid, revokevalid) | ||
| 294 | BUFFER_FNS(Freed, freed) | ||
| 295 | |||
| 296 | static inline struct buffer_head *jh2bh(struct journal_head *jh) | ||
| 297 | { | ||
| 298 | return jh->b_bh; | ||
| 299 | } | ||
| 300 | |||
| 301 | static inline struct journal_head *bh2jh(struct buffer_head *bh) | ||
| 302 | { | ||
| 303 | return bh->b_private; | ||
| 304 | } | ||
| 305 | |||
| 306 | static inline void jbd_lock_bh_state(struct buffer_head *bh) | ||
| 307 | { | ||
| 308 | bit_spin_lock(BH_State, &bh->b_state); | ||
| 309 | } | ||
| 310 | |||
| 311 | static inline int jbd_trylock_bh_state(struct buffer_head *bh) | ||
| 312 | { | ||
| 313 | return bit_spin_trylock(BH_State, &bh->b_state); | ||
| 314 | } | ||
| 315 | |||
| 316 | static inline int jbd_is_locked_bh_state(struct buffer_head *bh) | ||
| 317 | { | ||
| 318 | return bit_spin_is_locked(BH_State, &bh->b_state); | ||
| 319 | } | ||
| 320 | |||
| 321 | static inline void jbd_unlock_bh_state(struct buffer_head *bh) | ||
| 322 | { | ||
| 323 | bit_spin_unlock(BH_State, &bh->b_state); | ||
| 324 | } | ||
| 325 | |||
| 326 | static inline void jbd_lock_bh_journal_head(struct buffer_head *bh) | ||
| 327 | { | ||
| 328 | bit_spin_lock(BH_JournalHead, &bh->b_state); | ||
| 329 | } | ||
| 330 | |||
| 331 | static inline void jbd_unlock_bh_journal_head(struct buffer_head *bh) | ||
| 332 | { | ||
| 333 | bit_spin_unlock(BH_JournalHead, &bh->b_state); | ||
| 334 | } | ||
| 335 | |||
| 336 | struct jbd_revoke_table_s; | 274 | struct jbd_revoke_table_s; |
| 337 | 275 | ||
| 338 | /** | 276 | /** |
