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ChangeLog, jfs.h: 

jfs.h: Update to 0.5e version
bitmap-optimize
Theodore Ts'o 2000-12-31 02:55:11 +00:00
parent c59a704b79
commit f13a987afa
2 changed files with 36 additions and 9 deletions
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4
include/linux/ChangeLog
View File

@ -1,3 +1,7 @@
2000-12-30 <tytso@snap.thunk.org>
* jfs.h: Update to 0.5e version
2000-12-09 <tytso@snap.thunk.org>
* jfs.h, jfs_compat.h, list.h: New files added to support ext3.

41
include/linux/jfs.h
View File

@ -26,6 +26,8 @@
*/
#ifdef __KERNEL__
#define JFS_DEBUG
#else
#define JFS_DEBUG
#endif
extern int journal_enable_debug;
@ -36,7 +38,7 @@ extern int journal_enable_debug;
if ((n) <= journal_enable_debug) { \
printk (KERN_DEBUG "JFS DEBUG: (%s, %d): %s: ", \
__FILE__, __LINE__, __FUNCTION__); \
printk (f, a); \
printk (f, ## a); \
} \
} while (0)
#else
@ -302,9 +304,6 @@ struct transaction_s
* transaction handle but not yet modified. */
int t_outstanding_credits;
/* Wait queue to wait for updates to complete */
struct wait_queue * t_wait;
/* Forward and backward links for the circular list of all
* transactions awaiting checkpoint */
transaction_t *t_cpnext, *t_cpprev;
@ -337,6 +336,12 @@ struct journal_s
/* Version of the superblock format */
int j_format_version;
/* Number of processes waiting to create a barrier lock */
int j_barrier_count;
/* The barrier lock itself */
struct semaphore j_barrier;
/* Transactions: The current running transaction... */
transaction_t * j_running_transaction;
@ -352,7 +357,7 @@ struct journal_s
struct wait_queue * j_wait_lock;
/* Wait queue for waiting for a locked transaction to start
committing */
committing, or for a barrier lock to be released */
struct wait_queue * j_wait_transaction_locked;
/* Wait queue for waiting for checkpointing to complete */
@ -367,6 +372,9 @@ struct journal_s
/* Wait queue to trigger commit */
struct wait_queue * j_wait_commit;
/* Wait queue to wait for updates to complete */
struct wait_queue * j_wait_updates;
/* Semaphore for locking against concurrent checkpoints */
struct semaphore j_checkpoint_sem;
@ -442,10 +450,12 @@ struct journal_s
/*
* Journal flag definitions
*/
#define JFS_UNMOUNT 1 /* Journal thread is being destroyed */
#define JFS_SYNC 2 /* Perform synchronous transaction commits */
#define JFS_ABORT 4 /* Journaling has been aborted for errors. */
#define JFS_ACK_ERR 8 /* The errno in the sb has been acked */
#define JFS_UNMOUNT 0x001 /* Journal thread is being destroyed */
#define JFS_SYNC 0x002 /* Perform synchronous transaction commits */
#define JFS_ABORT 0x004 /* Journaling has been aborted for errors. */
#define JFS_ACK_ERR 0x008 /* The errno in the sb has been acked */
#define JFS_FLUSHED 0x010 /* The journal superblock has been flushed */
#define JFS_LOADED 0x020 /* The journal superblock has been loaded */
/*
* Journaling internal variables/parameters
@ -553,6 +563,9 @@ extern void journal_sync_buffer (struct buffer_head *);
extern int journal_stop (handle_t *);
extern int journal_flush (journal_t *);
extern void journal_lock_updates (journal_t *);
extern void journal_unlock_updates (journal_t *);
extern journal_t * journal_init_dev (kdev_t, int start, int len, int bsize);
extern journal_t * journal_init_inode (struct inode *);
extern int journal_update_format (journal_t *);
@ -566,6 +579,8 @@ extern int journal_create (journal_t *);
extern int journal_load (journal_t *);
extern void journal_release (journal_t *);
extern int journal_recover (journal_t *);
extern int journal_wipe (journal_t *, int);
extern int journal_skip_recovery (journal_t *);
extern void journal_update_superblock (journal_t *, int);
extern void __journal_abort (journal_t *);
extern void journal_abort (journal_t *, int);
@ -627,6 +642,14 @@ static inline int is_journal_abort(journal_t *journal)
return journal->j_flags & JFS_ABORT;
}
/* Not all architectures define BUG() */
#ifndef BUG
#define BUG() do { \
printk("kernel BUG at %s:%d!\n", __FILE__, __LINE__); \
* ((char *) 0) = 0; \
} while (0)
#endif /* BUG */
#endif /* __KERNEL__ */
/* Comparison functions for transaction IDs: perform comparisons using