#define journal_oom_retry 1
/*
- * Define JBD_PARANIOD_IOFAIL to cause a kernel BUG() if ext3 finds
+ * Define JBD_PARANOID_IOFAIL to cause a kernel BUG() if ext3 finds
* certain classes of error which can occur due to failed IOs. Under
* normal use we want ext3 to continue after such errors, because
* hardware _can_ fail, but for debugging purposes when running tests on
do { \
if ((n) <= journal_enable_debug) { \
printk (KERN_DEBUG "(%s, %d): %s: ", \
- __FILE__, __LINE__, __FUNCTION__); \
+ __FILE__, __LINE__, __func__); \
printk (f, ## a); \
} \
} while (0)
unsigned long t_expires;
/*
+ * When this transaction started, in nanoseconds [no locking]
+ */
+ ktime_t t_start_time;
+
+ /*
* How many handles used this transaction? [t_handle_lock]
*/
int t_handle_count;
+ /*
+ * This transaction is being forced and some process is
+ * waiting for it to finish.
+ */
+ int t_synchronous_commit:1;
};
/**
* @j_wbufsize: maximum number of buffer_heads allowed in j_wbuf, the
* number that will fit in j_blocksize
* @j_last_sync_writer: most recent pid which did a synchronous write
+ * @j_average_commit_time: the average amount of time in nanoseconds it
+ * takes to commit a transaction to the disk.
* @j_private: An opaque pointer to fs-private information.
*/
struct buffer_head **j_wbuf;
int j_wbufsize;
+ /*
+ * this is the pid of the last person to run a synchronous operation
+ * through the journal.
+ */
pid_t j_last_sync_writer;
/*
+ * the average amount of time in nanoseconds it takes to commit a
+ * transaction to the disk. [j_state_lock]
+ */
+ u64 j_average_commit_time;
+
+ /*
* An opaque pointer to fs-private information. ext3 puts its
* superblock pointer here
*/
#define JFS_FLUSHED 0x008 /* The journal superblock has been flushed */
#define JFS_LOADED 0x010 /* The journal superblock has been loaded */
#define JFS_BARRIER 0x020 /* Use IDE barriers */
+#define JFS_ABORT_ON_SYNCDATA_ERR 0x040 /* Abort the journal on file
+ * data write error in ordered
+ * mode */
/*
* Function declarations for the journaling transaction and buffer
(journal_t *, unsigned long, unsigned long, unsigned long);
extern int journal_create (journal_t *);
extern int journal_load (journal_t *journal);
-extern void journal_destroy (journal_t *);
+extern int journal_destroy (journal_t *);
extern int journal_recover (journal_t *journal);
extern int journal_wipe (journal_t *, int);
extern int journal_skip_recovery (journal_t *);
extern int journal_revoke (handle_t *,
unsigned long, struct buffer_head *);
extern int journal_cancel_revoke(handle_t *, struct journal_head *);
-extern void journal_write_revoke_records(journal_t *, transaction_t *);
+extern void journal_write_revoke_records(journal_t *,
+ transaction_t *, int);
/* Recovery revoke support */
extern int journal_set_revoke(journal_t *, unsigned long, tid_t);
#define jbd_ENOSYS() \
do { \
- printk (KERN_ERR "JBD unimplemented function %s\n", __FUNCTION__); \
+ printk (KERN_ERR "JBD unimplemented function %s\n", __func__); \
current->state = TASK_UNINTERRUPTIBLE; \
schedule(); \
} while (1)