#include <linux/freezer.h>
#include <linux/delay.h>
#include <linux/mutex.h>
+#include <linux/seq_file.h>
+#include <linux/slab.h>
#include "jfs_incore.h"
#include "jfs_filsys.h"
#include "jfs_metapage.h"
} lmStat;
#endif
+static void write_special_inodes(struct jfs_log *log,
+ int (*writer)(struct address_space *))
+{
+ struct jfs_sb_info *sbi;
+
+ list_for_each_entry(sbi, &log->sb_list, log_list) {
+ writer(sbi->ipbmap->i_mapping);
+ writer(sbi->ipimap->i_mapping);
+ writer(sbi->direct_inode->i_mapping);
+ }
+}
/*
* NAME: lmLog()
struct lrd lrd;
int lsn;
struct logsyncblk *lp;
- struct jfs_sb_info *sbi;
unsigned long flags;
/* push dirty metapages out to disk */
if (hard_sync)
- list_for_each_entry(sbi, &log->sb_list, log_list) {
- filemap_fdatawrite(sbi->ipbmap->i_mapping);
- filemap_fdatawrite(sbi->ipimap->i_mapping);
- filemap_fdatawrite(sbi->direct_inode->i_mapping);
- }
+ write_special_inodes(log, filemap_fdatawrite);
else
- list_for_each_entry(sbi, &log->sb_list, log_list) {
- filemap_flush(sbi->ipbmap->i_mapping);
- filemap_flush(sbi->ipimap->i_mapping);
- filemap_flush(sbi->direct_inode->i_mapping);
- }
+ write_special_inodes(log, filemap_flush);
/*
* forward syncpt
bd_release(bdev);
close: /* close external log device */
- blkdev_put(bdev);
+ blkdev_put(bdev, FMODE_READ|FMODE_WRITE);
free: /* free log descriptor */
mutex_unlock(&jfs_log_mutex);
rc = lmLogShutdown(log);
bd_release(bdev);
- blkdev_put(bdev);
+ blkdev_put(bdev, FMODE_READ|FMODE_WRITE);
kfree(log);
{
int i;
struct tblock *target = NULL;
- struct jfs_sb_info *sbi;
/* jfs_write_inode may call us during read-only mount */
if (!log)
if (wait < 2)
return;
- list_for_each_entry(sbi, &log->sb_list, log_list) {
- filemap_fdatawrite(sbi->ipbmap->i_mapping);
- filemap_fdatawrite(sbi->ipimap->i_mapping);
- filemap_fdatawrite(sbi->direct_inode->i_mapping);
- }
+ write_special_inodes(log, filemap_fdatawrite);
/*
* If there was recent activity, we may need to wait
if ((!list_empty(&log->cqueue)) || !list_empty(&log->synclist)) {
for (i = 0; i < 200; i++) { /* Too much? */
msleep(250);
+ write_special_inodes(log, filemap_fdatawrite);
if (list_empty(&log->cqueue) &&
list_empty(&log->synclist))
break;
if (!list_empty(&log->synclist)) {
struct logsyncblk *lp;
+ printk(KERN_ERR "jfs_flush_journal: synclist not empty\n");
list_for_each_entry(lp, &log->synclist, synclist) {
if (lp->xflag & COMMIT_PAGE) {
struct metapage *mp = (struct metapage *)lp;
- dump_mem("orphan metapage", lp,
- sizeof(struct metapage));
- dump_mem("page", mp->page, sizeof(struct page));
- }
- else
- dump_mem("orphan tblock", lp,
- sizeof(struct tblock));
+ print_hex_dump(KERN_ERR, "metapage: ",
+ DUMP_PREFIX_ADDRESS, 16, 4,
+ mp, sizeof(struct metapage), 0);
+ print_hex_dump(KERN_ERR, "page: ",
+ DUMP_PREFIX_ADDRESS, 16,
+ sizeof(long), mp->page,
+ sizeof(struct page), 0);
+ } else
+ print_hex_dump(KERN_ERR, "tblock:",
+ DUMP_PREFIX_ADDRESS, 16, 4,
+ lp, sizeof(struct tblock), 0);
}
}
+#else
+ WARN_ON(!list_empty(&log->synclist));
#endif
- //assert(list_empty(&log->synclist));
clear_bit(log_FLUSH, &log->flag);
}
/* check if journaling to disk has been disabled */
if (log->no_integrity) {
bio->bi_size = 0;
- lbmIODone(bio, 0, 0);
+ lbmIODone(bio, 0);
} else {
submit_bio(WRITE_SYNC, bio);
INCREMENT(lmStat.submitted);
*
* executed at INTIODONE level
*/
-static int lbmIODone(struct bio *bio, unsigned int bytes_done, int error)
+static void lbmIODone(struct bio *bio, int error)
{
struct lbuf *bp = bio->bi_private;
struct lbuf *nextbp, *tail;
struct jfs_log *log;
unsigned long flags;
- if (bio->bi_size)
- return 1;
-
/*
* get back jfs buffer bound to the i/o buffer
*/
/* wakeup I/O initiator */
LCACHE_WAKEUP(&bp->l_ioevent);
- return 0;
+ return;
}
/*
if (bp->l_flag & lbmDIRECT) {
LCACHE_WAKEUP(&bp->l_ioevent);
LCACHE_UNLOCK(flags);
- return 0;
+ return;
}
tail = log->wqueue;
LCACHE_UNLOCK(flags); /* unlock+enable */
}
-
- return 0;
}
int jfsIOWait(void *arg)
do {
spin_lock_irq(&log_redrive_lock);
- while ((bp = log_redrive_list) != 0) {
+ while ((bp = log_redrive_list)) {
log_redrive_list = bp->l_redrive_next;
bp->l_redrive_next = NULL;
spin_unlock_irq(&log_redrive_lock);
}
#ifdef CONFIG_JFS_STATISTICS
-int jfs_lmstats_read(char *buffer, char **start, off_t offset, int length,
- int *eof, void *data)
+static int jfs_lmstats_proc_show(struct seq_file *m, void *v)
{
- int len = 0;
- off_t begin;
-
- len += sprintf(buffer,
+ seq_printf(m,
"JFS Logmgr stats\n"
"================\n"
"commits = %d\n"
lmStat.pagedone,
lmStat.full_page,
lmStat.partial_page);
+ return 0;
+}
- begin = offset;
- *start = buffer + begin;
- len -= begin;
-
- if (len > length)
- len = length;
- else
- *eof = 1;
-
- if (len < 0)
- len = 0;
-
- return len;
+static int jfs_lmstats_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, jfs_lmstats_proc_show, NULL);
}
+
+const struct file_operations jfs_lmstats_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = jfs_lmstats_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
#endif /* CONFIG_JFS_STATISTICS */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff