[PATCH] JFS: Support page sizes greater than 4K
jfs has never worked on architecutures where the page size was not 4K.
Signed-off-by: Dave Kleikamp <shaggy@austin.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c
index e0f867d..cfcdad3 100644
--- a/fs/jfs/jfs_logmgr.c
+++ b/fs/jfs/jfs_logmgr.c
@@ -234,6 +234,7 @@
int lsn;
int diffp, difft;
struct metapage *mp = NULL;
+ unsigned long flags;
jfs_info("lmLog: log:0x%p tblk:0x%p, lrd:0x%p tlck:0x%p",
log, tblk, lrd, tlck);
@@ -254,7 +255,7 @@
*/
lsn = log->lsn;
- LOGSYNC_LOCK(log);
+ LOGSYNC_LOCK(log, flags);
/*
* initialize page lsn if first log write of the page
@@ -310,7 +311,7 @@
}
}
- LOGSYNC_UNLOCK(log);
+ LOGSYNC_UNLOCK(log, flags);
/*
* write the log record
@@ -334,7 +335,6 @@
return lsn;
}
-
/*
* NAME: lmWriteRecord()
*
@@ -945,6 +945,15 @@
struct lrd lrd;
int lsn;
struct logsyncblk *lp;
+ struct jfs_sb_info *sbi;
+ unsigned long flags;
+
+ /* push dirty metapages out to disk */
+ 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);
+ }
/*
* forward syncpt
@@ -954,10 +963,7 @@
*/
if (log->sync == log->syncpt) {
- LOGSYNC_LOCK(log);
- /* ToDo: push dirty metapages out to disk */
-// bmLogSync(log);
-
+ LOGSYNC_LOCK(log, flags);
if (list_empty(&log->synclist))
log->sync = log->lsn;
else {
@@ -965,7 +971,7 @@
struct logsyncblk, synclist);
log->sync = lp->lsn;
}
- LOGSYNC_UNLOCK(log);
+ LOGSYNC_UNLOCK(log, flags);
}
@@ -974,27 +980,6 @@
* reset syncpt = sync
*/
if (log->sync != log->syncpt) {
- struct jfs_sb_info *sbi;
-
- /*
- * We need to make sure all of the "written" metapages
- * actually make it to disk
- */
- list_for_each_entry(sbi, &log->sb_list, log_list) {
- if (sbi->flag & JFS_NOINTEGRITY)
- continue;
- filemap_fdatawrite(sbi->ipbmap->i_mapping);
- filemap_fdatawrite(sbi->ipimap->i_mapping);
- filemap_fdatawrite(sbi->sb->s_bdev->bd_inode->i_mapping);
- }
- list_for_each_entry(sbi, &log->sb_list, log_list) {
- if (sbi->flag & JFS_NOINTEGRITY)
- continue;
- filemap_fdatawait(sbi->ipbmap->i_mapping);
- filemap_fdatawait(sbi->ipimap->i_mapping);
- filemap_fdatawait(sbi->sb->s_bdev->bd_inode->i_mapping);
- }
-
lrd.logtid = 0;
lrd.backchain = 0;
lrd.type = cpu_to_le16(LOG_SYNCPT);
@@ -1547,6 +1532,7 @@
{
int i;
struct tblock *target = NULL;
+ struct jfs_sb_info *sbi;
/* jfs_write_inode may call us during read-only mount */
if (!log)
@@ -1608,12 +1594,18 @@
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);
+ }
+
/*
* If there was recent activity, we may need to wait
* for the lazycommit thread to catch up
*/
if ((!list_empty(&log->cqueue)) || !list_empty(&log->synclist)) {
- for (i = 0; i < 800; i++) { /* Too much? */
+ for (i = 0; i < 200; i++) { /* Too much? */
msleep(250);
if (list_empty(&log->cqueue) &&
list_empty(&log->synclist))
@@ -1621,7 +1613,24 @@
}
}
assert(list_empty(&log->cqueue));
- assert(list_empty(&log->synclist));
+ if (!list_empty(&log->synclist)) {
+ struct logsyncblk *lp;
+
+ 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));
+ }
+// current->state = TASK_INTERRUPTIBLE;
+// schedule();
+ }
+ //assert(list_empty(&log->synclist));
clear_bit(log_FLUSH, &log->flag);
}