ref: f50e499b22fabdb125ac03a4cf8619c5cc3bae27
parent: 9dc5fd9ed3705ab5ff9244ae77cb57598074aee5
author: Kaho Ng <ngkaho1234@gmail.com>
date: Sun Apr 24 17:12:43 EDT 2016
ext4_journal: add once parameter to loops.
--- a/src/ext4_journal.c
+++ b/src/ext4_journal.c
@@ -1323,7 +1323,8 @@
static void
jbd_journal_purge_cp_trans(struct jbd_journal *journal,
- bool flush)
+ bool flush,
+ bool once)
{
struct jbd_trans *trans;
while ((trans = TAILQ_FIRST(&journal->cp_queue))) {
@@ -1361,6 +1362,8 @@
} else
jbd_journal_flush_trans(trans);
}
+ if (once)
+ break;
}
}
@@ -1375,7 +1378,7 @@
/* Make sure that journalled content have reached
* the disk.*/
- jbd_journal_purge_cp_trans(journal, true);
+ jbd_journal_purge_cp_trans(journal, true, false);
/* There should be no block record in this journal
* session. */
@@ -1418,7 +1421,7 @@
/* If there is no space left, flush all journalled
* blocks to disk first.*/
if (journal->last == journal->start)
- jbd_journal_purge_cp_trans(journal, true);
+ jbd_journal_purge_cp_trans(journal, true, false);
return start_block;
}
@@ -2083,7 +2086,7 @@
TAILQ_REMOVE(&journal->cp_queue, trans, trans_node);
jbd_journal_free_trans(journal, trans, false);
- jbd_journal_purge_cp_trans(journal, false);
+ jbd_journal_purge_cp_trans(journal, false, true);
jbd_journal_write_sb(journal);
jbd_write_sb(journal->jbd_fs);
}