ocfs2: Allow for debugging of transaction extends
The nastiest cases of transaction extends are also the rarest. We can expose
them more quickly at the expense of performance by going straight to the
journal_restart() in ocfs2_extend_trans(). Wrap things in OCFS2_DEBUG_FS so
that we only do this when "expensive debugging" is turned on.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
index 7e5f7ce..0e1250c 100644
--- a/fs/ocfs2/journal.c
+++ b/fs/ocfs2/journal.c
@@ -193,11 +193,15 @@
mlog(0, "Trying to extend transaction by %d blocks\n", nblocks);
+#ifdef OCFS2_DEBUG_FS
+ status = 1;
+#else
status = journal_extend(handle, nblocks);
if (status < 0) {
mlog_errno(status);
goto bail;
}
+#endif
if (status > 0) {
mlog(0, "journal_extend failed, trying journal_restart\n");