ext4: do not start new transaction if there is one in use.

diff --git a/lwext4/ext4.c b/lwext4/ext4.c
index d3c5c35685481a7bd09e96763dacce8424fcde88..56013d2f2f95373de0f9ce28d1b5f5891205305c 100644 (file)
--- a/lwext4/ext4.c
+++ b/lwext4/ext4.c
@@ -558,7 +558,7 @@ Finish:
 int ext4_trans_start(struct ext4_mountpoint *mp)
 {
        int r = EOK;
-       if (mp->fs.jbd_journal) {
+       if (mp->fs.jbd_journal && !mp->fs.curr_trans) {
                struct jbd_journal *journal = mp->fs.jbd_journal;
                struct jbd_trans *trans;
                trans = jbd_journal_new_trans(journal);
@@ -575,7 +575,7 @@ Finish:
 int ext4_trans_stop(struct ext4_mountpoint *mp)
 {
        int r = EOK;
-       if (mp->fs.jbd_journal) {
+       if (mp->fs.jbd_journal && mp->fs.curr_trans) {
                struct jbd_journal *journal = mp->fs.jbd_journal;
                struct jbd_trans *trans = mp->fs.curr_trans;
                r = jbd_journal_commit_trans(journal, trans);
@@ -587,7 +587,7 @@ int ext4_trans_stop(struct ext4_mountpoint *mp)
 int ext4_trans_abort(struct ext4_mountpoint *mp)
 {
        int r = EOK;
-       if (mp->fs.jbd_journal) {
+       if (mp->fs.jbd_journal && mp->fs.curr_trans) {
                struct jbd_journal *journal = mp->fs.jbd_journal;
                struct jbd_trans *trans = mp->fs.curr_trans;
                r = jbd_journal_commit_trans(journal, trans);