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-rw-r--r--fs/jbd/transaction.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c
index 932e7c1ef4a..77b7662b840 100644
--- a/fs/jbd/transaction.c
+++ b/fs/jbd/transaction.c
@@ -1812,7 +1812,17 @@ static int journal_unmap_buffer(journal_t *journal, struct buffer_head *bh)
}
}
} else if (transaction == journal->j_committing_transaction) {
- /* If it is committing, we simply cannot touch it. We
+ if (jh->b_jlist == BJ_Locked) {
+ /*
+ * The buffer is on the committing transaction's locked
+ * list. We have the buffer locked, so I/O has
+ * completed. So we can nail the buffer now.
+ */
+ may_free = __dispose_buffer(jh, transaction);
+ goto zap_buffer;
+ }
+ /*
+ * If it is committing, we simply cannot touch it. We
* can remove it's next_transaction pointer from the
* running transaction if that is set, but nothing
* else. */
@@ -1887,7 +1897,6 @@ int journal_invalidatepage(journal_t *journal,
unsigned int next_off = curr_off + bh->b_size;
next = bh->b_this_page;
- /* AKPM: doing lock_buffer here may be overly paranoid */
if (offset <= curr_off) {
/* This block is wholly outside the truncation point */
lock_buffer(bh);