2 files changed, 13 insertions, 11 deletions

diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c
index e7bf0fd9cec7..ad5866aaf0f9 100644
--- a/fs/jbd2/journal.c
+++ b/fs/jbd2/journal.c
@@ -296,7 +296,6 @@ int jbd2_journal_write_metadata_buffer(transaction_t *transaction,
         struct page *new_page;
         unsigned int new_offset;
         struct buffer_head *bh_in = jh2bh(jh_in);
-        struct jbd2_buffer_trigger_type *triggers;
         journal_t *journal = transaction->t_journal;
 
         /*
@@ -337,21 +336,21 @@ repeat:
                 done_copy_out = 1;
                 new_page = virt_to_page(jh_in->b_frozen_data);
                 new_offset = offset_in_page(jh_in->b_frozen_data);
-                triggers = jh_in->b_frozen_triggers;
         } else {
                 new_page = jh2bh(jh_in)->b_page;
                 new_offset = offset_in_page(jh2bh(jh_in)->b_data);
-                triggers = jh_in->b_triggers;
         }
 
         mapped_data = kmap_atomic(new_page, KM_USER0);
         /*
-         * Fire any commit trigger.  Do this before checking for escaping,
-         * as the trigger may modify the magic offset.  If a copy-out
-         * happens afterwards, it will have the correct data in the buffer.
+         * Fire data frozen trigger if data already wasn't frozen.  Do this
+         * before checking for escaping, as the trigger may modify the magic
+         * offset.  If a copy-out happens afterwards, it will have the correct
+         * data in the buffer.
          */
-        jbd2_buffer_commit_trigger(jh_in, mapped_data + new_offset,
-                                   triggers);
+        if (!done_copy_out)
+                jbd2_buffer_frozen_trigger(jh_in, mapped_data + new_offset,
+                                           jh_in->b_triggers);
 
         /*
          * Check for escaping
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index 0752bcda535f..d95cc9d0401d 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -767,6 +767,9 @@ done:
                 page = jh2bh(jh)->b_page;
                 offset = ((unsigned long) jh2bh(jh)->b_data) & ~PAGE_MASK;
                 source = kmap_atomic(page, KM_USER0);
+                /* Fire data frozen trigger just before we copy the data */
+                jbd2_buffer_frozen_trigger(jh, source + offset,
+                                           jh->b_triggers);
                 memcpy(jh->b_frozen_data, source+offset, jh2bh(jh)->b_size);
                 kunmap_atomic(source, KM_USER0);
 
@@ -1005,15 +1008,15 @@ void jbd2_journal_set_triggers(struct buffer_head *bh,
         jh->b_triggers = type;
 }
 
-void jbd2_buffer_commit_trigger(struct journal_head *jh, void *mapped_data,
+void jbd2_buffer_frozen_trigger(struct journal_head *jh, void *mapped_data,
                                 struct jbd2_buffer_trigger_type *triggers)
 {
         struct buffer_head *bh = jh2bh(jh);
 
-        if (!triggers || !triggers->t_commit)
+        if (!triggers || !triggers->t_frozen)
                 return;
 
-        triggers->t_commit(triggers, bh, mapped_data, bh->b_size);
+        triggers->t_frozen(triggers, bh, mapped_data, bh->b_size);
 }
 
 void jbd2_buffer_abort_trigger(struct journal_head *jh,