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-rw-r--r--fs/jbd2/commit.c19
1 files changed, 10 insertions, 9 deletions
diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c
index 1bc74b6f26d..75716d3d2be 100644
--- a/fs/jbd2/commit.c
+++ b/fs/jbd2/commit.c
@@ -717,7 +717,8 @@ start_journal_io:
if (commit_transaction->t_flushed_data_blocks &&
(journal->j_fs_dev != journal->j_dev) &&
(journal->j_flags & JBD2_BARRIER))
- blkdev_issue_flush(journal->j_fs_dev, NULL);
+ blkdev_issue_flush(journal->j_fs_dev, GFP_KERNEL, NULL,
+ BLKDEV_IFL_WAIT);
/* Done it all: now write the commit record asynchronously. */
if (JBD2_HAS_INCOMPAT_FEATURE(journal,
@@ -727,7 +728,8 @@ start_journal_io:
if (err)
__jbd2_journal_abort_hard(journal);
if (journal->j_flags & JBD2_BARRIER)
- blkdev_issue_flush(journal->j_dev, NULL);
+ blkdev_issue_flush(journal->j_dev, GFP_KERNEL, NULL,
+ BLKDEV_IFL_WAIT);
}
err = journal_finish_inode_data_buffers(journal, commit_transaction);
@@ -883,8 +885,7 @@ restart_loop:
spin_unlock(&journal->j_list_lock);
bh = jh2bh(jh);
jbd_lock_bh_state(bh);
- J_ASSERT_JH(jh, jh->b_transaction == commit_transaction ||
- jh->b_transaction == journal->j_running_transaction);
+ J_ASSERT_JH(jh, jh->b_transaction == commit_transaction);
/*
* If there is undo-protected committed data against
@@ -930,12 +931,12 @@ restart_loop:
/* A buffer which has been freed while still being
* journaled by a previous transaction may end up still
* being dirty here, but we want to avoid writing back
- * that buffer in the future now that the last use has
- * been committed. That's not only a performance gain,
- * it also stops aliasing problems if the buffer is left
- * behind for writeback and gets reallocated for another
+ * that buffer in the future after the "add to orphan"
+ * operation been committed, That's not only a performance
+ * gain, it also stops aliasing problems if the buffer is
+ * left behind for writeback and gets reallocated for another
* use in a different page. */
- if (buffer_freed(bh)) {
+ if (buffer_freed(bh) && !jh->b_next_transaction) {
clear_buffer_freed(bh);
clear_buffer_jbddirty(bh);
}