[RFC] [PATCH 5/7] reiser4: txnmgr: call reiser4_post_write_back_hook() for empty atoms.

[Ivan Shapovalov <intelfx100@gmail.com>]

The atoms generated by reiser4_trim_fs(), despite being empty (zero
capture_count), still have non-empty delete sets which have to be
processed.

Signed-off-by: Ivan Shapovalov <intelfx100@gmail.com>
---
 fs/reiser4/txnmgr.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/fs/reiser4/txnmgr.c b/fs/reiser4/txnmgr.c
index 2862940..3f44c9c 100644
--- a/fs/reiser4/txnmgr.c
+++ b/fs/reiser4/txnmgr.c
@@ -1064,8 +1064,13 @@ static int commit_current_atom(long *nr_submitted, txn_atom ** atom)
 		return RETERR(-E_REPEAT);
 	}
 
-	if ((*atom)->capture_count == 0)
+	if ((*atom)->capture_count == 0) {
+		/* Process the atom's delete set.
+		 * Even if the atom has no captured nodes, the delete set may
+		 * still be non-empty (see e. g. reiser4_trim_fs()). */
+		reiser4_post_writeback_hook();
 		goto done;
+	}
 
 	/* Up to this point we have been flushing and after flush is called we
 	   return -E_REPEAT.  Now we can commit.  We cannot return -E_REPEAT
-- 
2.0.4