diff -X /home/nikita/src/linux-git/linux-2.6.git/Documentation/dontdiff -rupbB linux-2.4.24.orig/fs/jbd/commit.c linux-2.4.24/fs/jbd/commit.c
--- linux-2.4.24.orig/fs/jbd/commit.c	2005-06-23 17:39:32.000000000 +0400
+++ linux-2.4.24/fs/jbd/commit.c	2005-06-23 15:56:05.000000000 +0400
@@ -505,6 +505,9 @@ start_journal_io:
 			goto wait_for_iobuf;
 		}
 
+		if (unlikely(!buffer_uptodate(bh)))
+			err = -EIO;
+
 		clear_bit(BH_JWrite, &jh2bh(jh)->b_state);
 
 		JBUFFER_TRACE(jh, "ph4: unfile after journal write");
@@ -566,6 +569,9 @@ start_journal_io:
 			goto wait_for_ctlbuf;
 		}
 
+		if (unlikely(!buffer_uptodate(bh)))
+			err = -EIO;
+
 		BUFFER_TRACE(bh, "ph5: control buffer writeout done: unfile");
 		clear_bit(BH_JWrite, &bh->b_state);
 		journal_unfile_buffer(jh);