Merge branch 'slabh' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc

[sfrench/cifs-2.6.git] / fs / jbd / commit.c

diff --git a/fs/jbd/commit.c b/fs/jbd/commit.c
index 4bd882548c456bc496c9facab237e12445efaed1..ecb44c94ba8de4251de699bd6e35a317ecee8a85 100644 (file)
--- a/fs/jbd/commit.c
+++ b/fs/jbd/commit.c
@@ -17,7 +17,6 @@
 #include <linux/fs.h>
 #include <linux/jbd.h>
 #include <linux/errno.h>
-#include <linux/slab.h>
 #include <linux/mm.h>
 #include <linux/pagemap.h>
 #include <linux/bio.h>
@@ -862,12 +861,12 @@ 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);
                }