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Diffstat (limited to 'fs/gfs2/log.c')
-rw-r--r--fs/gfs2/log.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 6456fc39aace..7713d5918672 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -15,6 +15,7 @@
#include <linux/gfs2_ondisk.h>
#include <linux/crc32.h>
#include <linux/lm_interface.h>
+#include <linux/delay.h>
#include "gfs2.h"
#include "incore.h"
@@ -142,7 +143,7 @@ static int gfs2_ail1_empty_one(struct gfs2_sbd *sdp, struct gfs2_ail *ai, int fl
return list_empty(&ai->ai_ail1_list);
}
-void gfs2_ail1_start(struct gfs2_sbd *sdp, int flags)
+static void gfs2_ail1_start(struct gfs2_sbd *sdp, int flags)
{
struct list_head *head = &sdp->sd_ail1_list;
u64 sync_gen;
@@ -689,3 +690,21 @@ void gfs2_log_shutdown(struct gfs2_sbd *sdp)
up_write(&sdp->sd_log_flush_lock);
}
+
+/**
+ * gfs2_meta_syncfs - sync all the buffers in a filesystem
+ * @sdp: the filesystem
+ *
+ */
+
+void gfs2_meta_syncfs(struct gfs2_sbd *sdp)
+{
+ gfs2_log_flush(sdp, NULL);
+ for (;;) {
+ gfs2_ail1_start(sdp, DIO_ALL);
+ if (gfs2_ail1_empty(sdp, DIO_ALL))
+ break;
+ msleep(10);
+ }
+}
+