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-rw-r--r--fs/gfs2/log.c29
1 files changed, 26 insertions, 3 deletions
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index cec26c00b50d..903115f2bb34 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -228,6 +228,27 @@ static int gfs2_ail1_empty(struct gfs2_sbd *sdp)
return ret;
}
+static void gfs2_ail1_wait(struct gfs2_sbd *sdp)
+{
+ struct gfs2_ail *ai;
+ struct gfs2_bufdata *bd;
+ struct buffer_head *bh;
+
+ spin_lock(&sdp->sd_ail_lock);
+ list_for_each_entry_reverse(ai, &sdp->sd_ail1_list, ai_list) {
+ list_for_each_entry(bd, &ai->ai_ail1_list, bd_ail_st_list) {
+ bh = bd->bd_bh;
+ if (!buffer_locked(bh))
+ continue;
+ get_bh(bh);
+ spin_unlock(&sdp->sd_ail_lock);
+ wait_on_buffer(bh);
+ brelse(bh);
+ return;
+ }
+ }
+ spin_unlock(&sdp->sd_ail_lock);
+}
/**
* gfs2_ail2_empty_one - Check whether or not a trans in the AIL has been synced
@@ -878,9 +899,9 @@ void gfs2_meta_syncfs(struct gfs2_sbd *sdp)
gfs2_log_flush(sdp, NULL);
for (;;) {
gfs2_ail1_start(sdp);
+ gfs2_ail1_wait(sdp);
if (gfs2_ail1_empty(sdp))
break;
- msleep(10);
}
}
@@ -920,12 +941,14 @@ int gfs2_logd(void *data)
if (gfs2_ail_flush_reqd(sdp)) {
gfs2_ail1_start(sdp);
- io_schedule();
+ gfs2_ail1_wait(sdp);
gfs2_ail1_empty(sdp);
gfs2_log_flush(sdp, NULL);
}
- wake_up(&sdp->sd_log_waitq);
+ if (!gfs2_ail_flush_reqd(sdp))
+ wake_up(&sdp->sd_log_waitq);
+
t = gfs2_tune_get(sdp, gt_logd_secs) * HZ;
if (freezing(current))
refrigerator();