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-rw-r--r--fs/gfs2/aops.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c
index ed7a2e252ad8..68ed06962537 100644
--- a/fs/gfs2/aops.c
+++ b/fs/gfs2/aops.c
@@ -234,7 +234,19 @@ out:
static int gfs2_writepages(struct address_space *mapping,
struct writeback_control *wbc)
{
- return mpage_writepages(mapping, wbc, gfs2_get_block_noalloc);
+ struct gfs2_sbd *sdp = gfs2_mapping2sbd(mapping);
+ int ret = mpage_writepages(mapping, wbc, gfs2_get_block_noalloc);
+
+ /*
+ * Even if we didn't write any pages here, we might still be holding
+ * dirty pages in the ail. We forcibly flush the ail because we don't
+ * want balance_dirty_pages() to loop indefinitely trying to write out
+ * pages held in the ail that it can't find.
+ */
+ if (ret == 0)
+ set_bit(SDF_FORCE_AIL_FLUSH, &sdp->sd_flags);
+
+ return ret;
}
/**