Commit 0e6bd956 authored by Chris Mason's avatar Chris Mason
Browse files

Btrfs: only flush down bios for writeback pages



The btrfs write_cache_pages call has a flush function so that it submits
the bio it has been building before it waits on any writeback pages.

This adds a check so that flush only happens on writeback pages.
Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent 43dd729b
......@@ -2462,7 +2462,8 @@ retry:
}
if (wbc->sync_mode != WB_SYNC_NONE) {
flush_fn(data);
if (PageWriteback(page))
flush_fn(data);
wait_on_page_writeback(page);
}
......
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