- if (!start && end == PAGE_CACHE_SIZE) {
- /* We need to avoid deadlock with page_cache_read() in
- jffs2_garbage_collect_pass(). So we have to mark the
- page up to date, to prevent page_cache_read() from
- trying to re-lock it. */
- SetPageUptodate(pg);
+ if (end == PAGE_CACHE_SIZE) {
+ if (!start) {
+ /* We need to avoid deadlock with page_cache_read() in
+ jffs2_garbage_collect_pass(). So we have to mark the
+ page up to date, to prevent page_cache_read() from
+ trying to re-lock it. */
+ SetPageUptodate(pg);
+ } else {
+ /* When writing out the end of a page, write out the
+ _whole_ page. This helps to reduce the number of
+ nodes in files which have many short writes, like
+ syslog files. */
+ start = aligned_start = 0;
+ }