diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/page-writeback.c | 26 |
1 files changed, 10 insertions, 16 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c index c09ef5219cbe..a803f5e33471 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -985,22 +985,16 @@ continue_unlock: } } - if (wbc->nr_to_write > 0) { - if (--wbc->nr_to_write == 0 && - wbc->sync_mode == WB_SYNC_NONE) { - /* - * We stop writing back only if we are - * not doing integrity sync. In case of - * integrity sync we have to keep going - * because someone may be concurrently - * dirtying pages, and we might have - * synced a lot of newly appeared dirty - * pages, but have not synced all of the - * old dirty pages. - */ - done = 1; - break; - } + /* + * We stop writing back only if we are not doing + * integrity sync. In case of integrity sync we have to + * keep going until we have written all the pages + * we tagged for writeback prior to entering this loop. + */ + if (--wbc->nr_to_write <= 0 && + wbc->sync_mode == WB_SYNC_NONE) { + done = 1; + break; } } pagevec_release(&pvec); |