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-rw-r--r--mm/page-writeback.c26
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:
985 } 985 }
986 } 986 }
987 987
988 if (wbc->nr_to_write > 0) { 988 /*
989 if (--wbc->nr_to_write == 0 && 989 * We stop writing back only if we are not doing
990 wbc->sync_mode == WB_SYNC_NONE) { 990 * integrity sync. In case of integrity sync we have to
991 /* 991 * keep going until we have written all the pages
992 * We stop writing back only if we are 992 * we tagged for writeback prior to entering this loop.
993 * not doing integrity sync. In case of 993 */
994 * integrity sync we have to keep going 994 if (--wbc->nr_to_write <= 0 &&
995 * because someone may be concurrently 995 wbc->sync_mode == WB_SYNC_NONE) {
996 * dirtying pages, and we might have 996 done = 1;
997 * synced a lot of newly appeared dirty 997 break;
998 * pages, but have not synced all of the
999 * old dirty pages.
1000 */
1001 done = 1;
1002 break;
1003 }
1004 } 998 }
1005 } 999 }
1006 pagevec_release(&pvec); 1000 pagevec_release(&pvec);