diff options
Diffstat (limited to 'mm/page-writeback.c')
| -rw-r--r-- | mm/page-writeback.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c index d55cfcae2ef..3d3848fa632 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -558,7 +558,6 @@ static void background_writeout(unsigned long _min_pages) global_page_state(NR_UNSTABLE_NFS) < background_thresh && min_pages <= 0) break; - wbc.more_io = 0; wbc.encountered_congestion = 0; wbc.nr_to_write = MAX_WRITEBACK_PAGES; wbc.pages_skipped = 0; @@ -566,9 +565,8 @@ static void background_writeout(unsigned long _min_pages) min_pages -= MAX_WRITEBACK_PAGES - wbc.nr_to_write; if (wbc.nr_to_write > 0 || wbc.pages_skipped > 0) { /* Wrote less than expected */ - if (wbc.encountered_congestion || wbc.more_io) - congestion_wait(WRITE, HZ/10); - else + congestion_wait(WRITE, HZ/10); + if (!wbc.encountered_congestion) break; } } @@ -633,12 +631,11 @@ static void wb_kupdate(unsigned long arg) global_page_state(NR_UNSTABLE_NFS) + (inodes_stat.nr_inodes - inodes_stat.nr_unused); while (nr_to_write > 0) { - wbc.more_io = 0; wbc.encountered_congestion = 0; wbc.nr_to_write = MAX_WRITEBACK_PAGES; writeback_inodes(&wbc); if (wbc.nr_to_write > 0) { - if (wbc.encountered_congestion || wbc.more_io) + if (wbc.encountered_congestion) congestion_wait(WRITE, HZ/10); else break; /* All the old data is written */ |