diff options
Diffstat (limited to 'fs/fs-writeback.c')
| -rw-r--r-- | fs/fs-writeback.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 517f211a3bd..92d353e069d 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -743,11 +743,17 @@ static long wb_writeback(struct bdi_writeback *wb, if (work->for_background && !over_bground_thresh(wb->bdi)) break; + /* + * Kupdate and background works are special and we want to + * include all inodes that need writing. Livelock avoidance is + * handled by these works yielding to any other work so we are + * safe. + */ if (work->for_kupdate) { oldest_jif = jiffies - msecs_to_jiffies(dirty_expire_interval * 10); - work->older_than_this = &oldest_jif; - } + } else if (work->for_background) + oldest_jif = jiffies; trace_writeback_start(wb->bdi, work); if (list_empty(&wb->b_io)) |