diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/backing-dev.c | 17 | ||||
| -rw-r--r-- | mm/page-writeback.c | 17 |
2 files changed, 8 insertions, 26 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c index 5f6553e..7ba303b 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -260,18 +260,6 @@ int bdi_has_dirty_io(struct backing_dev_info *bdi) return wb_has_dirty_io(&bdi->wb); } -static void bdi_flush_io(struct backing_dev_info *bdi) -{ - struct writeback_control wbc = { - .sync_mode = WB_SYNC_NONE, - .older_than_this = NULL, - .range_cyclic = 1, - .nr_to_write = 1024, - }; - - writeback_inodes_wb(&bdi->wb, &wbc); -} - /* * kupdated() used to do this. We cannot do it from the bdi_forker_thread() * or we risk deadlocking on ->s_umount. The longer term solution would be @@ -457,9 +445,10 @@ static int bdi_forker_thread(void *ptr) if (IS_ERR(task)) { /* * If thread creation fails, force writeout of - * the bdi from the thread. + * the bdi from the thread. Hopefully 1024 is + * large enough for efficient IO. */ - bdi_flush_io(bdi); + writeback_inodes_wb(&bdi->wb, 1024); } else { /* * The spinlock makes sure we do not lose diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 1965d05..9d6ac2b 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -491,13 +491,6 @@ static void balance_dirty_pages(struct address_space *mapping, struct backing_dev_info *bdi = mapping->backing_dev_info; for (;;) { - struct writeback_control wbc = { - .sync_mode = WB_SYNC_NONE, - .older_than_this = NULL, - .nr_to_write = write_chunk, - .range_cyclic = 1, - }; - nr_reclaimable = global_page_state(NR_FILE_DIRTY) + global_page_state(NR_UNSTABLE_NFS); nr_writeback = global_page_state(NR_WRITEBACK); @@ -559,17 +552,17 @@ static void balance_dirty_pages(struct address_space *mapping, * threshold otherwise wait until the disk writes catch * up. */ - trace_wbc_balance_dirty_start(&wbc, bdi); + trace_balance_dirty_start(bdi); if (bdi_nr_reclaimable > bdi_thresh) { - writeback_inodes_wb(&bdi->wb, &wbc); - pages_written += write_chunk - wbc.nr_to_write; - trace_wbc_balance_dirty_written(&wbc, bdi); + pages_written += writeback_inodes_wb(&bdi->wb, + write_chunk); + trace_balance_dirty_written(bdi, pages_written); if (pages_written >= write_chunk) break; /* We've done our duty */ } - trace_wbc_balance_dirty_wait(&wbc, bdi); __set_current_state(TASK_UNINTERRUPTIBLE); io_schedule_timeout(pause); + trace_balance_dirty_wait(bdi); /* * Increase the delay for each loop, up to our previous |