No one is calling wb_writeback and write_cache_pages with
wbc.nonblocking=1 any more. And lumpy pageout will want to do
nonblocking writeback without the congestion wait.
CC: Evgeniy Polyakov <[email protected]>
Signed-off-by: Wu Fengguang <[email protected]>
---
drivers/staging/pohmelfs/inode.c | 10 ----------
1 file changed, 10 deletions(-)
--- linux.orig/drivers/staging/pohmelfs/inode.c 2009-11-27 16:34:51.000000000 +0800
+++ linux/drivers/staging/pohmelfs/inode.c 2009-11-27 18:55:03.000000000 +0800
@@ -143,7 +143,6 @@ static int pohmelfs_writepages(struct ad
struct inode *inode = mapping->host;
struct pohmelfs_inode *pi = POHMELFS_I(inode);
struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
- struct backing_dev_info *bdi = mapping->backing_dev_info;
int err = 0;
int done = 0;
int nr_pages;
@@ -152,11 +151,6 @@ static int pohmelfs_writepages(struct ad
int scanned = 0;
int range_whole = 0;
- if (wbc->nonblocking && bdi_write_congested(bdi)) {
- wbc->encountered_congestion = 1;
- return 0;
- }
-
if (wbc->range_cyclic) {
index = mapping->writeback_index; /* Start from prev offset */
end = -1;
@@ -248,10 +242,6 @@ retry:
if (wbc->nr_to_write <= 0)
done = 1;
- if (wbc->nonblocking && bdi_write_congested(bdi)) {
- wbc->encountered_congestion = 1;
- done = 1;
- }
continue;
out_continue: