[PATCH 05/12] writeback: remove unused nonblocking and congestion checks (cifs)

Wu Fengguang
2009-11-18T08:32:31Z

[-- Attachment #1: writeback-remove-congested-checks-linux_fs_cifs_file.patch --]
[-- Type: text/plain, Size: 875 bytes --]

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: Steve French <sfrench@samba.org>
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
---
fs/cifs/file.c | 10 ----------
1 file changed, 10 deletions(-)

--- linux.orig/fs/cifs/file.c 2009-11-18 16:25:49.000000000 +0800
+++ linux/fs/cifs/file.c 2009-11-18 16:25:57.000000000 +0800
@@ -1379,16 +1379,6 @@ static int cifs_writepages(struct addres
return generic_writepages(mapping, wbc);

- /*
- * BB: Is this meaningful for a non-block-device file system?
- * If it is, we should test it again after we do I/O
- */
- if (wbc->nonblocking && bdi_write_congested(bdi)) {
- wbc->encountered_congestion = 1;
- kfree(iov);
- return 0;
- }
-
xid = GetXid();

pagevec_init(&pvec, 0);