Messages in this thread Patch in this message | | | Date | Wed, 18 Nov 2009 16:26:53 +0800 | From | Wu Fengguang <> | Subject | [PATCH 05/12] writeback: remove unused nonblocking and congestion checks (cifs) |
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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);
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