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| author | Wu Fengguang <fengguang.wu@intel.com> | 2009-11-18 18:09:41 +0800 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2009-12-03 11:59:17 +0000 |
| commit | c29cd9004e72acb5a6cb8caf08508f1c5edee686 (patch) | |
| tree | f2cf39f10f99b551b7feddf759ab7775d6db8b9a /fs | |
| parent | 9ae3c6de6981a1e8765b5d029f94555fc0f0fea0 (diff) | |
| download | op-kernel-dev-c29cd9004e72acb5a6cb8caf08508f1c5edee686.zip op-kernel-dev-c29cd9004e72acb5a6cb8caf08508f1c5edee686.tar.gz | |
writeback: remove unused nonblocking and congestion checks (gfs2)
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.
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/gfs2/aops.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/fs/gfs2/aops.c b/fs/gfs2/aops.c index dce062a..7b8da94 100644 --- a/fs/gfs2/aops.c +++ b/fs/gfs2/aops.c @@ -269,7 +269,6 @@ static int gfs2_write_jdata_pagevec(struct address_space *mapping, pgoff_t end_index = i_size >> PAGE_CACHE_SHIFT; unsigned offset = i_size & (PAGE_CACHE_SIZE-1); unsigned nrblocks = nr_pages * (PAGE_CACHE_SIZE/inode->i_sb->s_blocksize); - struct backing_dev_info *bdi = mapping->backing_dev_info; int i; int ret; @@ -313,11 +312,6 @@ static int gfs2_write_jdata_pagevec(struct address_space *mapping, if (ret || (--(wbc->nr_to_write) <= 0)) ret = 1; - if (wbc->nonblocking && bdi_write_congested(bdi)) { - wbc->encountered_congestion = 1; - ret = 1; - } - } gfs2_trans_end(sdp); return ret; @@ -338,7 +332,6 @@ static int gfs2_write_jdata_pagevec(struct address_space *mapping, static int gfs2_write_cache_jdata(struct address_space *mapping, struct writeback_control *wbc) { - struct backing_dev_info *bdi = mapping->backing_dev_info; int ret = 0; int done = 0; struct pagevec pvec; @@ -348,11 +341,6 @@ static int gfs2_write_cache_jdata(struct address_space *mapping, int scanned = 0; int range_whole = 0; - if (wbc->nonblocking && bdi_write_congested(bdi)) { - wbc->encountered_congestion = 1; - return 0; - } - pagevec_init(&pvec, 0); if (wbc->range_cyclic) { index = mapping->writeback_index; /* Start from prev offset */ |
