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| author | Wu Fengguang <fengguang.wu@intel.com> | 2011-10-03 20:46:17 -0600 |
|---|---|---|
| committer | Wu Fengguang <fengguang.wu@intel.com> | 2011-10-03 21:08:56 +0800 |
| commit | af6a311384bce6c88e15c80ab22ab051a918b4eb (patch) | |
| tree | 55ebac9ff575b3b6b4cfe46a38282c007c62d188 /mm | |
| parent | 6c14ae1e92c77eabd3e7527cf2e7836cde8b8487 (diff) | |
| download | blackbird-op-linux-af6a311384bce6c88e15c80ab22ab051a918b4eb.tar.gz blackbird-op-linux-af6a311384bce6c88e15c80ab22ab051a918b4eb.zip | |
writeback: add bg_threshold parameter to __bdi_update_bandwidth()
No behavior change.
Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/page-writeback.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/mm/page-writeback.c b/mm/page-writeback.c index c16ddd8f5cb6..4b954c9fe846 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -779,6 +779,7 @@ static void global_update_bandwidth(unsigned long thresh, void __bdi_update_bandwidth(struct backing_dev_info *bdi, unsigned long thresh, + unsigned long bg_thresh, unsigned long dirty, unsigned long bdi_thresh, unsigned long bdi_dirty, @@ -815,6 +816,7 @@ snapshot: static void bdi_update_bandwidth(struct backing_dev_info *bdi, unsigned long thresh, + unsigned long bg_thresh, unsigned long dirty, unsigned long bdi_thresh, unsigned long bdi_dirty, @@ -823,8 +825,8 @@ static void bdi_update_bandwidth(struct backing_dev_info *bdi, if (time_is_after_eq_jiffies(bdi->bw_time_stamp + BANDWIDTH_INTERVAL)) return; spin_lock(&bdi->wb.list_lock); - __bdi_update_bandwidth(bdi, thresh, dirty, bdi_thresh, bdi_dirty, - start_time); + __bdi_update_bandwidth(bdi, thresh, bg_thresh, dirty, + bdi_thresh, bdi_dirty, start_time); spin_unlock(&bdi->wb.list_lock); } @@ -912,8 +914,9 @@ static void balance_dirty_pages(struct address_space *mapping, if (!bdi->dirty_exceeded) bdi->dirty_exceeded = 1; - bdi_update_bandwidth(bdi, dirty_thresh, nr_dirty, - bdi_thresh, bdi_dirty, start_time); + bdi_update_bandwidth(bdi, dirty_thresh, background_thresh, + nr_dirty, bdi_thresh, bdi_dirty, + start_time); /* Note: nr_reclaimable denotes nr_dirty + nr_unstable. * Unstable writes are a feature of certain networked |
