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-rw-r--r--include/linux/backing-dev.h11
1 files changed, 8 insertions, 3 deletions
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index 0ec2c594868e..1d52425a6118 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -229,9 +229,14 @@ static inline int bdi_rw_congested(struct backing_dev_info *bdi)
229 (1 << BDI_async_congested)); 229 (1 << BDI_async_congested));
230} 230}
231 231
232void clear_bdi_congested(struct backing_dev_info *bdi, int rw); 232enum {
233void set_bdi_congested(struct backing_dev_info *bdi, int rw); 233 BLK_RW_ASYNC = 0,
234long congestion_wait(int rw, long timeout); 234 BLK_RW_SYNC = 1,
235};
236
237void clear_bdi_congested(struct backing_dev_info *bdi, int sync);
238void set_bdi_congested(struct backing_dev_info *bdi, int sync);
239long congestion_wait(int sync, long timeout);
235 240
236 241
237static inline bool bdi_cap_writeback_dirty(struct backing_dev_info *bdi) 242static inline bool bdi_cap_writeback_dirty(struct backing_dev_info *bdi)