diff options
Diffstat (limited to 'include/linux/backing-dev.h')
| -rw-r--r-- | include/linux/backing-dev.h | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h index bee52abb8a4d..1d52425a6118 100644 --- a/include/linux/backing-dev.h +++ b/include/linux/backing-dev.h @@ -24,8 +24,8 @@ struct dentry; */ enum bdi_state { BDI_pdflush, /* A pdflush thread is working this device */ - BDI_write_congested, /* The write queue is getting full */ - BDI_read_congested, /* The read queue is getting full */ + BDI_async_congested, /* The async (write) queue is getting full */ + BDI_sync_congested, /* The sync queue is getting full */ BDI_unused, /* Available bits start here */ }; @@ -215,23 +215,28 @@ static inline int bdi_congested(struct backing_dev_info *bdi, int bdi_bits) static inline int bdi_read_congested(struct backing_dev_info *bdi) { - return bdi_congested(bdi, 1 << BDI_read_congested); + return bdi_congested(bdi, 1 << BDI_sync_congested); } static inline int bdi_write_congested(struct backing_dev_info *bdi) { - return bdi_congested(bdi, 1 << BDI_write_congested); + return bdi_congested(bdi, 1 << BDI_async_congested); } static inline int bdi_rw_congested(struct backing_dev_info *bdi) { - return bdi_congested(bdi, (1 << BDI_read_congested)| - (1 << BDI_write_congested)); + return bdi_congested(bdi, (1 << BDI_sync_congested) | + (1 << BDI_async_congested)); } -void clear_bdi_congested(struct backing_dev_info *bdi, int rw); -void set_bdi_congested(struct backing_dev_info *bdi, int rw); -long congestion_wait(int rw, long timeout); +enum { + BLK_RW_ASYNC = 0, + BLK_RW_SYNC = 1, +}; + +void clear_bdi_congested(struct backing_dev_info *bdi, int sync); +void set_bdi_congested(struct backing_dev_info *bdi, int sync); +long congestion_wait(int sync, long timeout); static inline bool bdi_cap_writeback_dirty(struct backing_dev_info *bdi) |