175 static inline struct backing_dev_info *inode_to_bdi(struct inode *inode)  in inode_to_bdi()  argument
179 	if (!inode)  in inode_to_bdi()
182 	sb = inode->i_sb;  in inode_to_bdi()
185 		return blk_get_backing_dev_info(I_BDEV(inode));  in inode_to_bdi()
252 int inode_congested(struct inode *inode, int cong_bits);
265 static inline bool inode_cgwb_enabled(struct inode *inode)  in inode_cgwb_enabled()  argument
267 	struct backing_dev_info *bdi = inode_to_bdi(inode);  in inode_cgwb_enabled()
273 		(inode->i_sb->s_iflags & SB_I_CGROUPWB);  in inode_cgwb_enabled()
341 static inline bool inode_to_wb_is_valid(struct inode *inode)  in inode_to_wb_is_valid()  argument
343 	return inode->i_wb;  in inode_to_wb_is_valid()
354 static inline struct bdi_writeback *inode_to_wb(struct inode *inode)  in inode_to_wb()  argument
358 		     (!lockdep_is_held(&inode->i_lock) &&  in inode_to_wb()
359 		      !lockdep_is_held(&inode->i_mapping->tree_lock) &&  in inode_to_wb()
360 		      !lockdep_is_held(&inode->i_wb->list_lock)));  in inode_to_wb()
362 	return inode->i_wb;  in inode_to_wb()
381 unlocked_inode_to_wb_begin(struct inode *inode, bool *lockedp)  in unlocked_inode_to_wb_begin()  argument
389 	*lockedp = smp_load_acquire(&inode->i_state) & I_WB_SWITCH;  in unlocked_inode_to_wb_begin()
392 		spin_lock_irq(&inode->i_mapping->tree_lock);  in unlocked_inode_to_wb_begin()
398 	return inode->i_wb;  in unlocked_inode_to_wb_begin()
406 static inline void unlocked_inode_to_wb_end(struct inode *inode, bool locked)  in unlocked_inode_to_wb_end()  argument
409 		spin_unlock_irq(&inode->i_mapping->tree_lock);  in unlocked_inode_to_wb_end()
416 static inline bool inode_cgwb_enabled(struct inode *inode)  in inode_cgwb_enabled()  argument
445 static inline bool inode_to_wb_is_valid(struct inode *inode)  in inode_to_wb_is_valid()  argument
450 static inline struct bdi_writeback *inode_to_wb(struct inode *inode)  in inode_to_wb()  argument
452 	return &inode_to_bdi(inode)->wb;  in inode_to_wb()
456 unlocked_inode_to_wb_begin(struct inode *inode, bool *lockedp)  in unlocked_inode_to_wb_begin()  argument
458 	return inode_to_wb(inode);  in unlocked_inode_to_wb_begin()
461 static inline void unlocked_inode_to_wb_end(struct inode *inode, bool locked)  in unlocked_inode_to_wb_end()  argument
473 static inline int inode_congested(struct inode *inode, int cong_bits)  in inode_congested()  argument
475 	return wb_congested(&inode_to_bdi(inode)->wb, cong_bits);  in inode_congested()
480 static inline int inode_read_congested(struct inode *inode)  in inode_read_congested()  argument
482 	return inode_congested(inode, 1 << WB_sync_congested);  in inode_read_congested()
485 static inline int inode_write_congested(struct inode *inode)  in inode_write_congested()  argument
487 	return inode_congested(inode, 1 << WB_async_congested);  in inode_write_congested()
490 static inline int inode_rw_congested(struct inode *inode)  in inode_rw_congested()  argument
492 	return inode_congested(inode, (1 << WB_sync_congested) |  in inode_rw_congested()