dec_wb_stat

Name:dec_wb_stat

Proto:static inline void dec_wb_stat(struct bdi_writeback *wb, enum wb_stat_item item)

Type:void

Parameter:

Type	Parameter	Name
struct bdi_writeback *	wb
enum wb_stat_item	item

84

__add_wb_stat(wb, item, - 1)

**Caller**
Name	Describe
account_page_cleaned	Helper function for deaccounting dirty page without writeback.* Caller must hold lock_page_memcg().
account_page_redirty	Call this whenever redirtying a page, to de-account the dirty counters* (NR_DIRTIED, WB_DIRTIED, tsk->nr_dirtied), so that they match the written* counters (NR_WRITTEN, WB_WRITTEN) in long term
clear_page_dirty_for_io	Clear a page's dirty flag, while caring for dirty memory accounting.* Returns true if the page was previously dirty.* This is for preparing to put the page under writeout. We leave the page* tagged as dirty in the xarray so that a concurrent write-for-sync
test_clear_page_writeback

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