writepage_t       391 include/linux/writeback.h typedef int (*writepage_t)(struct page *page, struct writeback_control *wbc,
writepage_t       399 include/linux/writeback.h 		      struct writeback_control *wbc, writepage_t writepage,
writepage_t      2159 mm/page-writeback.c 		      struct writeback_control *wbc, writepage_t writepage,