Re: [PATCH v6 23/27] mm/writeback: Add wait_on_folio_writeback

2021-04-06 Thread Christoph Hellwig
On Wed, Mar 31, 2021 at 07:47:24PM +0100, Matthew Wilcox (Oracle) wrote: > wait_on_page_writeback_killable() only has one caller, so convert it to > call wait_on_folio_writeback_killable(). For the wait_on_page_writeback() > callers, add a compatibility wrapper around wait_on_folio_writeback(). >

[PATCH v6 23/27] mm/writeback: Add wait_on_folio_writeback

2021-03-31 Thread Matthew Wilcox (Oracle)
wait_on_page_writeback_killable() only has one caller, so convert it to call wait_on_folio_writeback_killable(). For the wait_on_page_writeback() callers, add a compatibility wrapper around wait_on_folio_writeback(). Turning PageWriteback() into FolioWriteback() eliminates a call to compound_head