Commit 7bebb41b authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Andrew Morton
Browse files

mm: remove write_cache_pages 

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Link: https://lkml.kernel.org/r/20250818061017.1526853-4-hch@lst.de


Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarDavid Hildenbrand <david@redhat.com>
Cc: Kent Overstreet <kent.overstreet@linux.dev>
Cc: Konstantin Komarov <almaz.alexandrovich@paragon-software.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent e34b21ba

include/linux/writeback.h

+0 −6
Original line number Diff line number Diff line
@@ -360,12 +360,6 @@ bool wb_over_bg_thresh(struct bdi_writeback *wb); 
struct folio *writeback_iter(struct address_space *mapping,

		struct writeback_control *wbc, struct folio *folio, int *error);



typedef int (*writepage_t)(struct folio *folio, struct writeback_control *wbc,

				void *data);



int write_cache_pages(struct address_space *mapping,

		      struct writeback_control *wbc, writepage_t writepage,

		      void *data);

int do_writepages(struct address_space *mapping, struct writeback_control *wbc);

void writeback_set_ratelimit(void);

void tag_pages_for_writeback(struct address_space *mapping,

mm/page-writeback.c

+0 −30
Original line number Diff line number Diff line
@@ -2590,36 +2590,6 @@ struct folio *writeback_iter(struct address_space *mapping, 
}

EXPORT_SYMBOL_GPL(writeback_iter);



/**

 * write_cache_pages - walk the list of dirty pages of the given address space and write all of them.

 * @mapping: address space structure to write

 * @wbc: subtract the number of written pages from *@wbc->nr_to_write

 * @writepage: function called for each page

 * @data: data passed to writepage function

 *

 * Return: %0 on success, negative error code otherwise

 *

 * Note: please use writeback_iter() instead.

 */

int write_cache_pages(struct address_space *mapping,

		      struct writeback_control *wbc, writepage_t writepage,

		      void *data)

{

	struct folio *folio = NULL;

	int error;



	while ((folio = writeback_iter(mapping, wbc, folio, &error))) {

		error = writepage(folio, wbc, data);

		if (error == AOP_WRITEPAGE_ACTIVATE) {

			folio_unlock(folio);

			error = 0;

		}

	}



	return error;

}

EXPORT_SYMBOL(write_cache_pages);



int do_writepages(struct address_space *mapping, struct writeback_control *wbc)

{

	int ret;