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mm: remove write_cache_pages

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Link: https://lkml.kernel.org/r/20250818061017.1526853-4-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: David 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: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Christoph Hellwig
2025-08-18 08:10:10 +02:00
committed by Andrew Morton
parent e34b21ba15
commit 7bebb41b96
2 changed files with 0 additions and 36 deletions
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6
include/linux/writeback.h
View File

@@ -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,

30
mm/page-writeback.c
View File

@@ -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;