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author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-06-06 12:55:08 -0400 |
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committer | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-08-02 12:34:04 -0400 |
commit | 2ec810d59602f0e08847f986ef8e16469722496f (patch) | |
tree | 9df23e6ae72487ce2a84dbaf1a95160c0a5accba /include/linux/pagemap.h | |
parent | 541846502f4fe826cd7c16e4784695ac90736585 (diff) | |
download | linux-2ec810d59602f0e08847f986ef8e16469722496f.tar.gz |
mm/migrate: Add filemap_migrate_folio()
There is nothing iomap-specific about iomap_migratepage(), and it fits
a pattern used by several other filesystems, so move it to mm/migrate.c,
convert it to be filemap_migrate_folio() and convert the iomap filesystems
to use it.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Diffstat (limited to 'include/linux/pagemap.h')
-rw-r--r-- | include/linux/pagemap.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 87d4ea571240..cc9adbaddb59 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -1078,6 +1078,12 @@ static inline int __must_check write_one_page(struct page *page) int __set_page_dirty_nobuffers(struct page *page); bool noop_dirty_folio(struct address_space *mapping, struct folio *folio); +#ifdef CONFIG_MIGRATION +int filemap_migrate_folio(struct address_space *mapping, struct folio *dst, + struct folio *src, enum migrate_mode mode); +#else +#define filemap_migrate_folio NULL +#endif void page_endio(struct page *page, bool is_write, int err); void folio_end_private_2(struct folio *folio); |