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| author |   Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-06-06 10:20:31 -0400 |
|---|---|---|
| committer | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-08-02 12:34:03 -0400 |
| commit | 67235182a41c1bd6b32806a1556a1d299b84212b (patch) | |
| tree | b57dbdb55adf121d6d7450446b3762551c7548f4 /include/linux/buffer_head.h | |
| parent | mm/migrate: Convert writeout() to take a folio (diff) | |
| download | linux-dev-67235182a41c1bd6b32806a1556a1d299b84212b.tar.xz linux-dev-67235182a41c1bd6b32806a1556a1d299b84212b.zip | |
mm/migrate: Convert buffer_migrate_page() to buffer_migrate_folio()
Use a folio throughout __buffer_migrate_folio(), add kernel-doc for
buffer_migrate_folio() and buffer_migrate_folio_norefs(), move their
declarations to buffer.h and switch all filesystems that have wired
them up.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'include/linux/buffer_head.h')
| -rw-r--r-- | include/linux/buffer_head.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index c9d1463bb20f..b0366c89d6a4 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -267,6 +267,16 @@ int nobh_truncate_page(struct address_space *, loff_t, get_block_t *); int nobh_writepage(struct page *page, get_block_t *get_block, struct writeback_control *wbc); +#ifdef CONFIG_MIGRATION +extern int buffer_migrate_folio(struct address_space *, + struct folio *dst, struct folio *src, enum migrate_mode); +extern int buffer_migrate_folio_norefs(struct address_space *, + struct folio *dst, struct folio *src, enum migrate_mode); +#else +#define buffer_migrate_folio NULL +#define buffer_migrate_folio_norefs NULL +#endif + void buffer_init(void); /* |