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| author |   Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-06-06 09:41:03 -0400 |
|---|---|---|
| committer | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-08-02 12:34:03 -0400 |
| commit | 2be7fa10c028019f7b2fee11238987762567d41e (patch) | |
| tree | 0862556f94ac00638dcc0b3ff5a8a9efb384cd47 /mm/migrate.c | |
| parent | mm/migrate: Convert fallback_migrate_page() to fallback_migrate_folio() (diff) | |
| download | linux-dev-2be7fa10c028019f7b2fee11238987762567d41e.tar.xz linux-dev-2be7fa10c028019f7b2fee11238987762567d41e.zip | |
mm/migrate: Convert writeout() to take a folio
Use a folio throughout this function.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'mm/migrate.c')
| -rw-r--r-- | mm/migrate.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/mm/migrate.c b/mm/migrate.c index c5278440f74d..75b171425c45 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -761,11 +761,10 @@ int buffer_migrate_page_norefs(struct address_space *mapping, #endif /* - * Writeback a page to clean the dirty state + * Writeback a folio to clean the dirty state */ -static int writeout(struct address_space *mapping, struct page *page) +static int writeout(struct address_space *mapping, struct folio *folio) { - struct folio *folio = page_folio(page); struct writeback_control wbc = { .sync_mode = WB_SYNC_NONE, .nr_to_write = 1, @@ -779,25 +778,25 @@ static int writeout(struct address_space *mapping, struct page *page) /* No write method for the address space */ return -EINVAL; - if (!clear_page_dirty_for_io(page)) + if (!folio_clear_dirty_for_io(folio)) /* Someone else already triggered a write */ return -EAGAIN; /* - * A dirty page may imply that the underlying filesystem has - * the page on some queue. So the page must be clean for - * migration. Writeout may mean we loose the lock and the - * page state is no longer what we checked for earlier. + * A dirty folio may imply that the underlying filesystem has + * the folio on some queue. So the folio must be clean for + * migration. Writeout may mean we lose the lock and the + * folio state is no longer what we checked for earlier. * At this point we know that the migration attempt cannot * be successful. */ remove_migration_ptes(folio, folio, false); - rc = mapping->a_ops->writepage(page, &wbc); + rc = mapping->a_ops->writepage(&folio->page, &wbc); if (rc != AOP_WRITEPAGE_ACTIVATE) /* unlocked. Relock */ - lock_page(page); + folio_lock(folio); return (rc < 0) ? -EIO : -EAGAIN; } @@ -817,7 +816,7 @@ static int fallback_migrate_folio(struct address_space *mapping, default: return -EBUSY; } - return writeout(mapping, &src->page); + return writeout(mapping, src); } /* |