diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-02-09 23:21:28 +0300 |
|---|---|---|
| committer | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-03-15 15:23:25 +0300 |
| commit | 5ad6b2bdaaea712486145fa5a78ec24d25289071 (patch) | |
| tree | 5955982c75ab125ace0c4d14190579918eca89b5 /mm/truncate.c | |
| parent | 2e7e80f7e7e9dbbb3c2a85ee923ca32826052816 (diff) | |
| download | linux-5ad6b2bdaaea712486145fa5a78ec24d25289071.tar.xz | |
fs: Turn do_invalidatepage() into folio_invalidate()
Take a folio instead of a page, fix the types of the offset & length,
and export it to filesystems.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Tested-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Acked-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Tested-by: Mike Marshall <hubcap@omnibond.com> # orangefs
Tested-by: David Howells <dhowells@redhat.com> # afs
Diffstat (limited to 'mm/truncate.c')
| -rw-r--r-- | mm/truncate.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/mm/truncate.c b/mm/truncate.c index 9dbf0b75da5d..aa0ed373789d 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -138,33 +138,33 @@ static int invalidate_exceptional_entry2(struct address_space *mapping, } /** - * do_invalidatepage - invalidate part or all of a page - * @page: the page which is affected + * folio_invalidate - Invalidate part or all of a folio. + * @folio: The folio which is affected. * @offset: start of the range to invalidate * @length: length of the range to invalidate * - * do_invalidatepage() is called when all or part of the page has become + * folio_invalidate() is called when all or part of the folio has become * invalidated by a truncate operation. * - * do_invalidatepage() does not have to release all buffers, but it must + * folio_invalidate() does not have to release all buffers, but it must * ensure that no dirty buffer is left outside @offset and that no I/O * is underway against any of the blocks which are outside the truncation * point. Because the caller is about to free (and possibly reuse) those * blocks on-disk. */ -void do_invalidatepage(struct page *page, unsigned int offset, - unsigned int length) +void folio_invalidate(struct folio *folio, size_t offset, size_t length) { void (*invalidatepage)(struct page *, unsigned int, unsigned int); - invalidatepage = page->mapping->a_ops->invalidatepage; + invalidatepage = folio->mapping->a_ops->invalidatepage; #ifdef CONFIG_BLOCK if (!invalidatepage) invalidatepage = block_invalidatepage; #endif if (invalidatepage) - (*invalidatepage)(page, offset, length); + (*invalidatepage)(&folio->page, offset, length); } +EXPORT_SYMBOL_GPL(folio_invalidate); /* * If truncate cannot remove the fs-private metadata from the page, the page @@ -182,7 +182,7 @@ static void truncate_cleanup_folio(struct folio *folio) unmap_mapping_folio(folio); if (folio_has_private(folio)) - do_invalidatepage(&folio->page, 0, folio_size(folio)); + folio_invalidate(folio, 0, folio_size(folio)); /* * Some filesystems seem to re-dirty the page even after @@ -264,7 +264,7 @@ bool truncate_inode_partial_folio(struct folio *folio, loff_t start, loff_t end) folio_zero_range(folio, offset, length); if (folio_has_private(folio)) - do_invalidatepage(&folio->page, offset, length); + folio_invalidate(folio, offset, length); if (!folio_test_large(folio)) return true; if (split_huge_page(&folio->page) == 0) |