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btrfs: Convert from invalidatepage to invalidate_folio

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A lot of the underlying infrastructure in btrfs needs to be switched
over to folios, but this at least documents that invalidatepage can't
be passed a tail page.

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
This commit is contained in:
Matthew Wilcox (Oracle)
2022-02-09 20:21:39 +00:00
parent fcf227daed
commit 895586eb68
5 changed files with 63 additions and 59 deletions
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22
fs/btrfs/disk-io.c
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@ -999,18 +999,18 @@ static int btree_releasepage(struct page *page, gfp_t gfp_flags)
return try_release_extent_buffer(page);
}
static void btree_invalidatepage(struct page *page, unsigned int offset,
unsigned int length)
static void btree_invalidate_folio(struct folio *folio, size_t offset,
size_t length)
{
struct extent_io_tree *tree;
tree = &BTRFS_I(page->mapping->host)->io_tree;
extent_invalidatepage(tree, page, offset);
btree_releasepage(page, GFP_NOFS);
if (PagePrivate(page)) {
btrfs_warn(BTRFS_I(page->mapping->host)->root->fs_info,
"page private not zero on page %llu",
(unsigned long long)page_offset(page));
detach_page_private(page);
tree = &BTRFS_I(folio->mapping->host)->io_tree;
extent_invalidate_folio(tree, folio, offset);
btree_releasepage(&folio->page, GFP_NOFS);
if (folio_get_private(folio)) {
btrfs_warn(BTRFS_I(folio->mapping->host)->root->fs_info,
"folio private not zero on folio %llu",
(unsigned long long)folio_pos(folio));
folio_detach_private(folio);
}
}
@ -1066,7 +1066,7 @@ static int btree_set_page_dirty(struct page *page)
static const struct address_space_operations btree_aops = {
.writepages = btree_writepages,
.releasepage = btree_releasepage,
.invalidatepage = btree_invalidatepage,
.invalidate_folio = btree_invalidate_folio,
#ifdef CONFIG_MIGRATION
.migratepage = btree_migratepage,
#endif