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Diffstat (limited to 'fs/nilfs2/page.c')
-rw-r--r--fs/nilfs2/page.c93
1 files changed, 48 insertions, 45 deletions
diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c
index 06b04758f289..5c2eba1987bd 100644
--- a/fs/nilfs2/page.c
+++ b/fs/nilfs2/page.c
@@ -73,7 +73,7 @@ struct buffer_head *nilfs_grab_buffer(struct inode *inode,
*/
void nilfs_forget_buffer(struct buffer_head *bh)
{
- struct page *page = bh->b_page;
+ struct folio *folio = bh->b_folio;
const unsigned long clear_bits =
(BIT(BH_Uptodate) | BIT(BH_Dirty) | BIT(BH_Mapped) |
BIT(BH_Async_Write) | BIT(BH_NILFS_Volatile) |
@@ -81,12 +81,12 @@ void nilfs_forget_buffer(struct buffer_head *bh)
lock_buffer(bh);
set_mask_bits(&bh->b_state, clear_bits, 0);
- if (nilfs_page_buffers_clean(page))
- __nilfs_clear_page_dirty(page);
+ if (nilfs_folio_buffers_clean(folio))
+ __nilfs_clear_folio_dirty(folio);
bh->b_blocknr = -1;
- ClearPageUptodate(page);
- ClearPageMappedToDisk(page);
+ folio_clear_uptodate(folio);
+ folio_clear_mappedtodisk(folio);
unlock_buffer(bh);
brelse(bh);
}
@@ -131,48 +131,49 @@ void nilfs_copy_buffer(struct buffer_head *dbh, struct buffer_head *sbh)
}
/**
- * nilfs_page_buffers_clean - check if a page has dirty buffers or not.
- * @page: page to be checked
+ * nilfs_folio_buffers_clean - Check if a folio has dirty buffers or not.
+ * @folio: Folio to be checked.
*
- * nilfs_page_buffers_clean() returns zero if the page has dirty buffers.
- * Otherwise, it returns non-zero value.
+ * nilfs_folio_buffers_clean() returns false if the folio has dirty buffers.
+ * Otherwise, it returns true.
*/
-int nilfs_page_buffers_clean(struct page *page)
+bool nilfs_folio_buffers_clean(struct folio *folio)
{
struct buffer_head *bh, *head;
- bh = head = page_buffers(page);
+ bh = head = folio_buffers(folio);
do {
if (buffer_dirty(bh))
- return 0;
+ return false;
bh = bh->b_this_page;
} while (bh != head);
- return 1;
+ return true;
}
-void nilfs_page_bug(struct page *page)
+void nilfs_folio_bug(struct folio *folio)
{
+ struct buffer_head *bh, *head;
struct address_space *m;
unsigned long ino;
- if (unlikely(!page)) {
- printk(KERN_CRIT "NILFS_PAGE_BUG(NULL)\n");
+ if (unlikely(!folio)) {
+ printk(KERN_CRIT "NILFS_FOLIO_BUG(NULL)\n");
return;
}
- m = page->mapping;
+ m = folio->mapping;
ino = m ? m->host->i_ino : 0;
- printk(KERN_CRIT "NILFS_PAGE_BUG(%p): cnt=%d index#=%llu flags=0x%lx "
+ printk(KERN_CRIT "NILFS_FOLIO_BUG(%p): cnt=%d index#=%llu flags=0x%lx "
"mapping=%p ino=%lu\n",
- page, page_ref_count(page),
- (unsigned long long)page->index, page->flags, m, ino);
+ folio, folio_ref_count(folio),
+ (unsigned long long)folio->index, folio->flags, m, ino);
- if (page_has_buffers(page)) {
- struct buffer_head *bh, *head;
+ head = folio_buffers(folio);
+ if (head) {
int i = 0;
- bh = head = page_buffers(page);
+ bh = head;
do {
printk(KERN_CRIT
" BH[%d] %p: cnt=%d block#=%llu state=0x%lx\n",
@@ -258,7 +259,7 @@ repeat:
folio_lock(folio);
if (unlikely(!folio_test_dirty(folio)))
- NILFS_PAGE_BUG(&folio->page, "inconsistent dirty state");
+ NILFS_FOLIO_BUG(folio, "inconsistent dirty state");
dfolio = filemap_grab_folio(dmap, folio->index);
if (unlikely(IS_ERR(dfolio))) {
@@ -268,7 +269,7 @@ repeat:
break;
}
if (unlikely(!folio_buffers(folio)))
- NILFS_PAGE_BUG(&folio->page,
+ NILFS_FOLIO_BUG(folio,
"found empty page in dat page cache");
nilfs_copy_folio(dfolio, folio, true);
@@ -379,7 +380,7 @@ void nilfs_clear_dirty_pages(struct address_space *mapping, bool silent)
* was acquired. Skip processing in that case.
*/
if (likely(folio->mapping == mapping))
- nilfs_clear_dirty_page(&folio->page, silent);
+ nilfs_clear_folio_dirty(folio, silent);
folio_unlock(folio);
}
@@ -389,32 +390,33 @@ void nilfs_clear_dirty_pages(struct address_space *mapping, bool silent)
}
/**
- * nilfs_clear_dirty_page - discard dirty page
- * @page: dirty page that will be discarded
+ * nilfs_clear_folio_dirty - discard dirty folio
+ * @folio: dirty folio that will be discarded
* @silent: suppress [true] or print [false] warning messages
*/
-void nilfs_clear_dirty_page(struct page *page, bool silent)
+void nilfs_clear_folio_dirty(struct folio *folio, bool silent)
{
- struct inode *inode = page->mapping->host;
+ struct inode *inode = folio->mapping->host;
struct super_block *sb = inode->i_sb;
+ struct buffer_head *bh, *head;
- BUG_ON(!PageLocked(page));
+ BUG_ON(!folio_test_locked(folio));
if (!silent)
nilfs_warn(sb, "discard dirty page: offset=%lld, ino=%lu",
- page_offset(page), inode->i_ino);
+ folio_pos(folio), inode->i_ino);
- ClearPageUptodate(page);
- ClearPageMappedToDisk(page);
+ folio_clear_uptodate(folio);
+ folio_clear_mappedtodisk(folio);
- if (page_has_buffers(page)) {
- struct buffer_head *bh, *head;
+ head = folio_buffers(folio);
+ if (head) {
const unsigned long clear_bits =
(BIT(BH_Uptodate) | BIT(BH_Dirty) | BIT(BH_Mapped) |
BIT(BH_Async_Write) | BIT(BH_NILFS_Volatile) |
BIT(BH_NILFS_Checked) | BIT(BH_NILFS_Redirected));
- bh = head = page_buffers(page);
+ bh = head;
do {
lock_buffer(bh);
if (!silent)
@@ -427,7 +429,7 @@ void nilfs_clear_dirty_page(struct page *page, bool silent)
} while (bh = bh->b_this_page, bh != head);
}
- __nilfs_clear_page_dirty(page);
+ __nilfs_clear_folio_dirty(folio);
}
unsigned int nilfs_page_count_clean_buffers(struct page *page,
@@ -457,22 +459,23 @@ unsigned int nilfs_page_count_clean_buffers(struct page *page,
* 2) Some B-tree operations like insertion or deletion may dispose buffers
* in dirty state, and this needs to cancel the dirty state of their pages.
*/
-int __nilfs_clear_page_dirty(struct page *page)
+void __nilfs_clear_folio_dirty(struct folio *folio)
{
- struct address_space *mapping = page->mapping;
+ struct address_space *mapping = folio->mapping;
if (mapping) {
xa_lock_irq(&mapping->i_pages);
- if (test_bit(PG_dirty, &page->flags)) {
- __xa_clear_mark(&mapping->i_pages, page_index(page),
+ if (folio_test_dirty(folio)) {
+ __xa_clear_mark(&mapping->i_pages, folio->index,
PAGECACHE_TAG_DIRTY);
xa_unlock_irq(&mapping->i_pages);
- return clear_page_dirty_for_io(page);
+ folio_clear_dirty_for_io(folio);
+ return;
}
xa_unlock_irq(&mapping->i_pages);
- return 0;
+ return;
}
- return TestClearPageDirty(page);
+ folio_clear_dirty(folio);
}
/**