reiserfs: replace obvious uses of b_page with b_folio
These places just use b_page to get to the buffer's address_space or call
page_folio() on b_page to get a folio.
Link: https://lkml.kernel.org/r/20221215214402.3522366-12-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index 9f62da7..9ce4ec2 100644
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -601,7 +601,7 @@ static int journal_list_still_alive(struct super_block *s,
*/
static void release_buffer_page(struct buffer_head *bh)
{
- struct folio *folio = page_folio(bh->b_page);
+ struct folio *folio = bh->b_folio;
if (!folio->mapping && folio_trylock(folio)) {
folio_get(folio);
put_bh(bh);
@@ -866,7 +866,7 @@ static int write_ordered_buffers(spinlock_t * lock,
* will ever write the buffer. We're safe if we write the
* page one last time after freeing the journal header.
*/
- if (buffer_dirty(bh) && unlikely(bh->b_page->mapping == NULL)) {
+ if (buffer_dirty(bh) && unlikely(bh->b_folio->mapping == NULL)) {
spin_unlock(lock);
write_dirty_buffer(bh, 0);
spin_lock(lock);
diff --git a/fs/reiserfs/tail_conversion.c b/fs/reiserfs/tail_conversion.c
index b0ae088..2cec61a 100644
--- a/fs/reiserfs/tail_conversion.c
+++ b/fs/reiserfs/tail_conversion.c
@@ -177,7 +177,7 @@ void reiserfs_unmap_buffer(struct buffer_head *bh)
* BUG() on attempt to write not mapped buffer
*/
if ((!list_empty(&bh->b_assoc_buffers) || bh->b_private) && bh->b_page) {
- struct inode *inode = bh->b_page->mapping->host;
+ struct inode *inode = bh->b_folio->mapping->host;
struct reiserfs_journal *j = SB_JOURNAL(inode->i_sb);
spin_lock(&j->j_dirty_buffers_lock);
list_del_init(&bh->b_assoc_buffers);
