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>
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@ -601,7 +601,7 @@ static int journal_list_still_alive(struct super_block *s,
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*/
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*/
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static void release_buffer_page(struct buffer_head *bh)
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static void release_buffer_page(struct buffer_head *bh)
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{
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{
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struct folio *folio = page_folio(bh->b_page);
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struct folio *folio = bh->b_folio;
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if (!folio->mapping && folio_trylock(folio)) {
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if (!folio->mapping && folio_trylock(folio)) {
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folio_get(folio);
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folio_get(folio);
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put_bh(bh);
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put_bh(bh);
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@ -866,7 +866,7 @@ loop_next:
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* will ever write the buffer. We're safe if we write the
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* will ever write the buffer. We're safe if we write the
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* page one last time after freeing the journal header.
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* page one last time after freeing the journal header.
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*/
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*/
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if (buffer_dirty(bh) && unlikely(bh->b_page->mapping == NULL)) {
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if (buffer_dirty(bh) && unlikely(bh->b_folio->mapping == NULL)) {
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spin_unlock(lock);
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spin_unlock(lock);
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write_dirty_buffer(bh, 0);
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write_dirty_buffer(bh, 0);
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spin_lock(lock);
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spin_lock(lock);
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@ -177,7 +177,7 @@ void reiserfs_unmap_buffer(struct buffer_head *bh)
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* BUG() on attempt to write not mapped buffer
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* BUG() on attempt to write not mapped buffer
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*/
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*/
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if ((!list_empty(&bh->b_assoc_buffers) || bh->b_private) && bh->b_page) {
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if ((!list_empty(&bh->b_assoc_buffers) || bh->b_private) && bh->b_page) {
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struct inode *inode = bh->b_page->mapping->host;
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struct inode *inode = bh->b_folio->mapping->host;
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struct reiserfs_journal *j = SB_JOURNAL(inode->i_sb);
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struct reiserfs_journal *j = SB_JOURNAL(inode->i_sb);
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spin_lock(&j->j_dirty_buffers_lock);
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spin_lock(&j->j_dirty_buffers_lock);
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list_del_init(&bh->b_assoc_buffers);
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list_del_init(&bh->b_assoc_buffers);
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