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(i223-218-133-131.s42.a014.ap.plala.or.jp. [223.218.133.131]) by smtp.gmail.com with ESMTPSA id u17-20020a056a00159100b006c4d2479c1asm748083pfk.219.2023.11.14.00.46.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Nov 2023 00:46:05 -0800 (PST) From: Ryusuke Konishi To: Andrew Morton Cc: linux-nilfs@vger.kernel.org, Matthew Wilcox , linux-kernel@vger.kernel.org Subject: [PATCH 18/20] nilfs2: Convert nilfs_btnode_prepare_change_key to use a folio Date: Tue, 14 Nov 2023 17:44:34 +0900 Message-Id: <20231114084436.2755-19-konishi.ryusuke@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231114084436.2755-1-konishi.ryusuke@gmail.com> References: <20231114084436.2755-1-konishi.ryusuke@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: "Matthew Wilcox (Oracle)" Saves three calls to compound_head(). Signed-off-by: Matthew Wilcox (Oracle) Signed-off-by: Ryusuke Konishi --- fs/nilfs2/btnode.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/fs/nilfs2/btnode.c b/fs/nilfs2/btnode.c index e077d4a7a11c..da3e4366625f 100644 --- a/fs/nilfs2/btnode.c +++ b/fs/nilfs2/btnode.c @@ -185,23 +185,23 @@ int nilfs_btnode_prepare_change_key(struct address_sp= ace *btnc, ctxt->newbh =3D NULL; =20 if (inode->i_blkbits =3D=3D PAGE_SHIFT) { - struct page *opage =3D obh->b_page; - lock_page(opage); + struct folio *ofolio =3D obh->b_folio; + folio_lock(ofolio); retry: /* BUG_ON(oldkey !=3D obh->b_folio->index); */ - if (unlikely(oldkey !=3D opage->index)) - NILFS_PAGE_BUG(opage, + if (unlikely(oldkey !=3D ofolio->index)) + NILFS_PAGE_BUG(&ofolio->page, "invalid oldkey %lld (newkey=3D%lld)", (unsigned long long)oldkey, (unsigned long long)newkey); =20 xa_lock_irq(&btnc->i_pages); - err =3D __xa_insert(&btnc->i_pages, newkey, opage, GFP_NOFS); + err =3D __xa_insert(&btnc->i_pages, newkey, ofolio, GFP_NOFS); xa_unlock_irq(&btnc->i_pages); /* - * Note: page->index will not change to newkey until + * Note: folio->index will not change to newkey until * nilfs_btnode_commit_change_key() will be called. - * To protect the page in intermediate state, the page lock + * To protect the folio in intermediate state, the folio lock * is held. */ if (!err) @@ -213,7 +213,7 @@ int nilfs_btnode_prepare_change_key(struct address_spac= e *btnc, if (!err) goto retry; /* fallback to copy mode */ - unlock_page(opage); + folio_unlock(ofolio); } =20 nbh =3D nilfs_btnode_create_block(btnc, newkey); @@ -225,7 +225,7 @@ int nilfs_btnode_prepare_change_key(struct address_spac= e *btnc, return 0; =20 failed_unlock: - unlock_page(obh->b_page); + folio_unlock(obh->b_folio); return err; } =20 --=20 2.34.1