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GET /api/patches/2216295/?format=api
{ "id": 2216295, "url": "http://patchwork.ozlabs.org/api/patches/2216295/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/patch/20260326095354.16340-43-jack@suse.cz/", "project": { "id": 8, "url": "http://patchwork.ozlabs.org/api/projects/8/?format=api", "name": "Linux ext4 filesystem development", "link_name": "linux-ext4", "list_id": "linux-ext4.vger.kernel.org", "list_email": "linux-ext4@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260326095354.16340-43-jack@suse.cz>", "list_archive_url": null, "date": "2026-03-26T09:53:55", "name": "[01/42] ext4: Use inode_has_buffers()", "commit_ref": null, "pull_url": null, "state": "not-applicable", "archived": false, "hash": "8f46b174eb6973136cf5d192805ea7d74f0bc0a9", "submitter": { "id": 363, "url": "http://patchwork.ozlabs.org/api/people/363/?format=api", "name": "Jan Kara", "email": "jack@suse.cz" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-ext4/patch/20260326095354.16340-43-jack@suse.cz/mbox/", "series": [ { "id": 497561, "url": "http://patchwork.ozlabs.org/api/series/497561/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/list/?series=497561", "date": "2026-03-26T09:53:55", "name": "fs: Move metadata bh tracking from address_space", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/497561/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2216295/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2216295/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "\n <SRS0=5Nst=B2=vger.kernel.org=linux-ext4+bounces-15396-patchwork-incoming=ozlabs.org@ozlabs.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "linux-ext4@vger.kernel.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "patchwork-incoming@ozlabs.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=suse.cz header.i=@suse.cz header.a=rsa-sha256\n header.s=susede2_rsa header.b=j1W3Lwj+;\n\tdkim=pass header.d=suse.cz header.i=@suse.cz header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=zLp9BDkb;\n\tdkim=pass (1024-bit key) header.d=suse.cz header.i=@suse.cz\n header.a=rsa-sha256 header.s=susede2_rsa header.b=j1W3Lwj+;\n\tdkim=neutral header.d=suse.cz header.i=@suse.cz header.a=ed25519-sha256\n header.s=susede2_ed25519 header.b=zLp9BDkb;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org\n (client-ip=2404:9400:2221:ea00::3; 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d=suse.cz;\n\ts=susede2_ed25519; t=1774518896;\n\th=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc:\n\t mime-version:mime-version:\n\t content-transfer-encoding:content-transfer-encoding:\n\t in-reply-to:in-reply-to:references:references;\n\tbh=qLbxD02dHUb8m8m5bbUbo7PwrJ0F2rU6l0JoHr7uT18=;\n\tb=zLp9BDkby0P/CPnv8vfM0qp2HOKlcED2HspXzwmc+GSh3oHLojR5MxCbnA76CXYJ4IoDUx\n\tIX8LGkCjL1D7tDBg==" ], "From": "Jan Kara <jack@suse.cz>", "To": "<linux-fsdevel@vger.kernel.org>", "Cc": "<linux-block@vger.kernel.org>,\n\tChristian Brauner <brauner@kernel.org>,\n\tAl Viro <viro@ZenIV.linux.org.uk>,\n\t<linux-ext4@vger.kernel.org>,\n\tTed Tso <tytso@mit.edu>,\n\t\"Tigran A. Aivazian\" <aivazian.tigran@gmail.com>,\n\tDavid Sterba <dsterba@suse.com>,\n\tOGAWA Hirofumi <hirofumi@mail.parknet.co.jp>,\n\tMuchun Song <muchun.song@linux.dev>,\n\tOscar Salvador <osalvador@suse.de>,\n\tDavid Hildenbrand <david@kernel.org>,\n\tlinux-mm@kvack.org,\n\tlinux-aio@kvack.org,\n\tBenjamin LaHaise <bcrl@kvack.org>,\n\tJan Kara <jack@suse.cz>", "Subject": "[PATCH 01/42] ext4: Use inode_has_buffers()", "Date": "Thu, 26 Mar 2026 10:53:55 +0100", "Message-ID": "<20260326095354.16340-43-jack@suse.cz>", "X-Mailer": "git-send-email 2.51.0", "In-Reply-To": "<20260326082428.31660-1-jack@suse.cz>", "References": "<20260326082428.31660-1-jack@suse.cz>", "Precedence": "bulk", "X-Mailing-List": "linux-ext4@vger.kernel.org", "List-Id": "<linux-ext4.vger.kernel.org>", "List-Subscribe": "<mailto:linux-ext4+subscribe@vger.kernel.org>", "List-Unsubscribe": "<mailto:linux-ext4+unsubscribe@vger.kernel.org>", "MIME-Version": "1.0", "X-Developer-Signature": "v=1; a=openpgp-sha256; l=1573; i=jack@suse.cz;\n h=from:subject; bh=7NK1Luw5u3sFPoI2MABzxVh/UFbS1BdfliomKZSEhSc=;\n b=owEBbQGS/pANAwAIAZydqgc/ZEDZAcsmYgBpxQIy322tQJD1bTpLOCCusW8JNc9TXDdWifJtU\n FNx1ADgBgGJATMEAAEIAB0WIQSrWdEr1p4yirVVKBycnaoHP2RA2QUCacUCMgAKCRCcnaoHP2RA\n 2RT/CACYvdN3lGJhBVD/JiAhbPkyZucipsmsOLf44AneuLqHJM4Wl9XFzG8f1KtIvt7/zHgTG98\n jIQ0mVhMwcYPk5SQcdl996xUwcEQ+rZJKPfdEJRMc4HH7f6bdWAgR2Se8xf3QUDFyhtk7JH5RIf\n A+B70fDJuJyEaiV2N88PDM9uHrLgSSEAJY0L6wcsvHzU1l35Pwe4guAYJwFsVf8R08qnVDIG5CZ\n FwxT6/WqAu9WbIUcZlhTIfsY+yrFEXAqnuQE31XgPg4eARSbVsNvjHRLZtwbrOAAxvqwXvtHsKc\n YYkM0KkUHCXLhiSfNL08tOis9FxZg3jUQrhCCUqSQayiAdxo", "X-Developer-Key": "i=jack@suse.cz; a=openpgp;\n fpr=93C6099A142276A28BBE35D815BC833443038D8C", "Content-Transfer-Encoding": "8bit", "X-Spam-Score": "-1.30", "X-Spam-Level": "", "X-Spamd-Result": "default: False [-1.30 / 50.00];\n\tBAYES_HAM(-3.00)[100.00%];\n\tSUSPICIOUS_RECIPS(1.50)[];\n\tMID_CONTAINS_FROM(1.00)[];\n\tNEURAL_HAM_LONG(-1.00)[-1.000];\n\tR_MISSING_CHARSET(0.50)[];\n\tNEURAL_HAM_SHORT(-0.20)[-1.000];\n\tMIME_GOOD(-0.10)[text/plain];\n\tTAGGED_RCPT(0.00)[];\n\tARC_NA(0.00)[];\n\tRCPT_COUNT_TWELVE(0.00)[16];\n\tMIME_TRACE(0.00)[0:+];\n\tFUZZY_RATELIMITED(0.00)[rspamd.com];\n\tRCVD_VIA_SMTP_AUTH(0.00)[];\n\tRCVD_COUNT_THREE(0.00)[3];\n\tDKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519];\n\tFROM_HAS_DN(0.00)[];\n\tFREEMAIL_CC(0.00)[vger.kernel.org,kernel.org,ZenIV.linux.org.uk,mit.edu,gmail.com,suse.com,mail.parknet.co.jp,linux.dev,suse.de,kvack.org,suse.cz];\n\tTO_DN_SOME(0.00)[];\n\tFROM_EQ_ENVFROM(0.00)[];\n\tTO_MATCH_ENVRCPT_ALL(0.00)[];\n\tDBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo];\n\tRCVD_TLS_LAST(0.00)[];\n\tFREEMAIL_ENVRCPT(0.00)[gmail.com]", "X-Spam-Status": "No, score=-1.2 required=5.0 tests=ARC_SIGNED,ARC_VALID,\n\tDKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DMARC_MISSING,\n\tHEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,\n\tSPF_PASS autolearn=disabled version=4.0.1", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on gandalf.ozlabs.org" }, "content": "Instead of checking i_private_list directly use appropriate wrapper\ninode_has_buffers(). Also delete stale comment.\n\nAcked-by: Theodore Ts'o <tytso@mit.edu>\nSigned-off-by: Jan Kara <jack@suse.cz>\n---\n fs/buffer.c | 1 +\n fs/ext4/inode.c | 5 +----\n 2 files changed, 2 insertions(+), 4 deletions(-)", "diff": "diff --git a/fs/buffer.c b/fs/buffer.c\nindex 22b43642ba57..1bc0f22f3cc2 100644\n--- a/fs/buffer.c\n+++ b/fs/buffer.c\n@@ -524,6 +524,7 @@ int inode_has_buffers(struct inode *inode)\n {\n \treturn !list_empty(&inode->i_data.i_private_list);\n }\n+EXPORT_SYMBOL_GPL(inode_has_buffers);\n \n /*\n * osync is designed to support O_SYNC io. It waits synchronously for\ndiff --git a/fs/ext4/inode.c b/fs/ext4/inode.c\nindex 396dc3a5d16b..d18d94acddcc 100644\n--- a/fs/ext4/inode.c\n+++ b/fs/ext4/inode.c\n@@ -1420,9 +1420,6 @@ static int write_end_fn(handle_t *handle, struct inode *inode,\n /*\n * We need to pick up the new inode size which generic_commit_write gave us\n * `iocb` can be NULL - eg, when called from page_symlink().\n- *\n- * ext4 never places buffers on inode->i_mapping->i_private_list. metadata\n- * buffers are managed internally.\n */\n static int ext4_write_end(const struct kiocb *iocb,\n \t\t\t struct address_space *mapping,\n@@ -3437,7 +3434,7 @@ static bool ext4_inode_datasync_dirty(struct inode *inode)\n \t}\n \n \t/* Any metadata buffers to write? */\n-\tif (!list_empty(&inode->i_mapping->i_private_list))\n+\tif (inode_has_buffers(inode))\n \t\treturn true;\n \treturn inode_state_read_once(inode) & I_DIRTY_DATASYNC;\n }\n", "prefixes": [ "01/42" ] }