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GET /api/1.1/patches/2230318/?format=api
{ "id": 2230318, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2230318/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/patch/177747214752.4107473.16188658739141343172.stgit@frogsfrogsfrogs/", "project": { "id": 8, "url": "http://patchwork.ozlabs.org/api/1.1/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 }, "msgid": "<177747214752.4107473.16188658739141343172.stgit@frogsfrogsfrogs>", "date": "2026-04-29T14:55:45", "name": "[12/19] fuse2fs: enable file IO to inline data files", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "d945d444b706024b4b7ea322e13cac3fe19b9a0d", "submitter": { "id": 77032, "url": "http://patchwork.ozlabs.org/api/1.1/people/77032/?format=api", "name": "Darrick J. Wong", "email": "djwong@kernel.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-ext4/patch/177747214752.4107473.16188658739141343172.stgit@frogsfrogsfrogs/mbox/", "series": [ { "id": 502087, "url": "http://patchwork.ozlabs.org/api/1.1/series/502087/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/list/?series=502087", "date": "2026-04-29T14:53:09", "name": "[01/19] fuse2fs: implement bare minimum iomap for file mapping reporting", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/502087/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2230318/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2230318/checks/", "tags": {}, "headers": { "Return-Path": "\n <SRS0=rDM1=C4=vger.kernel.org=linux-ext4+bounces-16201-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 (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=AIzn0dFv;\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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a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1777474546; c=relaxed/simple;\n\tbh=vC0PqMOvfQp4AQ9S5lpIqmerdNSlZq9S5sto/3QKq6Q=;\n\th=Date:Subject:From:To:Cc:Message-ID:In-Reply-To:References:\n\t MIME-Version:Content-Type;\n b=CmPZOcYWiiDG+3UYEvqQT/wsvPO/ZpgWdd5zVZkFySegy80kR8LogZoXZTv9Bwk7h6zpRpCG/q1hG4/8L0lJP8x+j4UE2/WGDrOi8yQ+hh8d8SovS48bt6QZKUIg4R6odXng2FmdCxtEJYx+em5LTFPRBB94WOWOx8IF9KqOffE=" ], "ARC-Authentication-Results": [ "i=2; gandalf.ozlabs.org;\n dmarc=pass (p=quarantine dis=none) header.from=kernel.org;\n dkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=AIzn0dFv; dkim-atps=neutral;\n spf=pass (client-ip=2600:3c0a:e001:db::12fc:5321; helo=sea.lore.kernel.org;\n envelope-from=linux-ext4+bounces-16201-patchwork-incoming=ozlabs.org@vger.kernel.org;\n receiver=ozlabs.org) smtp.mailfrom=vger.kernel.org", "i=1; smtp.subspace.kernel.org;\n dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org\n header.b=AIzn0dFv; arc=none smtp.client-ip=10.30.226.201" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1777474546;\n\tbh=vC0PqMOvfQp4AQ9S5lpIqmerdNSlZq9S5sto/3QKq6Q=;\n\th=Date:Subject:From:To:Cc:In-Reply-To:References:From;\n\tb=AIzn0dFvxxN6taaTDgsG+af2pq8BulbgD1lU/kUXCfmB64ePZNen9JZtqYaXodtcH\n\t Y6pIgUUdcYziG+91dCiZdOOd9pgQBVNLrgg2OPhb42xWbL9NHaVJqKaXmzw2Qdt9bN\n\t 1p8lp3OJe857aByBKDh+022YrE8DCovc7WopruZQ1Xfd3tZOqvgI/N6PgppQ+XtaTP\n\t oASiaEZw0/pcEwJnFfl39+dkuMDVwJo5Hy7YDKAJ6EXbN32SIB39KaTpoeDDjaSoAB\n\t +3f0lFkXPM/jNia6LA3vbpFNfCnuk8XX5Defsaw402uxZ55oMJF2twIuOxy4LH/sS5\n\t VvWoGcWYjvEoA==", "Date": "Wed, 29 Apr 2026 07:55:45 -0700", "Subject": "[PATCH 12/19] fuse2fs: enable file IO to inline data files", "From": "\"Darrick J. Wong\" <djwong@kernel.org>", "To": "tytso@mit.edu", "Cc": "bernd@bsbernd.com, miklos@szeredi.hu, linux-ext4@vger.kernel.org,\n neal@gompa.dev, linux-fsdevel@vger.kernel.org, fuse-devel@lists.linux.dev,\n joannelkoong@gmail.com", "Message-ID": "<177747214752.4107473.16188658739141343172.stgit@frogsfrogsfrogs>", "In-Reply-To": "<177747214459.4107473.9520724883867588970.stgit@frogsfrogsfrogs>", "References": "<177747214459.4107473.9520724883867588970.stgit@frogsfrogsfrogs>", "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", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "7bit", "X-Spam-Status": "No, score=-1.2 required=5.0 tests=ARC_SIGNED,ARC_VALID,\n\tDKIMWL_WL_HIGH,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DMARC_PASS,\n\tMAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=disabled\n\tversion=4.0.1", "X-Spam-Checker-Version": "SpamAssassin 4.0.1 (2024-03-25) on gandalf.ozlabs.org" }, "content": "From: Darrick J. Wong <djwong@kernel.org>\n\nEnable file reads and writes from inline data files.\n\nSigned-off-by: \"Darrick J. Wong\" <djwong@kernel.org>\n---\n fuse4fs/fuse4fs.c | 3 ++-\n misc/fuse2fs.c | 42 ++++++++++++++++++++++++++++++++++++++++--\n 2 files changed, 42 insertions(+), 3 deletions(-)", "diff": "diff --git a/fuse4fs/fuse4fs.c b/fuse4fs/fuse4fs.c\nindex 3c3debb6f60ac7..e2421dda75475a 100644\n--- a/fuse4fs/fuse4fs.c\n+++ b/fuse4fs/fuse4fs.c\n@@ -6566,7 +6566,8 @@ static int fuse4fs_iomap_begin_read(struct fuse4fs *ff, ext2_ino_t ino,\n {\n \t/* fall back to slow path for inline data reads */\n \tif (inode->i_flags & EXT4_INLINE_DATA_FL)\n-\t\treturn -ENOSYS;\n+\t\treturn fuse4fs_iomap_begin_inline(ff, ino, inode, pos, count,\n+\t\t\t\t\t\t read);\n \n \tif (inode->i_flags & EXT4_EXTENTS_FL)\n \t\treturn fuse4fs_iomap_begin_extent(ff, ino, inode, pos, count,\ndiff --git a/misc/fuse2fs.c b/misc/fuse2fs.c\nindex 3c76eba683a10d..eecbf60a3360c6 100644\n--- a/misc/fuse2fs.c\n+++ b/misc/fuse2fs.c\n@@ -1846,7 +1846,16 @@ static void *op_init(struct fuse_conn_info *conn,\n \tcfg->use_ino = 1;\n \tif (ff->debug)\n \t\tcfg->debug = 1;\n-\tcfg->nullpath_ok = 1;\n+\n+\t/*\n+\t * Inline data file io depends on op_read/write being fed a path, so we\n+\t * have to slow everyone down to look up the path from the nodeid.\n+\t */\n+\tif (fuse2fs_iomap_enabled(ff) &&\n+\t ext2fs_has_feature_inline_data(ff->fs->super))\n+\t\tcfg->nullpath_ok = 0;\n+\telse\n+\t\tcfg->nullpath_ok = 1;\n \n \tfuse2fs_detach_losetup(ff);\n \n@@ -3840,6 +3849,9 @@ static int op_read(const char *path EXT2FS_ATTR((unused)), char *buf,\n \t\t size_t len, off_t offset,\n \t\t struct fuse_file_info *fp)\n {\n+\tstruct fuse2fs_file_handle fhurk = {\n+\t\t.magic = FUSE2FS_FILE_MAGIC,\n+\t};\n \tstruct fuse2fs *ff = fuse2fs_get();\n \tstruct fuse2fs_file_handle *fh = fuse2fs_get_handle(fp);\n \text2_filsys fs;\n@@ -3849,10 +3861,21 @@ static int op_read(const char *path EXT2FS_ATTR((unused)), char *buf,\n \tint ret = 0;\n \n \tFUSE2FS_CHECK_CONTEXT(ff);\n+\n+\tif (!fh)\n+\t\tfh = &fhurk;\n+\n \tFUSE2FS_CHECK_HANDLE(ff, fh);\n \tdbg_printf(ff, \"%s: ino=%d off=0x%llx len=0x%zx\\n\", __func__, fh->ino,\n \t\t (unsigned long long)offset, len);\n \tfs = fuse2fs_start(ff);\n+\n+\tif (fh == &fhurk) {\n+\t\tret = fuse2fs_file_ino(ff, path, NULL, &fhurk.ino);\n+\t\tif (ret)\n+\t\t\tgoto out;\n+\t}\n+\n \terr = ext2fs_file_open(fs, fh->ino, fh->open_flags, &efp);\n \tif (err) {\n \t\tret = translate_error(fs, fh->ino, err);\n@@ -3894,6 +3917,10 @@ static int op_write(const char *path EXT2FS_ATTR((unused)),\n \t\t const char *buf, size_t len, off_t offset,\n \t\t struct fuse_file_info *fp)\n {\n+\tstruct fuse2fs_file_handle fhurk = {\n+\t\t.magic = FUSE2FS_FILE_MAGIC,\n+\t\t.open_flags = EXT2_FILE_WRITE,\n+\t};\n \tstruct fuse2fs *ff = fuse2fs_get();\n \tstruct fuse2fs_file_handle *fh = fuse2fs_get_handle(fp);\n \text2_filsys fs;\n@@ -3903,6 +3930,10 @@ static int op_write(const char *path EXT2FS_ATTR((unused)),\n \tint ret = 0;\n \n \tFUSE2FS_CHECK_CONTEXT(ff);\n+\n+\tif (!fh)\n+\t\tfh = &fhurk;\n+\n \tFUSE2FS_CHECK_HANDLE(ff, fh);\n \tdbg_printf(ff, \"%s: ino=%d off=0x%llx len=0x%zx\\n\", __func__, fh->ino,\n \t\t (unsigned long long) offset, len);\n@@ -3917,6 +3948,12 @@ static int op_write(const char *path EXT2FS_ATTR((unused)),\n \t\tgoto out;\n \t}\n \n+\tif (fh == &fhurk) {\n+\t\tret = fuse2fs_file_ino(ff, path, NULL, &fhurk.ino);\n+\t\tif (ret)\n+\t\t\tgoto out;\n+\t}\n+\n \terr = ext2fs_file_open(fs, fh->ino, fh->open_flags, &efp);\n \tif (err) {\n \t\tret = translate_error(fs, fh->ino, err);\n@@ -5860,7 +5897,8 @@ static int fuse2fs_iomap_begin_read(struct fuse2fs *ff, ext2_ino_t ino,\n {\n \t/* fall back to slow path for inline data reads */\n \tif (inode->i_flags & EXT4_INLINE_DATA_FL)\n-\t\treturn -ENOSYS;\n+\t\treturn fuse2fs_iomap_begin_inline(ff, ino, inode, pos, count,\n+\t\t\t\t\t\t read);\n \n \tif (inode->i_flags & EXT4_EXTENTS_FL)\n \t\treturn fuse2fs_iomap_begin_extent(ff, ino, inode, pos, count,\n", "prefixes": [ "12/19" ] }