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GET /api/1.1/patches/2230322/?format=api
{ "id": 2230322, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2230322/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/patch/177747215544.4110156.9861127440007449277.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": "<177747215544.4110156.9861127440007449277.stgit@frogsfrogsfrogs>", "date": "2026-04-29T15:00:57", "name": "[09/10] fuse2fs: set sync, immutable, and append at file load time", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "7025c26d64a7407101597cf3b13b185078bc0b08", "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/177747215544.4110156.9861127440007449277.stgit@frogsfrogsfrogs/mbox/", "series": [ { "id": 502091, "url": "http://patchwork.ozlabs.org/api/1.1/series/502091/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-ext4/list/?series=502091", "date": "2026-04-29T14:59:24", "name": "[01/10] fuse2fs: add strictatime/lazytime mount options", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/502091/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2230322/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2230322/checks/", "tags": {}, "headers": { "Return-Path": "\n <SRS0=vqo+=C4=vger.kernel.org=linux-ext4+bounces-16221-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=KlHyhaLy;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=ozlabs.org\n (client-ip=150.107.74.76; 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a=rsa-sha256; d=subspace.kernel.org;\n\ts=arc-20240116; t=1777474858; c=relaxed/simple;\n\tbh=NhaC0QNCt71AY0orHcuq9ayVQKStY2oGN6eFZ3zXh4w=;\n\th=Date:Subject:From:To:Cc:Message-ID:In-Reply-To:References:\n\t MIME-Version:Content-Type;\n b=jA5gkN52SNBPF1N1+FCBijuurFBlabXZHsPi5YojS6ms9klkScbqknVAdrxNpxiGQDzwI3zYxu/m5co2WdxIehVedX7CjMfTnCRmqBTwDQjsC6RqKdde7Jj4BBU9D0MTMpab4PT3Ygxf50JOwHBLP1fcGpZpPN1YI1IrQySepC4=" ], "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=KlHyhaLy; dkim-atps=neutral;\n spf=pass (client-ip=172.232.135.74; helo=sto.lore.kernel.org;\n envelope-from=linux-ext4+bounces-16221-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=KlHyhaLy; 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=1777474858;\n\tbh=NhaC0QNCt71AY0orHcuq9ayVQKStY2oGN6eFZ3zXh4w=;\n\th=Date:Subject:From:To:Cc:In-Reply-To:References:From;\n\tb=KlHyhaLyo6nOsj7GOQsrNj94KBLhUplK3HJEw2BTYKRQ9MF2xCVZQeHlWLoqDPa2q\n\t UhkP/gAuGCH3eIZhX/wC0jh3gmt2niPZtxkigyHz2IEsev2OHwAyrusoyIpjbfLVPz\n\t v4pBP1JdHpn8nX1t6bU2Fmy+ifg6OM9H5YnHcRY+FTCkCh4P++mQhZ4hfkuqkp+2lG\n\t lKmX2e6T4buST5UHpoblPaKgKGPfDdBqynfFlmkWr2dc43qo/c8Xj83ZnxK8oLMR33\n\t WojPl/oRv2ytxbKrYunBxqpgjbfJNlEzre4hyipm3B91hAO06m/Mw7ohL0PWB+cu1B\n\t Yosa9oi005pMg==", "Date": "Wed, 29 Apr 2026 08:00:57 -0700", "Subject": "[PATCH 09/10] fuse2fs: set sync, immutable,\n and append at file load time", "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": "<177747215544.4110156.9861127440007449277.stgit@frogsfrogsfrogs>", "In-Reply-To": "<177747215344.4110156.17216553139316774040.stgit@frogsfrogsfrogs>", "References": "<177747215344.4110156.17216553139316774040.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\nConvey these three inode flags to the kernel when we're loading a file.\nThis way the kernel can advertise and enforce those flags so that the\nfuse server doesn't have to.\n\nSigned-off-by: \"Darrick J. Wong\" <djwong@kernel.org>\n---\n fuse4fs/fuse4fs.c | 16 ++++++++++++++++\n misc/fuse2fs.c | 53 ++++++++++++++++++++++++++++++++++++++---------------\n 2 files changed, 54 insertions(+), 15 deletions(-)", "diff": "diff --git a/fuse4fs/fuse4fs.c b/fuse4fs/fuse4fs.c\nindex 51958d6677288c..b4105333f4fe22 100644\n--- a/fuse4fs/fuse4fs.c\n+++ b/fuse4fs/fuse4fs.c\n@@ -2441,6 +2441,22 @@ static int fuse4fs_stat_inode(struct fuse4fs *ff, ext2_ino_t ino,\n \tentry->entry_timeout = FUSE4FS_ATTR_TIMEOUT;\n \n \tfstat->iflags = 0;\n+\n+#ifdef FUSE_IFLAG_SYNC\n+\tif (inodep->i_flags & EXT2_SYNC_FL)\n+\t\tfstat->iflags |= FUSE_IFLAG_SYNC;\n+#endif\n+\n+#ifdef FUSE_IFLAG_IMMUTABLE\n+\tif (inodep->i_flags & EXT2_IMMUTABLE_FL)\n+\t\tfstat->iflags |= FUSE_IFLAG_IMMUTABLE;\n+#endif\n+\n+#ifdef FUSE_IFLAG_APPEND\n+\tif (inodep->i_flags & EXT2_APPEND_FL)\n+\t\tfstat->iflags |= FUSE_IFLAG_APPEND;\n+#endif\n+\n #ifdef HAVE_FUSE_IOMAP\n \tif (fuse4fs_iomap_enabled(ff)) {\n \t\tfstat->iflags |= FUSE_IFLAG_IOMAP | FUSE_IFLAG_EXCLUSIVE;\ndiff --git a/misc/fuse2fs.c b/misc/fuse2fs.c\nindex 026c547618b5cd..6e4780121d5c83 100644\n--- a/misc/fuse2fs.c\n+++ b/misc/fuse2fs.c\n@@ -1956,7 +1956,7 @@ static void *op_init(struct fuse_conn_info *conn,\n }\n \n static int fuse2fs_stat(struct fuse2fs *ff, ext2_ino_t ino,\n-\t\t\tstruct stat *statbuf)\n+\t\t\tstruct stat *statbuf, unsigned int *iflags)\n {\n \tstruct ext2_inode_large inode;\n \text2_filsys fs = ff->fs;\n@@ -2013,6 +2013,7 @@ static int fuse2fs_stat(struct fuse2fs *ff, ext2_ino_t ino,\n \t\t\tstatbuf->st_rdev = inode.i_block[1];\n \t}\n \n+\t*iflags = inode.i_flags;\n \treturn ret;\n }\n \n@@ -2047,22 +2048,31 @@ static int __fuse2fs_file_ino(struct fuse2fs *ff, const char *path,\n # define fuse2fs_file_ino(ff, path, fp, inop) \\\n \t__fuse2fs_file_ino((ff), (path), (fp), (inop), __func__, __LINE__)\n \n+static int fuse2fs_getattr(struct fuse2fs *ff, const char *path,\n+\t\t\t struct stat *statbuf, struct fuse_file_info *fi,\n+\t\t\t unsigned int *iflags)\n+{\n+\text2_ino_t ino;\n+\tint ret = 0;\n+\n+\tFUSE2FS_CHECK_CONTEXT(ff);\n+\tfuse2fs_start(ff);\n+\tret = fuse2fs_file_ino(ff, path, fi, &ino);\n+\tif (ret)\n+\t\tgoto out;\n+\tret = fuse2fs_stat(ff, ino, statbuf, iflags);\n+out:\n+\tfuse2fs_finish(ff, ret);\n+\treturn ret;\n+}\n+\n static int op_getattr(const char *path, struct stat *statbuf,\n \t\t struct fuse_file_info *fi)\n {\n \tstruct fuse2fs *ff = fuse2fs_get();\n-\text2_ino_t ino;\n-\tint ret = 0;\n+\tunsigned int dontcare;\n \n-\tFUSE2FS_CHECK_CONTEXT(ff);\n-\tfuse2fs_start(ff);\n-\tret = fuse2fs_file_ino(ff, path, fi, &ino);\n-\tif (ret)\n-\t\tgoto out;\n-\tret = fuse2fs_stat(ff, ino, statbuf);\n-out:\n-\tfuse2fs_finish(ff, ret);\n-\treturn ret;\n+\treturn fuse2fs_getattr(ff, path, statbuf, fi, &dontcare);\n }\n \n #if FUSE_VERSION >= FUSE_MAKE_VERSION(3, 99)\n@@ -2070,11 +2080,21 @@ static int op_getattr_iflags(const char *path, struct stat *statbuf,\n \t\t\t unsigned int *iflags, struct fuse_file_info *fi)\n {\n \tstruct fuse2fs *ff = fuse2fs_get();\n-\tint ret = op_getattr(path, statbuf, fi);\n+\tunsigned int i_flags;\n+\tint ret = fuse2fs_getattr(ff, path, statbuf, fi, &i_flags);\n \n \tif (ret)\n \t\treturn ret;\n \n+\tif (i_flags & EXT2_SYNC_FL)\n+\t\t*iflags |= FUSE_IFLAG_SYNC;\n+\n+\tif (i_flags & EXT2_IMMUTABLE_FL)\n+\t\t*iflags |= FUSE_IFLAG_IMMUTABLE;\n+\n+\tif (i_flags & EXT2_APPEND_FL)\n+\t\t*iflags |= FUSE_IFLAG_APPEND;\n+\n \tif (fuse_fs_can_enable_iomap(statbuf)) {\n \t\t*iflags |= FUSE_IFLAG_IOMAP | FUSE_IFLAG_EXCLUSIVE;\n \n@@ -3844,12 +3864,13 @@ static int fuse2fs_punch_posteof(struct fuse2fs *ff, ext2_ino_t ino,\n static int fuse2fs_file_uses_iomap(struct fuse2fs *ff, ext2_ino_t ino)\n {\n \tstruct stat statbuf;\n+\tunsigned int dontcare;\n \tint ret;\n \n \tif (!fuse2fs_iomap_enabled(ff))\n \t\treturn 0;\n \n-\tret = fuse2fs_stat(ff, ino, &statbuf);\n+\tret = fuse2fs_stat(ff, ino, &statbuf, &dontcare);\n \tif (ret)\n \t\treturn ret;\n \n@@ -4758,7 +4779,9 @@ static int op_readdir_iter(ext2_ino_t dir EXT2FS_ATTR((unused)),\n \t\t\t(unsigned long long)i->dirpos);\n \n \tif (i->flags == FUSE_READDIR_PLUS) {\n-\t\tret = fuse2fs_stat(i->ff, dirent->inode, &stat);\n+\t\tunsigned int dontcare;\n+\n+\t\tret = fuse2fs_stat(i->ff, dirent->inode, &stat, &dontcare);\n \t\tif (ret)\n \t\t\treturn DIRENT_ABORT;\n \t}\n", "prefixes": [ "09/10" ] }