From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 40FC43208; Wed, 29 Oct 2025 01:15:13 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761700513; cv=none; b=VTJpMEF8N0E0S4rLYdLkYcOmul/pQx2z5G7rOHiFh98ZFJ2xvz1Bd9paO3mh8tcxSrvrOKouWPAOJTGP/W+RmZPz+4GpWMOViwW1fwF13x1DB03c4XsU/MMXEP8Coag71z+caVxc5yylJwU98CMAOGSmGa72N3L2vdXJwHlCcLg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1761700513; c=relaxed/simple; bh=ixPCr6l5zUy+C8aLvEc0255QiwS75aFl7nftL/2gPbc=; h=Date:Subject:From:To:Cc:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=N5mZdjftLocKNmh9L5/vdbYrOSwJa1zU8eXGjKEGruMlbl3KcEQHQGOJfuzWKpfiUR/uhqt0nrbdxxmKFY8iSJF2KJKvTxy6U3ts3MdP0cpAFebTT5YHP+AtSGYAzoDjeR0AW+rUl6K6zLTunHOPA3+srxuoLmQnNgi3XkbquqY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Mgjk1bmB; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Mgjk1bmB" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 16C76C4CEE7; Wed, 29 Oct 2025 01:15:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1761700513; bh=ixPCr6l5zUy+C8aLvEc0255QiwS75aFl7nftL/2gPbc=; h=Date:Subject:From:To:Cc:In-Reply-To:References:From; b=Mgjk1bmBp+yxDrac7v5ybqJhIlwK3sG0FKm5AI6NGBTy8H6e7NYurAXyb+pQ1iqnJ FLpQYH7xqM5WT68ohbxhm3Gb1KvoS5E5VISw2AiInPS2I6FIIR7JES0aGauEXAknqv FXvWACo336hMKGc4HwejwlZ6AfC0LveCP72wwlGj5offNGnpy3YU3cx7rk1W7ak7r0 FMF1zk/ja5aZ+yG9WjQMqWSXUc8cP24UEWQ52c2JW5EyxWM8ykYM5DpBRkXvyUaTUp +6m8sGsSppy9qlkOOlHjLHFT0occD9Uv85/8MEoc94qPmQNLb3lcJl8d1KPWqP1Zqc uCHcVKQbIxYLQ== Date: Tue, 28 Oct 2025 18:15:12 -0700 Subject: [PATCH 07/11] fuse2fs: add tracing for retrieving timestamps From: "Darrick J. Wong" To: tytso@mit.edu Cc: linux-fsdevel@vger.kernel.org, joannelkoong@gmail.com, bernd@bsbernd.com, neal@gompa.dev, miklos@szeredi.hu, linux-ext4@vger.kernel.org Message-ID: <176169818350.1430380.9100488831783543731.stgit@frogsfrogsfrogs> In-Reply-To: <176169818170.1430380.13590456647130347042.stgit@frogsfrogsfrogs> References: <176169818170.1430380.13590456647130347042.stgit@frogsfrogsfrogs> Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit From: Darrick J. Wong Add tracing for retrieving timestamps so we can debug the weird behavior. Signed-off-by: "Darrick J. Wong" --- misc/fuse2fs.c | 20 ++++++++++++++------ 1 file changed, 14 insertions(+), 6 deletions(-) diff --git a/misc/fuse2fs.c b/misc/fuse2fs.c index de712461492e05..10673aaed60dea 100644 --- a/misc/fuse2fs.c +++ b/misc/fuse2fs.c @@ -1940,9 +1940,11 @@ static void *op_init(struct fuse_conn_info *conn, return ff; } -static int stat_inode(ext2_filsys fs, ext2_ino_t ino, struct stat *statbuf) +static int fuse2fs_stat(struct fuse2fs *ff, ext2_ino_t ino, + struct stat *statbuf) { struct ext2_inode_large inode; + ext2_filsys fs = ff->fs; dev_t fakedev = 0; errcode_t err; int ret = 0; @@ -1981,6 +1983,13 @@ static int stat_inode(ext2_filsys fs, ext2_ino_t ino, struct stat *statbuf) #else statbuf->st_ctime = tv.tv_sec; #endif + + dbg_printf(ff, "%s: ino=%d atime=%lld.%ld mtime=%lld.%ld ctime=%lld.%ld\n", + __func__, ino, + (long long int)statbuf->st_atim.tv_sec, statbuf->st_atim.tv_nsec, + (long long int)statbuf->st_mtim.tv_sec, statbuf->st_mtim.tv_nsec, + (long long int)statbuf->st_ctim.tv_sec, statbuf->st_ctim.tv_nsec); + if (LINUX_S_ISCHR(inode.i_mode) || LINUX_S_ISBLK(inode.i_mode)) { if (inode.i_block[0]) @@ -2027,16 +2036,15 @@ static int op_getattr(const char *path, struct stat *statbuf, struct fuse_file_info *fi) { struct fuse2fs *ff = fuse2fs_get(); - ext2_filsys fs; ext2_ino_t ino; int ret = 0; FUSE2FS_CHECK_CONTEXT(ff); - fs = fuse2fs_start(ff); + fuse2fs_start(ff); ret = fuse2fs_file_ino(ff, path, fi, &ino); if (ret) goto out; - ret = stat_inode(fs, ino, statbuf); + ret = fuse2fs_stat(ff, ino, statbuf); out: fuse2fs_finish(ff, ret); return ret; @@ -3826,7 +3834,7 @@ static int fuse2fs_file_uses_iomap(struct fuse2fs *ff, ext2_ino_t ino) if (!fuse2fs_iomap_enabled(ff)) return 0; - ret = stat_inode(ff->fs, ino, &statbuf); + ret = fuse2fs_stat(ff, ino, &statbuf); if (ret) return ret; @@ -4728,7 +4736,7 @@ static int op_readdir_iter(ext2_ino_t dir EXT2FS_ATTR((unused)), (unsigned long long)i->dirpos); if (i->flags == FUSE_READDIR_PLUS) { - ret = stat_inode(i->fs, dirent->inode, &stat); + ret = fuse2fs_stat(i->ff, dirent->inode, &stat); if (ret) return DIRENT_ABORT; }