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 A1A2A2EA151; Mon, 23 Feb 2026 23:43:07 +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=1771890187; cv=none; b=Jd+UUOqFVI2nnt9ps0CMyEbcwLW2c072vSA5zlUxygDDrUjaayFqTLbT7viTkh2BcGZkskx6pc7EjSPWOR0ObbZGXbi5Dh/CYBckWFTmVIncRAsbOiqM+gD4s6W33ZYfxtzp7S6hkAzCEy+OZ6wbde186DTyDXwlFgnzIR94qdc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771890187; c=relaxed/simple; bh=7dPNRxOSe/7H+Da9oHvOVM3RG/GaWVBgFEe5Zm6sKSs=; h=Date:Subject:From:To:Cc:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=XGOFPIF1+qZ5ZW9cXbKHzsXtLzn49xj8KMr8rnI4E9xM4OpUSXIXNgy8CDwFjcClLkcN3RYUs7peFr5akzD0UYHUVCQKRf/TbjslprH/G25r55PueOsCUAhKMo1rMF1Dkj7vyPeKNByl4gjhi/fqqRoIyo+0lSCA790ni1BoBKU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=TfSGv3dq; 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="TfSGv3dq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3EDC3C116C6; Mon, 23 Feb 2026 23:43:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1771890187; bh=7dPNRxOSe/7H+Da9oHvOVM3RG/GaWVBgFEe5Zm6sKSs=; h=Date:Subject:From:To:Cc:In-Reply-To:References:From; b=TfSGv3dqudX0Sc1DsXhRntRwrrRiOmcrBYa7dn6zNFHPRtSXKGpa3Sj5vaI2tZBIL J5pF3XuSxIZwD01ezkzdZjhMEIan763ejv49zS7gYcBmueNFkzeNDXFv57IFYt0NzT Y6HPDOzakPgJxqMnb7j2WMmzLUuWNFgVPkTNiWllREpOcoeebeV+eoSxapsM5NDFEL g7//Kykwd4TASsL/RHBYWLrmlO6UPwy3MWwx0ALLrfHxPG6gk+uXZy6lNpt6yed/OA QARgorzjGNlrpEbAse6wud85QPHgAyCVBp1MOBw/5mWnYAL6vmier9XbkkzMGYpooH a/AmHYXFI74IQ== Date: Mon, 23 Feb 2026 15:43:06 -0800 Subject: [PATCH 07/10] fuse2fs: add tracing for retrieving timestamps From: "Darrick J. Wong" To: tytso@mit.edu Cc: bpf@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, miklos@szeredi.hu, bernd@bsbernd.com, joannelkoong@gmail.com, neal@gompa.dev Message-ID: <177188745306.3944028.16378672825168795763.stgit@frogsfrogsfrogs> In-Reply-To: <177188745140.3944028.16289511572192714858.stgit@frogsfrogsfrogs> References: <177188745140.3944028.16289511572192714858.stgit@frogsfrogsfrogs> Precedence: bulk X-Mailing-List: linux-fsdevel@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 9b536fe77dda37..b11ffec3603bf9 100644 --- a/misc/fuse2fs.c +++ b/misc/fuse2fs.c @@ -1946,9 +1946,11 @@ 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; @@ -1987,6 +1989,13 @@ 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]) @@ -2033,16 +2042,15 @@ 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; @@ -3832,7 +3840,7 @@ 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; @@ -4741,7 +4749,7 @@ 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; }