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 2D19F3074AC for ; Thu, 6 Nov 2025 22:32:57 +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=1762468377; cv=none; b=GZBCsCSDPKS1dmhukzJeIJJPEL5gnBNWBc3LUwdbftaiMhzdd/MEEIWGNCH2CBY1V4NUe3VEe+vA2obA1yP6T1e/RZuh0sUleH6PeEeZD8wU2M9kYuVZceXThKUg1JwlZIQO/znPfOwvuPYe/7SIdBLbn7P+WnlrsFgYxVHGFl4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762468377; c=relaxed/simple; bh=HfrgrXfWvNvpNn3QOxHfolme+B+SMSIZZmfX4LKLJoU=; h=Date:Subject:From:To:Cc:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=uYvxkXoE1Y7IQNjNM8lzNXrkDxUarPstCunKeMLSDIOc3eVOhDhr8aIpYfbCSSDzb+AatOMKiFYEgkHnGHoviFK9grJI1zBva1iswhNBhWEsMNN3NJ9p1DdCqNDrnXyk2devn0793ym4FtFE9NIvgeVPLZ6v6gLWe7vsT2dsSNg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=GGAEpush; 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="GGAEpush" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E5B34C19422; Thu, 6 Nov 2025 22:32:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762468377; bh=HfrgrXfWvNvpNn3QOxHfolme+B+SMSIZZmfX4LKLJoU=; h=Date:Subject:From:To:Cc:In-Reply-To:References:From; b=GGAEpush9b5zd+x7bl8xEvWHp2FASzxih/sxKkhsjn188ylSwcBlI4l+P1n2KReRx QbMYywzb43dSCeGm55MkdnNTSD1glf6KEs4ew4D2o3W9MG+SMUUwzJF+7OHZc4nyR9 5SmhLVKvy018TJdEbtwLZrF2mxllas+8ceM3DcfED0Ln8T8pISKwv5FKYp/d2RCQfs J0ImsKYzJnB9CfARkfIfVz3zw+PiFnGccisH8p9WHBxrDnrvi3+jilj60lzMYu72PT PGKv+sORCLM+iMsgaow7dD03sluoNFWTcO6NpPaiokBZn1u9Vxe5ioVJedi/m/mPTR vyef0G4o715CQ== Date: Thu, 06 Nov 2025 14:32:56 -0800 Subject: [PATCH 07/19] fuse2fs: read bitmaps asynchronously during initialization From: "Darrick J. Wong" To: tytso@mit.edu Cc: linux-ext4@vger.kernel.org Message-ID: <176246793754.2862242.7421695138830555566.stgit@frogsfrogsfrogs> In-Reply-To: <176246793541.2862242.16879509838698966689.stgit@frogsfrogsfrogs> References: <176246793541.2862242.16879509838698966689.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 The kernel reads the bitmaps asynchronously when the filesystem is mounted. Do this as well in fuse2fs to reduce mount times. Signed-off-by: "Darrick J. Wong" --- misc/fuse2fs.c | 29 +++++++++++++++++++---------- 1 file changed, 19 insertions(+), 10 deletions(-) diff --git a/misc/fuse2fs.c b/misc/fuse2fs.c index 3e02eb13ec5488..ebb0539abc2237 100644 --- a/misc/fuse2fs.c +++ b/misc/fuse2fs.c @@ -981,6 +981,21 @@ static int fuse2fs_setup_logging(struct fuse2fs *ff) return 0; } +static int fuse2fs_read_bitmaps(struct fuse2fs *ff) +{ + errcode_t err; + + err = ext2fs_read_inode_bitmap(ff->fs); + if (err) + return translate_error(ff->fs, 0, err); + + err = ext2fs_read_block_bitmap(ff->fs); + if (err) + return translate_error(ff->fs, 0, err); + + return 0; +} + static void *op_init(struct fuse_conn_info *conn #if FUSE_VERSION >= FUSE_MAKE_VERSION(3, 0) , struct fuse_config *cfg EXT2FS_ATTR((unused)) @@ -1028,6 +1043,10 @@ static void *op_init(struct fuse_conn_info *conn uuid_unparse(fs->super->s_uuid, uuid); log_printf(ff, "%s %s.\n", _("mounted filesystem"), uuid); } + + if (global_fs->flags & EXT2_FLAG_RW) + fuse2fs_read_bitmaps(ff); + return ff; } @@ -5001,16 +5020,6 @@ int main(int argc, char *argv[]) _("Warning: fuse2fs does not support using the journal.\n" "There may be file system corruption or data loss if\n" "the file system is not gracefully unmounted.\n")); - err = ext2fs_read_inode_bitmap(global_fs); - if (err) { - translate_error(global_fs, 0, err); - goto out; - } - err = ext2fs_read_block_bitmap(global_fs); - if (err) { - translate_error(global_fs, 0, err); - goto out; - } } if (!(global_fs->super->s_state & EXT2_VALID_FS))