From patchwork Thu Mar 17 17:25:51 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Omar Sandoval X-Patchwork-Id: 12784373 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 893E4C433FE for ; Thu, 17 Mar 2022 17:26:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236869AbiCQR1i (ORCPT ); Thu, 17 Mar 2022 13:27:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54744 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236870AbiCQR1h (ORCPT ); Thu, 17 Mar 2022 13:27:37 -0400 Received: from mail-pj1-x1034.google.com (mail-pj1-x1034.google.com [IPv6:2607:f8b0:4864:20::1034]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 612C314DFE5 for ; Thu, 17 Mar 2022 10:26:21 -0700 (PDT) Received: by mail-pj1-x1034.google.com with SMTP id b8so5435698pjb.4 for ; Thu, 17 Mar 2022 10:26:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=osandov-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=N4Zc2VDwcN7WNUNPczgMrS6RYIapeQEbHJjjRCTXvSI=; b=3lO9WAU0II71mjlNVRHDpbb9L8LWK9QbcEUeh/sbYmZsFAtmkdVP3K/JFhtcSEX4Sn RsVRbCf1iRx325ddjWX5F8bFrCuptdeurb7FVXIv7a+iA/IIuxqdNAglEAAFM3BZd4cv wPqH806FTBYcsgX/6z3zzTiicAM1BBeCpM+11JA9+andTbjPZ58l7lFW1DzxmIemUa8R EAgGla0wWc2LwEACyYsvt15svyXSVPR+oM3LlJbNhucOrA1LESbLToSfWylI/G0GYhjT pkxvdVVLmxxy6l+j9Kx4qPTkTjmj9W7o7LoRaWXu3sunIVG7nTGr01DAa0KW4LqVNwVQ BJIA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=N4Zc2VDwcN7WNUNPczgMrS6RYIapeQEbHJjjRCTXvSI=; b=WFuSOBv1zZCMZgeHTKCCbYJjAx6u+F3zK4MMpTTUIpD4Lth/ZAWwye7VtbtY0m4QMX /Esq1DRyfNBe6v2sBymcOUimmN3lJpr0NOKxUgAIMg7DsOuDhbLl+7h+IwW1JbiIqMSV cMXBIPWBbYRH3IbhpY+iUVvDIfyRK6DKLKsIHyXHBMQgLmsVrw9seJULwGm7MBxH4G7s 5bms/ioiyMJ93URxnPjux+M/X7ZBJUY4Iht2aaeU4E5QHE3ffXoiHan+5Siu9q8jcVWn H4vIIsUxc2Rnf5ncllp/fEhAlSOUujAhUo/MWpBT5gUEf1PlYM3RcIgaWKNkhYw06yli MhrA== X-Gm-Message-State: AOAM532uQZZO8PMrRKTWmyNM6NFWB8/bt/E7+jFIzC3zQ8V4NoBXBQyD lW6i0wO0TPE5EYR4NEIR7omvf+t0ej6PaA== X-Google-Smtp-Source: ABdhPJx3WA+g6YIxvZY89r+/2SvsJL9xQJ9DMRA4oqu0Nrgwv0rICn8VdiQ9VxKOmaaN+nayp99cVQ== X-Received: by 2002:a17:902:8bc2:b0:149:1ce6:c28c with SMTP id r2-20020a1709028bc200b001491ce6c28cmr5939137plo.164.1647537980554; Thu, 17 Mar 2022 10:26:20 -0700 (PDT) Received: from relinquished.tfbnw.net ([2620:10d:c090:400::5:624e]) by smtp.gmail.com with ESMTPSA id q10-20020a056a00088a00b004f7ceff389esm7815424pfj.152.2022.03.17.10.26.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Mar 2022 10:26:20 -0700 (PDT) From: Omar Sandoval To: linux-btrfs@vger.kernel.org Cc: kernel-team@fb.com Subject: [PATCH v14 08/10] btrfs-progs: receive: process setflags ioctl commands Date: Thu, 17 Mar 2022 10:25:51 -0700 Message-Id: <7e92fa68eafefadb4f384b3b8cb2879b6edbcd89.1647537098.git.osandov@fb.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org From: Boris Burkov In send stream v2, send can emit a command for setting inode flags via the setflags ioctl. Pass the flags attribute through to the ioctl call in receive. Reviewed-by: Nikolay Borisov Signed-off-by: Boris Burkov --- cmds/receive-dump.c | 6 ++++++ cmds/receive.c | 25 +++++++++++++++++++++++++ common/send-stream.c | 7 +++++++ common/send-stream.h | 1 + 4 files changed, 39 insertions(+) diff --git a/cmds/receive-dump.c b/cmds/receive-dump.c index fa397bcf..df5991e1 100644 --- a/cmds/receive-dump.c +++ b/cmds/receive-dump.c @@ -339,6 +339,11 @@ static int print_fallocate(const char *path, int mode, u64 offset, u64 len, mode, offset, len); } +static int print_setflags(const char *path, int flags, void *user) +{ + return PRINT_DUMP(user, path, "setflags", "flags=%d", flags); +} + struct btrfs_send_ops btrfs_print_send_ops = { .subvol = print_subvol, .snapshot = print_snapshot, @@ -363,4 +368,5 @@ struct btrfs_send_ops btrfs_print_send_ops = { .update_extent = print_update_extent, .encoded_write = print_encoded_write, .fallocate = print_fallocate, + .setflags = print_setflags, }; diff --git a/cmds/receive.c b/cmds/receive.c index 4893d693..7f76a04f 100644 --- a/cmds/receive.c +++ b/cmds/receive.c @@ -38,6 +38,7 @@ #include #include #include +#include #include #include @@ -1284,6 +1285,29 @@ static int process_fallocate(const char *path, int mode, u64 offset, u64 len, return 0; } +static int process_setflags(const char *path, int flags, void *user) +{ + int ret; + struct btrfs_receive *rctx = user; + char full_path[PATH_MAX]; + + ret = path_cat_out(full_path, rctx->full_subvol_path, path); + if (ret < 0) { + error("setflags: path invalid: %s", path); + return ret; + } + ret = open_inode_for_write(rctx, full_path); + if (ret < 0) + return ret; + ret = ioctl(rctx->write_fd, FS_IOC_SETFLAGS, &flags); + if (ret < 0) { + ret = -errno; + error("setflags: setflags ioctl on %s failed: %m", path); + return ret; + } + return 0; +} + static struct btrfs_send_ops send_ops = { .subvol = process_subvol, .snapshot = process_snapshot, @@ -1308,6 +1332,7 @@ static struct btrfs_send_ops send_ops = { .update_extent = process_update_extent, .encoded_write = process_encoded_write, .fallocate = process_fallocate, + .setflags = process_setflags, }; static int do_receive(struct btrfs_receive *rctx, const char *tomnt, diff --git a/common/send-stream.c b/common/send-stream.c index 2d0aa624..21295cbb 100644 --- a/common/send-stream.c +++ b/common/send-stream.c @@ -374,6 +374,7 @@ static int read_and_process_cmd(struct btrfs_send_stream *sctx) int len; int xattr_len; int fallocate_mode; + int setflags_flags; ret = read_cmd(sctx); if (ret) @@ -546,8 +547,14 @@ static int read_and_process_cmd(struct btrfs_send_stream *sctx) ret = sctx->ops->fallocate(path, fallocate_mode, offset, tmp, sctx->user); break; + case BTRFS_SEND_C_SETFLAGS: + TLV_GET_STRING(sctx, BTRFS_SEND_A_PATH, &path); + TLV_GET_U32(sctx, BTRFS_SEND_A_SETFLAGS_FLAGS, &setflags_flags); + ret = sctx->ops->setflags(path, setflags_flags, sctx->user); + break; } + tlv_get_failed: out: free(path); diff --git a/common/send-stream.h b/common/send-stream.h index 61a88d3d..3189f889 100644 --- a/common/send-stream.h +++ b/common/send-stream.h @@ -59,6 +59,7 @@ struct btrfs_send_ops { u32 encryption, void *user); int (*fallocate)(const char *path, int mode, u64 offset, u64 len, void *user); + int (*setflags)(const char *path, int flags, void *user); }; int btrfs_read_and_process_send_stream(int fd,