From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-00082601.pphosted.com (mx0b-00082601.pphosted.com [67.231.153.30]) (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 3039522330F for ; Thu, 15 May 2025 16:37:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=67.231.153.30 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747327023; cv=none; b=NlU5WVJviW7icZM4owa+EARUeGJ5h8kMSD5seCun3v3eCwSCzF94BnjQzCE/ThjSMoDoOCwQ4nho3EzTSPe6hSuY0S8UarjIWT7P6ifUYB2h2Db+cSQXG5RIB5ESynhw6m/GBEOpAKdxQ4EbFF45+PFOApzjAxDiJ73ak/5FYZM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747327023; c=relaxed/simple; bh=zMjV6yXZurSzG4+zBOlRgDOVYTiflAghESpyrUjulyU=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Ibm5iJ/BHS+IJgmYg2Ckt0WnvJyi0L0F3aWPFWC9aocQiAk37TDtQjEnr4QbzmhfMDOFyaL6K3v2B/gzgMjMf/DjqsiDKxTRxklS81SL5xbfsiUnS7JI24Ht47ZmP1pofsemhPlE6QZxFJhnWtov8KV4qH4EcXgusfq1D4YNesY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=fb.com; spf=pass smtp.mailfrom=meta.com; dkim=pass (1024-bit key) header.d=fb.com header.i=@fb.com header.b=fsMVk2TS; arc=none smtp.client-ip=67.231.153.30 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=fb.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=meta.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=fb.com header.i=@fb.com header.b="fsMVk2TS" Received: from pps.filterd (m0001303.ppops.net [127.0.0.1]) by m0001303.ppops.net (8.18.1.2/8.18.1.2) with ESMTP id 54FFiLt3032296 for ; Thu, 15 May 2025 09:37:00 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fb.com; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=facebook; bh=Y oCrtATZ1r7Gfu1UYTAW0Nh9DB1m7ODUWLpgwLMEs1A=; b=fsMVk2TS3WAzu10YG 7a3aiCsl5xbdxfcb4uSjcQaxHj4oLc0LeIoQ9MBKhviA/Rq0Jwgc+5yzfFfB1Vm6 +SUx/GYgDWMv3Bw9Pslp0sj8wmLqNpYL+4P5phqFbi9EtuqX47787nL/zDw62+Km VMg7RP0WMRtiHIAjtkOsei+jwc= Received: from mail.thefacebook.com ([163.114.134.16]) by m0001303.ppops.net (PPS) with ESMTPS id 46mmw2mu9x-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Thu, 15 May 2025 09:36:59 -0700 (PDT) Received: from twshared11082.06.ash8.facebook.com (2620:10d:c085:208::7cb7) by mail.thefacebook.com (2620:10d:c08b:78::2ac9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.2.1748.10; Thu, 15 May 2025 16:36:57 +0000 Received: by devbig276.nha1.facebook.com (Postfix, from userid 660015) id 0EBA4F3BE104; Thu, 15 May 2025 17:36:46 +0100 (BST) From: Mark Harmstone To: CC: Mark Harmstone Subject: [RFC PATCH 01/10] btrfs: add definitions and constants for remap-tree Date: Thu, 15 May 2025 17:36:29 +0100 Message-ID: <20250515163641.3449017-2-maharmstone@fb.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250515163641.3449017-1-maharmstone@fb.com> References: <20250515163641.3449017-1-maharmstone@fb.com> Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-GUID: Ozzp95JZ9zjRpUtjIslJpYzHZvOOx9rj X-Proofpoint-ORIG-GUID: Ozzp95JZ9zjRpUtjIslJpYzHZvOOx9rj X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNTE1MDE2NCBTYWx0ZWRfX89hnPhL8rvLP e/hcDK4dM/XsJomIjd8+c7vp/+sV6L/qAZCQe+34aPrqPf4/976WMC6tDUa8uVfznrXVYsHE8r5 Lsh8ZKgoKL5YRQ35zcz91MCi8kMjDmmY9zhWPr7XHEtX6XdjymBL7UtJnrDfGLWlk0oeT7viOnX q6WrSgzVInExqh3jN4VnvAgrtS6ynh/x3uP9vwWbT5OkxxUqxNGwhZixJOlNPZmo/0avp3qeMp0 pcv1K76RLsFERZ3r2OZZaXsCXPIZZUgscbKZR073sMlYiwU+4n8YghRZ22nDGnHoVVxPc2PehkS 0BLjX7QCzH3LKWAf5IQGhT5WGbhNiFPyrV1iE4+gvDc2lpW7A43YPQgjVLSGOeSTshj9u5XRKk+ G5wQIK4VPbnR0oF9vfpQnzskWQvGUmiI+/6Gw3g6O85wTUXqdwEIhPbuFiHpvXOrkohyZ6qO X-Authority-Analysis: v=2.4 cv=DtZW+H/+ c=1 sm=1 tr=0 ts=6826182b cx=c_pps a=CB4LiSf2rd0gKozIdrpkBw==:117 a=CB4LiSf2rd0gKozIdrpkBw==:17 a=dt9VzEwgFbYA:10 a=FOH2dFAWAAAA:8 a=KFvQRHhEJ8czjn08fOUA:9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-05-15_07,2025-05-15_01,2025-03-28_01 Add an incompat flag for the new remap-tree feature, and the constants and definitions needed to support it. Signed-off-by: Mark Harmstone --- fs/btrfs/accessors.h | 3 +++ fs/btrfs/sysfs.c | 2 ++ fs/btrfs/tree-checker.c | 6 ++++-- fs/btrfs/volumes.c | 1 + include/uapi/linux/btrfs.h | 1 + include/uapi/linux/btrfs_tree.h | 12 ++++++++++++ 6 files changed, 23 insertions(+), 2 deletions(-) diff --git a/fs/btrfs/accessors.h b/fs/btrfs/accessors.h index 15ea6348800b..5f5eda8d6f9e 100644 --- a/fs/btrfs/accessors.h +++ b/fs/btrfs/accessors.h @@ -1046,6 +1046,9 @@ BTRFS_SETGET_STACK_FUNCS(stack_verity_descriptor_en= cryption, BTRFS_SETGET_STACK_FUNCS(stack_verity_descriptor_size, struct btrfs_verity_descriptor_item, size, 64); =20 +BTRFS_SETGET_FUNCS(remap_address, struct btrfs_remap, address, 64); +BTRFS_SETGET_STACK_FUNCS(stack_remap_address, struct btrfs_remap, addres= s, 64); + /* Cast into the data area of the leaf. */ #define btrfs_item_ptr(leaf, slot, type) \ ((type *)(btrfs_item_nr_offset(leaf, 0) + btrfs_item_offset(leaf, slot)= )) diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 5d93d9dd2c12..3165194f62ab 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -292,6 +292,7 @@ BTRFS_FEAT_ATTR_COMPAT_RO(free_space_tree, FREE_SPACE= _TREE); BTRFS_FEAT_ATTR_COMPAT_RO(block_group_tree, BLOCK_GROUP_TREE); BTRFS_FEAT_ATTR_INCOMPAT(raid1c34, RAID1C34); BTRFS_FEAT_ATTR_INCOMPAT(simple_quota, SIMPLE_QUOTA); +BTRFS_FEAT_ATTR_INCOMPAT(remap_tree, REMAP_TREE); #ifdef CONFIG_BLK_DEV_ZONED BTRFS_FEAT_ATTR_INCOMPAT(zoned, ZONED); #endif @@ -326,6 +327,7 @@ static struct attribute *btrfs_supported_feature_attr= s[] =3D { BTRFS_FEAT_ATTR_PTR(raid1c34), BTRFS_FEAT_ATTR_PTR(block_group_tree), BTRFS_FEAT_ATTR_PTR(simple_quota), + BTRFS_FEAT_ATTR_PTR(remap_tree), #ifdef CONFIG_BLK_DEV_ZONED BTRFS_FEAT_ATTR_PTR(zoned), #endif diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c index 8f4703b488b7..a83fb828723a 100644 --- a/fs/btrfs/tree-checker.c +++ b/fs/btrfs/tree-checker.c @@ -913,11 +913,13 @@ int btrfs_check_chunk_valid(const struct btrfs_fs_i= nfo *fs_info, return -EUCLEAN; } if (unlikely(type & ~(BTRFS_BLOCK_GROUP_TYPE_MASK | - BTRFS_BLOCK_GROUP_PROFILE_MASK))) { + BTRFS_BLOCK_GROUP_PROFILE_MASK | + BTRFS_BLOCK_GROUP_REMAPPED))) { chunk_err(fs_info, leaf, chunk, logical, "unrecognized chunk type: 0x%llx", ~(BTRFS_BLOCK_GROUP_TYPE_MASK | - BTRFS_BLOCK_GROUP_PROFILE_MASK) & type); + BTRFS_BLOCK_GROUP_PROFILE_MASK | + BTRFS_BLOCK_GROUP_REMAPPED) & type); return -EUCLEAN; } =20 diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 89835071cfea..e041964d03c8 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -234,6 +234,7 @@ void btrfs_describe_block_groups(u64 bg_flags, char *= buf, u32 size_buf) DESCRIBE_FLAG(BTRFS_BLOCK_GROUP_DATA, "data"); DESCRIBE_FLAG(BTRFS_BLOCK_GROUP_SYSTEM, "system"); DESCRIBE_FLAG(BTRFS_BLOCK_GROUP_METADATA, "metadata"); + DESCRIBE_FLAG(BTRFS_BLOCK_GROUP_REMAPPED, "remapped"); =20 DESCRIBE_FLAG(BTRFS_AVAIL_ALLOC_BIT_SINGLE, "single"); for (i =3D 0; i < BTRFS_NR_RAID_TYPES; i++) diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h index dd02160015b2..d857cdc7694a 100644 --- a/include/uapi/linux/btrfs.h +++ b/include/uapi/linux/btrfs.h @@ -336,6 +336,7 @@ struct btrfs_ioctl_fs_info_args { #define BTRFS_FEATURE_INCOMPAT_EXTENT_TREE_V2 (1ULL << 13) #define BTRFS_FEATURE_INCOMPAT_RAID_STRIPE_TREE (1ULL << 14) #define BTRFS_FEATURE_INCOMPAT_SIMPLE_QUOTA (1ULL << 16) +#define BTRFS_FEATURE_INCOMPAT_REMAP_TREE (1ULL << 17) =20 struct btrfs_ioctl_feature_flags { __u64 compat_flags; diff --git a/include/uapi/linux/btrfs_tree.h b/include/uapi/linux/btrfs_t= ree.h index fc29d273845d..4439d77a7252 100644 --- a/include/uapi/linux/btrfs_tree.h +++ b/include/uapi/linux/btrfs_tree.h @@ -76,6 +76,9 @@ /* Tracks RAID stripes in block groups. */ #define BTRFS_RAID_STRIPE_TREE_OBJECTID 12ULL =20 +/* Holds details of remapped addresses after relocation. */ +#define BTRFS_REMAP_TREE_OBJECTID 13ULL + /* device stats in the device tree */ #define BTRFS_DEV_STATS_OBJECTID 0ULL =20 @@ -282,6 +285,10 @@ =20 #define BTRFS_RAID_STRIPE_KEY 230 =20 +#define BTRFS_IDENTITY_REMAP_KEY 234 +#define BTRFS_REMAP_KEY 235 +#define BTRFS_REMAP_BACKREF_KEY 236 + /* * Records the overall state of the qgroups. * There's only one instance of this key present, @@ -1161,6 +1168,7 @@ struct btrfs_dev_replace_item { #define BTRFS_BLOCK_GROUP_RAID6 (1ULL << 8) #define BTRFS_BLOCK_GROUP_RAID1C3 (1ULL << 9) #define BTRFS_BLOCK_GROUP_RAID1C4 (1ULL << 10) +#define BTRFS_BLOCK_GROUP_REMAPPED (1ULL << 11) #define BTRFS_BLOCK_GROUP_RESERVED (BTRFS_AVAIL_ALLOC_BIT_SINGLE | \ BTRFS_SPACE_INFO_GLOBAL_RSV) =20 @@ -1323,4 +1331,8 @@ struct btrfs_verity_descriptor_item { __u8 encryption; } __attribute__ ((__packed__)); =20 +struct btrfs_remap { + __le64 address; +} __attribute__ ((__packed__)); + #endif /* _BTRFS_CTREE_H_ */ --=20 2.49.0