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Sun, 28 Nov 2021 05:53:32 +0000 From: Qu Wenruo To: linux-btrfs@vger.kernel.org Date: Sun, 28 Nov 2021 13:52:59 +0800 Message-Id: <20211128055259.39249-12-wqu@suse.com> In-Reply-To: <20211128055259.39249-1-wqu@suse.com> References: <20211128055259.39249-1-wqu@suse.com> MIME-Version: 1.0 X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.84 on 10.11.54.2 X-MIME-Autoconverted: from quoted-printable to 8bit by lists01.pubmisc.prod.ext.phx2.redhat.com id 1AS5rb3H027104 X-loop: dm-devel@redhat.com X-Mailman-Approved-At: Mon, 29 Nov 2021 01:55:53 -0500 Cc: linux-block@vger.kernel.org, dm-devel@redhat.com Subject: [dm-devel] [PATCH RFC 11/11] btrfs: temporarily disable RAID56 X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com !!! DON'T MERGE THIS COMMIT !!! There are still some bugs buried deeply inside RAID56 code which is not yet compatible with bio split at btrfs_map_bio() time, disable it for now. Signed-off-by: Qu Wenruo --- fs/btrfs/ctree.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index f1dd2486dcb3..aa0b92312f43 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -295,6 +295,10 @@ static_assert(sizeof(struct btrfs_super_block) == BTRFS_SUPER_INFO_SIZE); #define BTRFS_FEATURE_COMPAT_RO_SAFE_SET 0ULL #define BTRFS_FEATURE_COMPAT_RO_SAFE_CLEAR 0ULL +/* + * Temprorayly remove RAID56 from support list due to conflicts with bio + * split at btrfs_map_bio() time. + */ #define BTRFS_FEATURE_INCOMPAT_SUPP \ (BTRFS_FEATURE_INCOMPAT_MIXED_BACKREF | \ BTRFS_FEATURE_INCOMPAT_DEFAULT_SUBVOL | \ @@ -302,7 +306,6 @@ static_assert(sizeof(struct btrfs_super_block) == BTRFS_SUPER_INFO_SIZE); BTRFS_FEATURE_INCOMPAT_BIG_METADATA | \ BTRFS_FEATURE_INCOMPAT_COMPRESS_LZO | \ BTRFS_FEATURE_INCOMPAT_COMPRESS_ZSTD | \ - BTRFS_FEATURE_INCOMPAT_RAID56 | \ BTRFS_FEATURE_INCOMPAT_EXTENDED_IREF | \ BTRFS_FEATURE_INCOMPAT_SKINNY_METADATA | \ BTRFS_FEATURE_INCOMPAT_NO_HOLES | \