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[200.146.53.109]) by smtp.gmail.com with ESMTPSA id c184sm8643337qke.118.2020.01.26.18.47.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 26 Jan 2020 18:47:16 -0800 (PST) From: Marcos Paulo de Souza Cc: dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@vger.kernel.org, Marcos Paulo de Souza Subject: [PATCH 2/5] libbtrfsutil: add IOC_SNAP_DESTROY_V2 to ioctl.h Date: Sun, 26 Jan 2020 23:49:51 -0300 Message-Id: <20200127024954.16916-2-marcos.souza.org@gmail.com> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20200127024954.16916-1-marcos.souza.org@gmail.com> References: <20200127024954.16916-1-marcos.souza.org@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit To: unlisted-recipients:; (no To-header on input) Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org From: Marcos Paulo de Souza This ioctl will make possible to delete a subvolume/snapshot by using the subvolume id. Signed-off-by: Marcos Paulo de Souza --- libbtrfsutil/btrfs.h | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/libbtrfsutil/btrfs.h b/libbtrfsutil/btrfs.h index c9a61b30..fe478ab1 100644 --- a/libbtrfsutil/btrfs.h +++ b/libbtrfsutil/btrfs.h @@ -36,12 +36,14 @@ struct btrfs_ioctl_vol_args { #define BTRFS_DEVICE_PATH_NAME_MAX 1024 #define BTRFS_DEVICE_SPEC_BY_ID (1ULL << 3) +#define BTRFS_SUBVOL_BY_ID (1ULL << 4) #define BTRFS_VOL_ARG_V2_FLAGS_SUPPORTED \ (BTRFS_SUBVOL_CREATE_ASYNC | \ BTRFS_SUBVOL_RDONLY | \ BTRFS_SUBVOL_QGROUP_INHERIT | \ - BTRFS_DEVICE_SPEC_BY_ID) + BTRFS_DEVICE_SPEC_BY_ID | \ + BTRFS_SUBVOL_BY_ID) #define BTRFS_FSID_SIZE 16 #define BTRFS_UUID_SIZE 16 @@ -118,7 +120,10 @@ struct btrfs_ioctl_vol_args_v2 { __u64 unused[4]; }; union { - char name[BTRFS_SUBVOL_NAME_MAX + 1]; + union { + char name[BTRFS_SUBVOL_NAME_MAX + 1]; + __u64 subvolid; + }; __u64 devid; }; }; @@ -942,5 +947,7 @@ enum btrfs_err_code { struct btrfs_ioctl_get_subvol_rootref_args) #define BTRFS_IOC_INO_LOOKUP_USER _IOWR(BTRFS_IOCTL_MAGIC, 62, \ struct btrfs_ioctl_ino_lookup_user_args) +#define BTRFS_IOC_SNAP_DESTROY_V2 _IOW(BTRFS_IOCTL_MAGIC, 63, \ + struct btrfs_ioctl_vol_args_v2) #endif /* _LINUX_BTRFS_H */ -- 2.24.0