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From 8ff6d9258385e4a0ae462e0cea8409e4fae05dc1 Mon Sep 17 00:00:00 2001
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From: Omar Sandoval <osandov@fb.com>
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Date: Tue, 8 Feb 2022 11:02:02 -0800
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Subject: [PATCH] btrfs-progs: receive: add send stream v2 cmds and attrs to
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send.h
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Update our copy of send.h from the kernel. This adds the new commands
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and attributes for v2 as well as explicit enum numbering.
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Reviewed-by: Nikolay Borisov <nborisov@suse.com>
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Signed-off-by: Boris Burkov <boris@bur.io>
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Signed-off-by: Omar Sandoval <osandov@fb.com>
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---
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kernel-shared/send.h | 138 ++++++++++++++++++++++++++-----------------
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1 file changed, 85 insertions(+), 53 deletions(-)
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diff --git a/kernel-shared/send.h b/kernel-shared/send.h
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index e986b6c8..b902d054 100644
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--- a/kernel-shared/send.h
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+++ b/kernel-shared/send.h
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@@ -38,7 +38,6 @@ extern "C" {
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* should be assumed.
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*/
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#define BTRFS_SEND_BUF_SIZE_V1 (64 * 1024)
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-#define BTRFS_SEND_READ_SIZE (1024 * 48)
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enum btrfs_tlv_type {
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BTRFS_TLV_U8,
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@@ -72,77 +71,110 @@ struct btrfs_tlv_header {
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/* commands */
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enum btrfs_send_cmd {
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- BTRFS_SEND_C_UNSPEC,
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+ BTRFS_SEND_C_UNSPEC = 0,
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- BTRFS_SEND_C_SUBVOL,
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- BTRFS_SEND_C_SNAPSHOT,
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+ /* Version 1 */
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+ BTRFS_SEND_C_SUBVOL = 1,
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+ BTRFS_SEND_C_SNAPSHOT = 2,
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- BTRFS_SEND_C_MKFILE,
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- BTRFS_SEND_C_MKDIR,
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- BTRFS_SEND_C_MKNOD,
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- BTRFS_SEND_C_MKFIFO,
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- BTRFS_SEND_C_MKSOCK,
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- BTRFS_SEND_C_SYMLINK,
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+ BTRFS_SEND_C_MKFILE = 3,
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+ BTRFS_SEND_C_MKDIR = 4,
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+ BTRFS_SEND_C_MKNOD = 5,
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+ BTRFS_SEND_C_MKFIFO = 6,
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+ BTRFS_SEND_C_MKSOCK = 7,
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+ BTRFS_SEND_C_SYMLINK = 8,
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- BTRFS_SEND_C_RENAME,
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- BTRFS_SEND_C_LINK,
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- BTRFS_SEND_C_UNLINK,
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- BTRFS_SEND_C_RMDIR,
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+ BTRFS_SEND_C_RENAME = 9,
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+ BTRFS_SEND_C_LINK = 10,
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+ BTRFS_SEND_C_UNLINK = 11,
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+ BTRFS_SEND_C_RMDIR = 12,
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- BTRFS_SEND_C_SET_XATTR,
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- BTRFS_SEND_C_REMOVE_XATTR,
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+ BTRFS_SEND_C_SET_XATTR = 13,
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+ BTRFS_SEND_C_REMOVE_XATTR = 14,
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- BTRFS_SEND_C_WRITE,
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- BTRFS_SEND_C_CLONE,
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+ BTRFS_SEND_C_WRITE = 15,
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+ BTRFS_SEND_C_CLONE = 16,
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- BTRFS_SEND_C_TRUNCATE,
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- BTRFS_SEND_C_CHMOD,
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- BTRFS_SEND_C_CHOWN,
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- BTRFS_SEND_C_UTIMES,
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+ BTRFS_SEND_C_TRUNCATE = 17,
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+ BTRFS_SEND_C_CHMOD = 18,
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+ BTRFS_SEND_C_CHOWN = 19,
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+ BTRFS_SEND_C_UTIMES = 20,
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- BTRFS_SEND_C_END,
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- BTRFS_SEND_C_UPDATE_EXTENT,
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- __BTRFS_SEND_C_MAX,
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+ BTRFS_SEND_C_END = 21,
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+ BTRFS_SEND_C_UPDATE_EXTENT = 22,
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+ BTRFS_SEND_C_MAX_V1 = 22,
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+
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+ /* Version 2 */
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+ BTRFS_SEND_C_FALLOCATE = 23,
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+ BTRFS_SEND_C_SETFLAGS = 24,
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+ BTRFS_SEND_C_ENCODED_WRITE = 25,
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+ BTRFS_SEND_C_MAX_V2 = 25,
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+
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+ /* End */
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+ BTRFS_SEND_C_MAX = 25,
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};
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-#define BTRFS_SEND_C_MAX (__BTRFS_SEND_C_MAX - 1)
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/* attributes in send stream */
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enum {
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- BTRFS_SEND_A_UNSPEC,
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+ BTRFS_SEND_A_UNSPEC = 0,
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- BTRFS_SEND_A_UUID,
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- BTRFS_SEND_A_CTRANSID,
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+ /* Version 1 */
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+ BTRFS_SEND_A_UUID = 1,
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+ BTRFS_SEND_A_CTRANSID = 2,
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- BTRFS_SEND_A_INO,
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- BTRFS_SEND_A_SIZE,
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- BTRFS_SEND_A_MODE,
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- BTRFS_SEND_A_UID,
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- BTRFS_SEND_A_GID,
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- BTRFS_SEND_A_RDEV,
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- BTRFS_SEND_A_CTIME,
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- BTRFS_SEND_A_MTIME,
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- BTRFS_SEND_A_ATIME,
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- BTRFS_SEND_A_OTIME,
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+ BTRFS_SEND_A_INO = 3,
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+ BTRFS_SEND_A_SIZE = 4,
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+ BTRFS_SEND_A_MODE = 5,
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+ BTRFS_SEND_A_UID = 6,
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+ BTRFS_SEND_A_GID = 7,
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+ BTRFS_SEND_A_RDEV = 8,
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+ BTRFS_SEND_A_CTIME = 9,
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+ BTRFS_SEND_A_MTIME = 10,
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+ BTRFS_SEND_A_ATIME = 11,
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+ BTRFS_SEND_A_OTIME = 12,
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- BTRFS_SEND_A_XATTR_NAME,
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- BTRFS_SEND_A_XATTR_DATA,
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+ BTRFS_SEND_A_XATTR_NAME = 13,
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+ BTRFS_SEND_A_XATTR_DATA = 14,
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- BTRFS_SEND_A_PATH,
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- BTRFS_SEND_A_PATH_TO,
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- BTRFS_SEND_A_PATH_LINK,
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+ BTRFS_SEND_A_PATH = 15,
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+ BTRFS_SEND_A_PATH_TO = 16,
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+ BTRFS_SEND_A_PATH_LINK = 17,
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- BTRFS_SEND_A_FILE_OFFSET,
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- BTRFS_SEND_A_DATA,
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+ BTRFS_SEND_A_FILE_OFFSET = 18,
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+ /*
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+ * As of send stream v2, this attribute is special: it must be the last
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+ * attribute in a command, its header contains only the type, and its
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+ * length is implicitly the remaining length of the command.
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+ */
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+ BTRFS_SEND_A_DATA = 19,
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- BTRFS_SEND_A_CLONE_UUID,
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- BTRFS_SEND_A_CLONE_CTRANSID,
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- BTRFS_SEND_A_CLONE_PATH,
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- BTRFS_SEND_A_CLONE_OFFSET,
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- BTRFS_SEND_A_CLONE_LEN,
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+ BTRFS_SEND_A_CLONE_UUID = 20,
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+ BTRFS_SEND_A_CLONE_CTRANSID = 21,
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+ BTRFS_SEND_A_CLONE_PATH = 22,
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+ BTRFS_SEND_A_CLONE_OFFSET = 23,
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+ BTRFS_SEND_A_CLONE_LEN = 24,
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- __BTRFS_SEND_A_MAX,
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+ BTRFS_SEND_A_MAX_V1 = 24,
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+
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+ /* Version 2 */
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+ BTRFS_SEND_A_FALLOCATE_MODE = 25,
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+
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+ BTRFS_SEND_A_SETFLAGS_FLAGS = 26,
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+
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+ BTRFS_SEND_A_UNENCODED_FILE_LEN = 27,
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+ BTRFS_SEND_A_UNENCODED_LEN = 28,
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+ BTRFS_SEND_A_UNENCODED_OFFSET = 29,
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+ /*
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+ * COMPRESSION and ENCRYPTION default to NONE (0) if omitted from
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+ * BTRFS_SEND_C_ENCODED_WRITE.
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+ */
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+ BTRFS_SEND_A_COMPRESSION = 30,
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+ BTRFS_SEND_A_ENCRYPTION = 31,
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+ BTRFS_SEND_A_MAX_V2 = 31,
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+
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+ /* End */
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+ BTRFS_SEND_A_MAX = 31,
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};
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-#define BTRFS_SEND_A_MAX (__BTRFS_SEND_A_MAX - 1)
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#ifdef __cplusplus
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}
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--
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2.35.1
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