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From cb18a928a4db39a0eac1ab1fda1c80fd4cc4e22b Mon Sep 17 00:00:00 2001
From: Michael Olbrich <m.olbrich@pengutronix.de>
Date: Wed, 18 Mar 2015 14:04:55 +0100
Subject: [PATCH] missing.h: add more btrfs types and defines
(cherry picked from commit 8e8ba79229bb82248a568f5929143a66f4be45b7)
---
src/shared/missing.h | 151 +++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 151 insertions(+)
diff --git a/src/shared/missing.h b/src/shared/missing.h
index 6ef4dbdf4..4b36a9c93 100644
--- a/src/shared/missing.h
+++ b/src/shared/missing.h
@@ -294,12 +294,59 @@ static inline int getrandom(void *buffer, size_t count, unsigned flags) {
#define BTRFS_UUID_SIZE 16
#endif
+#ifndef BTRFS_SUBVOL_RDONLY
+#define BTRFS_SUBVOL_RDONLY (1ULL << 1)
+#endif
+
+#ifndef BTRFS_SUBVOL_NAME_MAX
+#define BTRFS_SUBVOL_NAME_MAX 4039
+#endif
+
+#ifndef BTRFS_INO_LOOKUP_PATH_MAX
+#define BTRFS_INO_LOOKUP_PATH_MAX 4080
+#endif
+
+#ifndef BTRFS_SEARCH_ARGS_BUFSIZE
+#define BTRFS_SEARCH_ARGS_BUFSIZE (4096 - sizeof(struct btrfs_ioctl_search_key))
+#endif
+
#ifndef HAVE_LINUX_BTRFS_H
struct btrfs_ioctl_vol_args {
int64_t fd;
char name[BTRFS_PATH_NAME_MAX + 1];
};
+struct btrfs_qgroup_limit {
+ __u64 flags;
+ __u64 max_rfer;
+ __u64 max_excl;
+ __u64 rsv_rfer;
+ __u64 rsv_excl;
+};
+
+struct btrfs_qgroup_inherit {
+ __u64 flags;
+ __u64 num_qgroups;
+ __u64 num_ref_copies;
+ __u64 num_excl_copies;
+ struct btrfs_qgroup_limit lim;
+ __u64 qgroups[0];
+};
+
+struct btrfs_ioctl_vol_args_v2 {
+ __s64 fd;
+ __u64 transid;
+ __u64 flags;
+ union {
+ struct {
+ __u64 size;
+ struct btrfs_qgroup_inherit *qgroup_inherit;
+ };
+ __u64 unused[4];
+ };
+ char name[BTRFS_SUBVOL_NAME_MAX + 1];
+};
+
struct btrfs_ioctl_dev_info_args {
uint64_t devid; /* in/out */
uint8_t uuid[BTRFS_UUID_SIZE]; /* in/out */
@@ -315,6 +362,68 @@ struct btrfs_ioctl_fs_info_args {
uint8_t fsid[BTRFS_FSID_SIZE]; /* out */
uint64_t reserved[124]; /* pad to 1k */
};
+
+struct btrfs_ioctl_ino_lookup_args {
+ __u64 treeid;
+ __u64 objectid;
+ char name[BTRFS_INO_LOOKUP_PATH_MAX];
+};
+
+struct btrfs_ioctl_search_key {
+ /* which root are we searching. 0 is the tree of tree roots */
+ __u64 tree_id;
+
+ /* keys returned will be >= min and <= max */
+ __u64 min_objectid;
+ __u64 max_objectid;
+
+ /* keys returned will be >= min and <= max */
+ __u64 min_offset;
+ __u64 max_offset;
+
+ /* max and min transids to search for */
+ __u64 min_transid;
+ __u64 max_transid;
+
+ /* keys returned will be >= min and <= max */
+ __u32 min_type;
+ __u32 max_type;
+
+ /*
+ * how many items did userland ask for, and how many are we
+ * returning
+ */
+ __u32 nr_items;
+
+ /* align to 64 bits */
+ __u32 unused;
+
+ /* some extra for later */
+ __u64 unused1;
+ __u64 unused2;
+ __u64 unused3;
+ __u64 unused4;
+};
+
+struct btrfs_ioctl_search_header {
+ __u64 transid;
+ __u64 objectid;
+ __u64 offset;
+ __u32 type;
+ __u32 len;
+};
+
+
+struct btrfs_ioctl_search_args {
+ struct btrfs_ioctl_search_key key;
+ char buf[BTRFS_SEARCH_ARGS_BUFSIZE];
+};
+
+struct btrfs_ioctl_clone_range_args {
+ __s64 src_fd;
+ __u64 src_offset, src_length;
+ __u64 dest_offset;
+};
#endif
#ifndef BTRFS_IOC_DEFRAG
@@ -322,6 +431,48 @@ struct btrfs_ioctl_fs_info_args {
struct btrfs_ioctl_vol_args)
#endif
+#ifndef BTRFS_IOC_CLONE
+#define BTRFS_IOC_CLONE _IOW(BTRFS_IOCTL_MAGIC, 9, int)
+#endif
+
+#ifndef BTRFS_IOC_CLONE_RANGE
+#define BTRFS_IOC_CLONE_RANGE _IOW(BTRFS_IOCTL_MAGIC, 13, \
+ struct btrfs_ioctl_clone_range_args)
+#endif
+
+#ifndef BTRFS_IOC_SUBVOL_CREATE
+#define BTRFS_IOC_SUBVOL_CREATE _IOW(BTRFS_IOCTL_MAGIC, 14, \
+ struct btrfs_ioctl_vol_args)
+#endif
+
+#ifndef BTRFS_IOC_SNAP_DESTROY
+#define BTRFS_IOC_SNAP_DESTROY _IOW(BTRFS_IOCTL_MAGIC, 15, \
+ struct btrfs_ioctl_vol_args)
+#endif
+
+#ifndef BTRFS_IOC_TREE_SEARCH
+#define BTRFS_IOC_TREE_SEARCH _IOWR(BTRFS_IOCTL_MAGIC, 17, \
+ struct btrfs_ioctl_search_args)
+#endif
+
+#ifndef BTRFS_IOC_INO_LOOKUP
+#define BTRFS_IOC_INO_LOOKUP _IOWR(BTRFS_IOCTL_MAGIC, 18, \
+ struct btrfs_ioctl_ino_lookup_args)
+#endif
+
+#ifndef BTRFS_IOC_SNAP_CREATE_V2
+#define BTRFS_IOC_SNAP_CREATE_V2 _IOW(BTRFS_IOCTL_MAGIC, 23, \
+ struct btrfs_ioctl_vol_args_v2)
+#endif
+
+#ifndef BTRFS_IOC_SUBVOL_GETFLAGS
+#define BTRFS_IOC_SUBVOL_GETFLAGS _IOR(BTRFS_IOCTL_MAGIC, 25, __u64)
+#endif
+
+#ifndef BTRFS_IOC_SUBVOL_SETFLAGS
+#define BTRFS_IOC_SUBVOL_SETFLAGS _IOW(BTRFS_IOCTL_MAGIC, 26, __u64)
+#endif
+
#ifndef BTRFS_IOC_DEV_INFO
#define BTRFS_IOC_DEV_INFO _IOWR(BTRFS_IOCTL_MAGIC, 30, \
struct btrfs_ioctl_dev_info_args)