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 6ef4dbd..4b36a9c 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)