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