1369 lines
33 KiB
C
1369 lines
33 KiB
C
/*
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* Copyright (c) 2016 Jeff Mahoney <jeffm@suse.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "defs.h"
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#ifdef HAVE_LINUX_BTRFS_H
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#include DEF_MPERS_TYPE(struct_btrfs_ioctl_dev_replace_args)
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#include DEF_MPERS_TYPE(struct_btrfs_ioctl_send_args)
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#include DEF_MPERS_TYPE(struct_btrfs_ioctl_received_subvol_args)
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#include DEF_MPERS_TYPE(struct_btrfs_ioctl_vol_args_v2)
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# include <linux/btrfs.h>
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typedef struct btrfs_ioctl_dev_replace_args
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struct_btrfs_ioctl_dev_replace_args;
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typedef struct btrfs_ioctl_send_args
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struct_btrfs_ioctl_send_args;
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typedef struct btrfs_ioctl_received_subvol_args
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struct_btrfs_ioctl_received_subvol_args;
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typedef struct btrfs_ioctl_vol_args_v2
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struct_btrfs_ioctl_vol_args_v2;
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#endif /* HAVE_LINUX_BTRFS_H */
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#include MPERS_DEFS
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#ifdef HAVE_LINUX_BTRFS_H
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#include <linux/fs.h>
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/*
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* Prior to Linux 3.12, the BTRFS_IOC_DEFAULT_SUBVOL used u64 in
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* its definition, which isn't exported by the kernel.
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*/
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typedef __u64 u64;
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#ifndef HAVE_STRUCT_BTRFS_IOCTL_FEATURE_FLAGS_COMPAT_FLAGS
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struct btrfs_ioctl_feature_flags {
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uint64_t compat_flags;
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uint64_t compat_ro_flags;
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uint64_t incompat_flags;
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};
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#endif
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#ifndef HAVE_STRUCT_BTRFS_IOCTL_DEFRAG_RANGE_ARGS_START
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struct btrfs_ioctl_defrag_range_args {
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uint64_t start;
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uint64_t len;
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uint64_t flags;
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uint32_t extent_thresh;
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uint32_t compress_type;
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uint32_t unused[4];
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};
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#endif
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#ifndef BTRFS_LABEL_SIZE
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# define BTRFS_LABEL_SIZE 256
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#endif
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#ifndef BTRFS_FIRST_FREE_OBJECTID
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# define BTRFS_FIRST_FREE_OBJECTID 256ULL
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#endif
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#ifndef BTRFS_IOC_QUOTA_RESCAN
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struct btrfs_ioctl_quota_rescan_args {
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uint64_t flags, progress, reserved[6];
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};
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# define BTRFS_IOC_QUOTA_RESCAN _IOW(BTRFS_IOCTL_MAGIC, 44, \
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struct btrfs_ioctl_quota_rescan_args)
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# define BTRFS_IOC_QUOTA_RESCAN_STATUS _IOR(BTRFS_IOCTL_MAGIC, 45, \
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struct btrfs_ioctl_quota_rescan_args)
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#endif
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#ifndef BTRFS_IOC_QUOTA_RESCAN_WAIT
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# define BTRFS_IOC_QUOTA_RESCAN_WAIT _IO(BTRFS_IOCTL_MAGIC, 46)
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#endif
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#ifndef BTRFS_IOC_GET_FEATURES
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# define BTRFS_IOC_GET_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \
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struct btrfs_ioctl_feature_flags)
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# define BTRFS_IOC_SET_FEATURES _IOW(BTRFS_IOCTL_MAGIC, 57, \
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struct btrfs_ioctl_feature_flags[2])
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# define BTRFS_IOC_GET_SUPPORTED_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \
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struct btrfs_ioctl_feature_flags[3])
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#endif
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#ifndef BTRFS_IOC_TREE_SEARCH_V2
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# define BTRFS_IOC_TREE_SEARCH_V2 _IOWR(BTRFS_IOCTL_MAGIC, 17, \
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struct btrfs_ioctl_search_args_v2)
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struct btrfs_ioctl_search_args_v2 {
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struct btrfs_ioctl_search_key key; /* in/out - search parameters */
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uint64_t buf_size; /* in - size of buffer
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* out - on EOVERFLOW: needed size
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* to store item */
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uint64_t buf[0]; /* out - found items */
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};
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#endif
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#include "xlat/btrfs_balance_args.h"
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#include "xlat/btrfs_balance_ctl_cmds.h"
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#include "xlat/btrfs_balance_flags.h"
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#include "xlat/btrfs_balance_state.h"
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#include "xlat/btrfs_compress_types.h"
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#include "xlat/btrfs_defrag_flags.h"
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#include "xlat/btrfs_dev_replace_cmds.h"
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#include "xlat/btrfs_dev_replace_results.h"
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#include "xlat/btrfs_dev_replace_state.h"
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#include "xlat/btrfs_dev_stats_flags.h"
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#include "xlat/btrfs_dev_stats_values.h"
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#include "xlat/btrfs_features_compat.h"
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#include "xlat/btrfs_features_compat_ro.h"
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#include "xlat/btrfs_features_incompat.h"
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#include "xlat/btrfs_key_types.h"
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#include "xlat/btrfs_qgroup_ctl_cmds.h"
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#include "xlat/btrfs_qgroup_inherit_flags.h"
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#include "xlat/btrfs_qgroup_limit_flags.h"
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#include "xlat/btrfs_qgroup_status_flags.h"
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#include "xlat/btrfs_scrub_flags.h"
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#include "xlat/btrfs_send_flags.h"
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#include "xlat/btrfs_snap_flags_v2.h"
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#include "xlat/btrfs_space_info_flags.h"
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#include "xlat/btrfs_tree_objectids.h"
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static inline char
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prnibble(char v)
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{
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if (v >= 10)
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return 'a' + (v - 10);
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return '0' + v;
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}
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/* 8-4-4-4-12 = 36 characters */
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#define UUID_STRING_SIZE 36
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/* Formats uuid, returns 0 if it's all zeroes */
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static int
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btrfs_unparse_uuid(unsigned char *uuid, char *out)
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{
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int i;
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int ret = 0;
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for (i = 0; i < BTRFS_UUID_SIZE; i++) {
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if (i == 4 || i == 6 || i == 8 || i == 10)
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*out++ = '-';
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*out++ = prnibble(uuid[i] >> 4);
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*out++ = prnibble(uuid[i] & 0xf);
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if (uuid[i])
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ret = 1;
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}
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*out = '\0';
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return ret;
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}
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static void
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print_u64(const char *name, uint64_t value)
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{
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tprintf(", %s=%" PRIu64, name, value);
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if (value == UINT64_MAX)
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tprints(" /* UINT64_MAX */");
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}
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#define print_member_u64(obj, name) print_u64(#name, obj->name)
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static void
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btrfs_print_balance_args(const char *name, const struct btrfs_balance_args *bba)
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{
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tprintf(", %s={profiles=", name);
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printflags64(btrfs_space_info_flags, bba->profiles,
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"BTRFS_BLOCK_GROUP_???");
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print_member_u64(bba, usage);
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print_member_u64(bba, devid);
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print_member_u64(bba, pstart);
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print_member_u64(bba, pend);
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print_member_u64(bba, vstart);
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print_member_u64(bba, vend);
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print_member_u64(bba, target);
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tprints(", flags=");
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printflags64(btrfs_balance_args, bba->flags, "BTRFS_BALANCE_ARGS_???");
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tprints("}");
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}
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static void
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btrfs_print_balance(struct tcb *const tcp, const kernel_ulong_t arg, bool out)
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{
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struct btrfs_ioctl_balance_args balance_args;
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if (umove_or_printaddr(tcp, arg, &balance_args))
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return;
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tprints("{flags=");
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printflags64(btrfs_balance_flags, balance_args.flags,
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"BTRFS_BALANCE_???");
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if (out) {
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tprints(", state=");
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printflags64(btrfs_balance_state, balance_args.state,
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"BTRFS_BALANCE_STATE_???");
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}
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if (balance_args.flags & BTRFS_BALANCE_DATA)
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btrfs_print_balance_args("data", &balance_args.data);
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if (balance_args.flags & BTRFS_BALANCE_METADATA)
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btrfs_print_balance_args("meta", &balance_args.meta);
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if (balance_args.flags & BTRFS_BALANCE_SYSTEM)
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btrfs_print_balance_args("sys", &balance_args.sys);
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tprints("}");
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}
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static void
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btrfs_print_features(const struct btrfs_ioctl_feature_flags *flags)
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{
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tprints("{compat_flags=");
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printflags64(btrfs_features_compat, flags->compat_flags,
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"BTRFS_FEATURE_COMPAT_???");
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tprints(", compat_ro_flags=");
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printflags64(btrfs_features_compat_ro, flags->compat_ro_flags,
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"BTRFS_FEATURE_COMPAT_RO_???");
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tprints(", incompat_flags=");
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printflags64(btrfs_features_incompat, flags->incompat_flags,
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"BTRFS_FEATURE_INCOMPAT_???");
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tprints("}");
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}
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static void
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btrfs_print_qgroup_limit(const struct btrfs_qgroup_limit *lim)
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{
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tprints("{flags=");
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printflags64(btrfs_qgroup_limit_flags, lim->flags,
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"BTRFS_QGROUP_LIMIT_???");
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tprintf(", max_rfer=%" PRI__u64 ", max_excl=%" PRI__u64
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", rsv_rfer=%" PRI__u64 ", rsv_excl=%" PRI__u64 "}",
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lim->max_rfer, lim->max_excl,
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lim->rsv_rfer, lim->rsv_excl);
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}
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static void
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btrfs_print_key_type(uint32_t type)
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{
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const char *str = xlookup(btrfs_key_types, type);
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tprintf("%u", type);
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if (str)
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tprintf(" /* %s */", str);
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}
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static void
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btrfs_print_objectid(uint64_t objectid)
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{
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const char *str = xlookup(btrfs_tree_objectids, objectid);
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tprintf("%" PRIu64, objectid);
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if (str)
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tprintf(" /* %s */", str);
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}
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static void
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btrfs_print_data_container_header(const struct btrfs_data_container *container)
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{
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tprintf("{bytes_left=%u, bytes_missing=%u"
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", elem_cnt=%u, elem_missed=%u, val=",
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container->bytes_left, container->bytes_missing,
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container->elem_cnt, container->elem_missed);
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}
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static void
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btrfs_print_data_container_footer(void)
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{
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tprints("}");
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}
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static bool
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print_btrfs_data_container_logical_ino(struct tcb *tcp, void *elem_buf,
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size_t elem_size, void *data)
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{
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const uint64_t *const record = elem_buf;
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tprintf("{inum=%" PRIu64 ", offset=%" PRIu64 ", root=%" PRIu64 "}",
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record[0], record[1], record[2]);
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return true;
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}
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static void
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btrfs_print_logical_ino_container(struct tcb *tcp,
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const uint64_t inodes_addr)
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{
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struct btrfs_data_container container;
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if (umove_or_printaddr(tcp, inodes_addr, &container))
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return;
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btrfs_print_data_container_header(&container);
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if (abbrev(tcp)) {
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tprints("...");
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} else {
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const uint64_t val_addr =
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inodes_addr + offsetof(typeof(container), val);
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uint64_t record[3];
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print_array(tcp, val_addr, container.elem_cnt / 3,
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record, sizeof(record),
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umoven_or_printaddr,
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print_btrfs_data_container_logical_ino, 0);
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}
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btrfs_print_data_container_footer();
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}
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static bool
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print_btrfs_data_container_ino_path(struct tcb *tcp, void *elem_buf,
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size_t elem_size, void *data)
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{
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const uint64_t *const offset = elem_buf;
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const uint64_t *const val_addr = data;
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printpath(tcp, *val_addr + *offset);
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return true;
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}
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static void
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btrfs_print_ino_path_container(struct tcb *tcp,
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const uint64_t fspath_addr)
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{
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struct btrfs_data_container container;
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if (umove_or_printaddr(tcp, fspath_addr, &container))
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return;
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btrfs_print_data_container_header(&container);
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if (abbrev(tcp)) {
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tprints("...");
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} else {
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uint64_t val_addr =
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fspath_addr + offsetof(typeof(container), val);
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uint64_t offset;
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print_array(tcp, val_addr, container.elem_cnt,
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&offset, sizeof(offset),
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umoven_or_printaddr,
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print_btrfs_data_container_ino_path, &val_addr);
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}
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btrfs_print_data_container_footer();
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}
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static bool
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print_uint64(struct tcb *tcp, void *elem_buf, size_t elem_size, void *data)
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{
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tprintf("%" PRIu64, * (uint64_t *) elem_buf);
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return true;
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}
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static void
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btrfs_print_qgroup_inherit(struct tcb *const tcp, const kernel_ulong_t qgi_addr)
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{
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struct btrfs_qgroup_inherit inherit;
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if (umove_or_printaddr(tcp, qgi_addr, &inherit))
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return;
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tprints("{flags=");
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printflags64(btrfs_qgroup_inherit_flags, inherit.flags,
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"BTRFS_QGROUP_INHERIT_???");
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tprintf(", num_qgroups=%" PRI__u64 ", num_ref_copies=%" PRI__u64
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", num_excl_copies=%" PRI__u64 ", lim=",
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inherit.num_qgroups, inherit.num_ref_copies,
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inherit.num_excl_copies);
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btrfs_print_qgroup_limit(&inherit.lim);
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tprints(", qgroups=");
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if (abbrev(tcp)) {
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tprints("...");
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} else {
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uint64_t record;
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print_array(tcp, qgi_addr + offsetof(typeof(inherit), qgroups),
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inherit.num_qgroups, &record, sizeof(record),
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umoven_or_printaddr, print_uint64, 0);
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}
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tprints("}");
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}
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static void
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print_key_value_internal(struct tcb *tcp, const char *name, uint64_t value)
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{
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if (value) {
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tprintf(", %s=%" PRIu64, name, value);
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if (value == UINT64_MAX)
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tprints(" /* UINT64_MAX */");
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}
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}
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#define print_key_value(tcp, key, name) \
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print_key_value_internal((tcp), #name, (key)->name)
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static void
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btrfs_print_tree_search(struct tcb *tcp, struct btrfs_ioctl_search_key *key,
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uint64_t buf_addr, uint64_t buf_size, bool print_size)
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{
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if (entering(tcp)) {
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tprints("{key={tree_id=");
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btrfs_print_objectid(key->tree_id);
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if (key->min_objectid != BTRFS_FIRST_FREE_OBJECTID ||
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!abbrev(tcp)) {
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tprints(", min_objectid=");
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btrfs_print_objectid(key->min_objectid);
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}
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if (key->max_objectid != BTRFS_LAST_FREE_OBJECTID ||
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!abbrev(tcp)) {
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tprints(", max_objectid=");
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btrfs_print_objectid(key->max_objectid);
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}
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print_key_value(tcp, key, min_offset);
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print_key_value(tcp, key, max_offset);
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print_key_value(tcp, key, min_transid);
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print_key_value(tcp, key, max_transid);
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tprints(", min_type=");
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btrfs_print_key_type(key->min_type);
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tprints(", max_type=");
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btrfs_print_key_type(key->max_type);
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tprintf(", nr_items=%u}", key->nr_items);
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if (print_size)
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tprintf(", buf_size=%" PRIu64, buf_size);
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tprints("}");
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} else {
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tprintf("{key={nr_items=%u}", key->nr_items);
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if (print_size)
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tprintf(", buf_size=%" PRIu64, buf_size);
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tprints(", buf=");
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if (abbrev(tcp))
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tprints("...");
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else {
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uint64_t i;
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uint64_t off = 0;
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tprints("[");
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for (i = 0; i < key->nr_items; i++) {
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struct btrfs_ioctl_search_header sh;
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uint64_t addr = buf_addr + off;
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if (i)
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tprints(", ");
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|
if (i > max_strlen ||
|
|
umove(tcp, addr, &sh)) {
|
|
tprints("...");
|
|
break;
|
|
}
|
|
tprintf("{transid=%" PRI__u64 ", objectid=",
|
|
sh.transid);
|
|
btrfs_print_objectid(sh.objectid);
|
|
tprintf(", offset=%" PRI__u64 ", type=", sh.offset);
|
|
btrfs_print_key_type(sh.type);
|
|
tprintf(", len=%u}", sh.len);
|
|
off += sizeof(sh) + sh.len;
|
|
|
|
}
|
|
tprints("]");
|
|
}
|
|
tprints("}");
|
|
}
|
|
}
|
|
|
|
static bool
|
|
print_objectid_callback(struct tcb *tcp, void *elem_buf,
|
|
size_t elem_size, void *data)
|
|
{
|
|
btrfs_print_objectid(* (uint64_t *) elem_buf);
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool
|
|
print_btrfs_ioctl_space_info(struct tcb *tcp, void *elem_buf,
|
|
size_t elem_size, void *data)
|
|
{
|
|
const struct btrfs_ioctl_space_info *info = elem_buf;
|
|
|
|
tprints("{flags=");
|
|
printflags64(btrfs_space_info_flags, info->flags,
|
|
"BTRFS_SPACE_INFO_???");
|
|
tprintf(", total_bytes=%" PRI__u64 ", used_bytes=%" PRI__u64 "}",
|
|
info->total_bytes, info->used_bytes);
|
|
|
|
return true;
|
|
}
|
|
|
|
MPERS_PRINTER_DECL(int, btrfs_ioctl,
|
|
struct tcb *const tcp, const unsigned int code,
|
|
const kernel_ulong_t arg)
|
|
{
|
|
switch (code) {
|
|
/* Take no arguments; command only. */
|
|
case BTRFS_IOC_TRANS_START:
|
|
case BTRFS_IOC_TRANS_END:
|
|
case BTRFS_IOC_SYNC:
|
|
case BTRFS_IOC_SCRUB_CANCEL:
|
|
case BTRFS_IOC_QUOTA_RESCAN_WAIT:
|
|
/*
|
|
* The codes for these ioctls are based on each accepting a
|
|
* vol_args but none of them actually consume an argument.
|
|
*/
|
|
case BTRFS_IOC_DEFRAG:
|
|
case BTRFS_IOC_BALANCE:
|
|
break;
|
|
|
|
/* takes a signed int */
|
|
case BTRFS_IOC_BALANCE_CTL:
|
|
tprints(", ");
|
|
printxval(btrfs_balance_ctl_cmds, arg, "BTRFS_BALANCE_CTL_???");
|
|
break;
|
|
|
|
/* returns a 64 */
|
|
case BTRFS_IOC_START_SYNC: /* R */
|
|
if (entering(tcp))
|
|
return 0;
|
|
/* fall through */
|
|
/* takes a u64 */
|
|
case BTRFS_IOC_DEFAULT_SUBVOL: /* W */
|
|
case BTRFS_IOC_WAIT_SYNC: /* W */
|
|
tprints(", ");
|
|
printnum_int64(tcp, arg, "%" PRIu64);
|
|
break;
|
|
|
|
/* u64 but describe a flags bitfield; we can make that symbolic */
|
|
case BTRFS_IOC_SUBVOL_GETFLAGS: { /* R */
|
|
uint64_t flags;
|
|
|
|
if (entering(tcp))
|
|
return 0;
|
|
|
|
tprints(", ");
|
|
|
|
if (umove_or_printaddr(tcp, arg, &flags))
|
|
break;
|
|
|
|
printflags64(btrfs_snap_flags_v2, flags, "BTRFS_SUBVOL_???");
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_SUBVOL_SETFLAGS: { /* W */
|
|
uint64_t flags;
|
|
|
|
tprints(", ");
|
|
|
|
if (umove_or_printaddr(tcp, arg, &flags))
|
|
break;
|
|
|
|
printflags64(btrfs_snap_flags_v2, flags, "BTRFS_SUBVOL_???");
|
|
break;
|
|
}
|
|
|
|
/* More complex types */
|
|
case BTRFS_IOC_BALANCE_V2: /* RW */
|
|
if (entering(tcp)) {
|
|
tprints(", ");
|
|
btrfs_print_balance(tcp, arg, false);
|
|
return 0;
|
|
}
|
|
|
|
if (syserror(tcp))
|
|
break;
|
|
|
|
tprints(" => ");
|
|
btrfs_print_balance(tcp, arg, true);
|
|
break;
|
|
case BTRFS_IOC_BALANCE_PROGRESS: /* R */
|
|
if (entering(tcp))
|
|
return 0;
|
|
|
|
tprints(", ");
|
|
btrfs_print_balance(tcp, arg, true);
|
|
break;
|
|
|
|
case BTRFS_IOC_DEFRAG_RANGE: { /* W */
|
|
struct btrfs_ioctl_defrag_range_args args;
|
|
|
|
tprints(", ");
|
|
|
|
if (umove_or_printaddr(tcp, arg, &args))
|
|
break;
|
|
|
|
tprintf("{start=%" PRIu64 ", len=", (uint64_t)args.start);
|
|
|
|
tprintf("%" PRIu64, (uint64_t) args.len);
|
|
if (args.len == UINT64_MAX)
|
|
tprints(" /* UINT64_MAX */");
|
|
|
|
tprints(", flags=");
|
|
printflags64(btrfs_defrag_flags, args.flags,
|
|
"BTRFS_DEFRAG_RANGE_???");
|
|
tprintf(", extent_thresh=%u, compress_type=",
|
|
args.extent_thresh);
|
|
printxval(btrfs_compress_types, args.compress_type,
|
|
"BTRFS_COMPRESS_???");
|
|
tprints("}");
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_DEV_INFO: { /* RW */
|
|
struct btrfs_ioctl_dev_info_args args;
|
|
char uuid[UUID_STRING_SIZE+1];
|
|
int valid;
|
|
|
|
if (entering(tcp))
|
|
tprints(", ");
|
|
else if (syserror(tcp))
|
|
break;
|
|
else
|
|
tprints(" => ");
|
|
if (umove_or_printaddr(tcp, arg, &args))
|
|
break;
|
|
tprints("{");
|
|
|
|
valid = btrfs_unparse_uuid(args.uuid, uuid);
|
|
if (entering(tcp)) {
|
|
tprintf("devid=%" PRI__u64, args.devid);
|
|
if (valid)
|
|
tprintf(", uuid=%s", uuid);
|
|
tprints("}");
|
|
return 0;
|
|
}
|
|
if (valid)
|
|
tprintf("uuid=%s, ", uuid);
|
|
tprintf("bytes_used=%" PRI__u64
|
|
", total_bytes=%" PRI__u64 ", path=",
|
|
args.bytes_used, args.total_bytes);
|
|
print_quoted_string((const char *)args.path, sizeof(args.path),
|
|
QUOTE_0_TERMINATED);
|
|
tprints("}");
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_DEV_REPLACE: { /* RW */
|
|
struct_btrfs_ioctl_dev_replace_args args;
|
|
|
|
if (entering(tcp))
|
|
tprints(", ");
|
|
else if (syserror(tcp))
|
|
break;
|
|
else
|
|
tprints(" => ");
|
|
|
|
if (umove_or_printaddr(tcp, arg, &args))
|
|
break;
|
|
|
|
if (entering(tcp)) {
|
|
tprints("{cmd=");
|
|
printxval64(btrfs_dev_replace_cmds, args.cmd,
|
|
"BTRFS_IOCTL_DEV_REPLACE_CMD_???");
|
|
if (args.cmd == BTRFS_IOCTL_DEV_REPLACE_CMD_START) {
|
|
const char *str;
|
|
tprintf(", start={srcdevid=%" PRIu64
|
|
", cont_reading_from_srcdev_mode=%" PRIu64
|
|
", srcdev_name=",
|
|
(uint64_t) args.start.srcdevid,
|
|
(uint64_t) args.start.cont_reading_from_srcdev_mode);
|
|
|
|
str = (const char*) args.start.srcdev_name;
|
|
print_quoted_string(str,
|
|
sizeof(args.start.srcdev_name),
|
|
QUOTE_0_TERMINATED);
|
|
tprints(", tgtdev_name=");
|
|
str = (const char*) args.start.tgtdev_name;
|
|
print_quoted_string(str,
|
|
sizeof(args.start.tgtdev_name),
|
|
QUOTE_0_TERMINATED);
|
|
tprints("}");
|
|
|
|
}
|
|
tprints("}");
|
|
return 0;
|
|
}
|
|
|
|
tprints("{result=");
|
|
printxval64(btrfs_dev_replace_results, args.result,
|
|
"BTRFS_IOCTL_DEV_REPLACE_RESULT_???");
|
|
if (args.cmd == BTRFS_IOCTL_DEV_REPLACE_CMD_STATUS) {
|
|
char buf[sizeof("HH:MM:SS") + 1];
|
|
time_t time;
|
|
tprints(", ");
|
|
printxval64(btrfs_dev_replace_state,
|
|
args.status.replace_state,
|
|
"BTRFS_IOCTL_DEV_REPLACE_STATE_???");
|
|
tprintf(", progress_1000=%" PRIu64 " /* ",
|
|
(uint64_t) args.status.progress_1000);
|
|
if (args.status.progress_1000 <= 1000)
|
|
tprintf("%" PRIu64 ".%.2" PRIu64 "%%",
|
|
(uint64_t) args.status.progress_1000 / 10,
|
|
(uint64_t) args.status.progress_1000 % 10);
|
|
else
|
|
tprints("???");
|
|
tprints(" */ ,");
|
|
|
|
time = args.status.time_started;
|
|
strftime(buf, sizeof(buf), "%T",
|
|
localtime(&time));
|
|
tprintf("time_started=%" PRIu64" /* %s */, ",
|
|
(uint64_t) args.status.time_started, buf);
|
|
|
|
time = args.status.time_stopped;
|
|
strftime(buf, sizeof(buf), "%T",
|
|
localtime(&time));
|
|
tprintf("time_stopped=%" PRIu64" /* %s */, ",
|
|
(uint64_t) args.status.time_stopped, buf);
|
|
|
|
tprintf("num_write_errors=%" PRIu64
|
|
", num_uncorrectable_read_errors=%" PRIu64,
|
|
(uint64_t) args.status.num_write_errors,
|
|
(uint64_t) args.status.num_uncorrectable_read_errors);
|
|
}
|
|
tprints("}");
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_GET_FEATURES: { /* R */
|
|
struct btrfs_ioctl_feature_flags flags;
|
|
|
|
if (entering(tcp))
|
|
return 0;
|
|
|
|
tprints(", ");
|
|
if (umove_or_printaddr(tcp, arg, &flags))
|
|
break;
|
|
|
|
btrfs_print_features(&flags);
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_SET_FEATURES: { /* W */
|
|
struct btrfs_ioctl_feature_flags flarg[2];
|
|
|
|
tprints(", ");
|
|
|
|
if (umove_or_printaddr(tcp, arg, &flarg))
|
|
break;
|
|
|
|
tprints("[");
|
|
btrfs_print_features(&flarg[0]);
|
|
tprints(", ");
|
|
btrfs_print_features(&flarg[1]);
|
|
tprints("]");
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_GET_SUPPORTED_FEATURES: { /* R */
|
|
struct btrfs_ioctl_feature_flags flarg[3];
|
|
|
|
if (entering(tcp))
|
|
return 0;
|
|
|
|
tprints(", ");
|
|
if (umove_or_printaddr(tcp, arg, &flarg))
|
|
break;
|
|
|
|
tprints("[ /* supported */ ");
|
|
btrfs_print_features(&flarg[0]);
|
|
|
|
tprints(", /* safe to set */ ");
|
|
btrfs_print_features(&flarg[1]);
|
|
|
|
tprints(", /* safe to clear */ ");
|
|
btrfs_print_features(&flarg[2]);
|
|
tprints("]");
|
|
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_FS_INFO: { /* R */
|
|
struct btrfs_ioctl_fs_info_args args;
|
|
char uuid[UUID_STRING_SIZE+1];
|
|
uint32_t nodesize, sectorsize, clone_alignment;
|
|
#ifndef HAVE_STRUCT_BTRFS_IOCTL_FS_INFO_ARGS_NODESIZE
|
|
__u32 *reserved32;
|
|
#endif
|
|
|
|
if (entering(tcp))
|
|
return 0;
|
|
|
|
tprints(", ");
|
|
if (umove_or_printaddr(tcp, arg, &args))
|
|
break;
|
|
|
|
#ifdef HAVE_STRUCT_BTRFS_IOCTL_FS_INFO_ARGS_NODESIZE
|
|
nodesize = args.nodesize,
|
|
sectorsize = args.sectorsize,
|
|
clone_alignment = args.clone_alignment;
|
|
#else
|
|
reserved32 = (__u32 *) (void *) args.reserved;
|
|
nodesize = reserved32[0];
|
|
sectorsize = reserved32[1];
|
|
clone_alignment = reserved32[2];
|
|
#endif
|
|
btrfs_unparse_uuid(args.fsid, uuid);
|
|
|
|
tprints("{");
|
|
tprintf("max_id=%" PRI__u64 ", num_devices=%" PRI__u64
|
|
", fsid=%s, nodesize=%u, sectorsize=%u"
|
|
", clone_alignment=%u",
|
|
args.max_id, args.num_devices, uuid,
|
|
nodesize, sectorsize, clone_alignment);
|
|
tprints("}");
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_GET_DEV_STATS: { /* RW */
|
|
struct btrfs_ioctl_get_dev_stats args;
|
|
uint64_t i;
|
|
|
|
if (entering(tcp))
|
|
tprints(", ");
|
|
else if (syserror(tcp))
|
|
break;
|
|
else
|
|
tprints(" => ");
|
|
if (umove_or_printaddr(tcp, arg, &args))
|
|
break;
|
|
|
|
tprints("{");
|
|
|
|
if (entering(tcp))
|
|
tprintf("devid=%" PRI__u64 ", ", args.devid);
|
|
|
|
tprintf("nr_items=%" PRI__u64 ", flags=", args.nr_items);
|
|
printflags64(btrfs_dev_stats_flags, args.flags,
|
|
"BTRFS_DEV_STATS_???");
|
|
|
|
if (entering(tcp)) {
|
|
tprints("}");
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* The structure has a 1k limit; Let's make sure we don't
|
|
* go off into the middle of nowhere with a bad nr_items
|
|
* value.
|
|
*/
|
|
tprints(", [");
|
|
for (i = 0; i < args.nr_items; i++) {
|
|
if (i)
|
|
tprints(", ");
|
|
if (i >= ARRAY_SIZE(args.values)) {
|
|
tprints("...");
|
|
break;
|
|
}
|
|
const char *name = xlookup(btrfs_dev_stats_values, i);
|
|
if (name)
|
|
tprintf("/* %s */ ", name);
|
|
tprintf("%" PRI__u64, args.values[i]);
|
|
}
|
|
tprints("]}");
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_INO_LOOKUP: { /* RW */
|
|
struct btrfs_ioctl_ino_lookup_args args;
|
|
|
|
if (entering(tcp))
|
|
tprints(", ");
|
|
else if (syserror(tcp))
|
|
break;
|
|
else
|
|
tprints(" => ");
|
|
|
|
if (umove_or_printaddr(tcp, arg, &args))
|
|
break;
|
|
|
|
if (entering(tcp)) {
|
|
/* Use subvolume id of the containing root */
|
|
if (args.treeid == 0)
|
|
set_tcb_priv_ulong(tcp, 1);
|
|
|
|
tprints("{treeid=");
|
|
btrfs_print_objectid(args.treeid);
|
|
tprints(", objectid=");
|
|
btrfs_print_objectid(args.objectid);
|
|
tprints("}");
|
|
return 0;
|
|
}
|
|
|
|
tprints("{");
|
|
if (get_tcb_priv_ulong(tcp)) {
|
|
tprints("treeid=");
|
|
btrfs_print_objectid(args.treeid);
|
|
tprints(", ");
|
|
}
|
|
|
|
tprints("name=");
|
|
print_quoted_string(args.name, sizeof(args.name),
|
|
QUOTE_0_TERMINATED);
|
|
tprints("}");
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_INO_PATHS: { /* RW */
|
|
struct btrfs_ioctl_ino_path_args args;
|
|
|
|
if (entering(tcp))
|
|
tprints(", ");
|
|
else if (syserror(tcp))
|
|
break;
|
|
else
|
|
tprints(" => ");
|
|
|
|
if (umove_or_printaddr(tcp, arg, &args))
|
|
break;
|
|
|
|
tprints("{");
|
|
|
|
if (entering(tcp)) {
|
|
tprintf("inum=%" PRI__u64 ", size=%" PRI__u64,
|
|
args.inum, args.size);
|
|
tprintf(", fspath=0x%" PRI__x64 "}", args.fspath);
|
|
return 0;
|
|
}
|
|
|
|
tprints("fspath=");
|
|
btrfs_print_ino_path_container(tcp, args.fspath);
|
|
|
|
tprints("}");
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_LOGICAL_INO: { /* RW */
|
|
struct btrfs_ioctl_logical_ino_args args;
|
|
|
|
if (entering(tcp))
|
|
tprints(", ");
|
|
else if (syserror(tcp))
|
|
break;
|
|
else
|
|
tprints(" => ");
|
|
|
|
if (umove_or_printaddr(tcp, arg, &args))
|
|
break;
|
|
|
|
tprints("{");
|
|
|
|
if (entering(tcp)) {
|
|
tprintf("logical=%" PRI__u64 ", size=%" PRI__u64,
|
|
args.logical, args.size);
|
|
tprintf(", inodes=0x%" PRI__x64 "}", args.inodes);
|
|
return 0;
|
|
}
|
|
|
|
tprints("inodes=");
|
|
btrfs_print_logical_ino_container(tcp, args.inodes);
|
|
|
|
tprints("}");
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_QGROUP_ASSIGN: { /* W */
|
|
struct btrfs_ioctl_qgroup_assign_args args;
|
|
|
|
tprints(", ");
|
|
if (umove_or_printaddr(tcp, arg, &args))
|
|
break;
|
|
|
|
tprintf("{assign=%" PRI__u64 ", src=%" PRI__u64
|
|
", dst=%" PRI__u64 "}",
|
|
args.assign, args.src, args.dst);
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_QGROUP_CREATE: { /* W */
|
|
struct btrfs_ioctl_qgroup_create_args args;
|
|
|
|
tprints(", ");
|
|
if (umove_or_printaddr(tcp, arg, &args))
|
|
break;
|
|
|
|
tprintf("{create=%" PRI__u64 ", qgroupid=%" PRI__u64 "}",
|
|
args.create, args.qgroupid);
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_QGROUP_LIMIT: { /* R */
|
|
struct btrfs_ioctl_qgroup_limit_args args;
|
|
|
|
if (entering(tcp))
|
|
return 0;
|
|
|
|
tprints(", ");
|
|
if (umove_or_printaddr(tcp, arg, &args))
|
|
break;
|
|
|
|
tprintf("{qgroupid=%" PRI__u64 ", lim=", args.qgroupid);
|
|
btrfs_print_qgroup_limit(&args.lim);
|
|
tprints("}");
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_QUOTA_CTL: { /* W */
|
|
struct btrfs_ioctl_quota_ctl_args args;
|
|
|
|
tprints(", ");
|
|
if (umove_or_printaddr(tcp, arg, &args))
|
|
break;
|
|
|
|
printxval64(btrfs_qgroup_ctl_cmds, args.cmd,
|
|
"BTRFS_QUOTA_CTL_???");
|
|
tprints("}");
|
|
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_QUOTA_RESCAN: { /* W */
|
|
struct btrfs_ioctl_quota_rescan_args args;
|
|
|
|
tprints(", ");
|
|
if (umove_or_printaddr(tcp, arg, &args))
|
|
break;
|
|
|
|
tprintf("{flags=%" PRIu64 "}", (uint64_t) args.flags);
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_QUOTA_RESCAN_STATUS: { /* R */
|
|
struct btrfs_ioctl_quota_rescan_args args;
|
|
|
|
if (entering(tcp))
|
|
return 0;
|
|
|
|
tprints(", ");
|
|
if (umove_or_printaddr(tcp, arg, &args))
|
|
break;
|
|
|
|
tprintf("{flags=%" PRIu64 ", progress=", (uint64_t) args.flags);
|
|
btrfs_print_objectid(args.progress);
|
|
tprints("}");
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_SET_RECEIVED_SUBVOL: { /* RW */
|
|
struct_btrfs_ioctl_received_subvol_args args;
|
|
char uuid[UUID_STRING_SIZE+1];
|
|
|
|
if (entering(tcp))
|
|
tprints(", ");
|
|
else if (syserror(tcp))
|
|
break;
|
|
else
|
|
tprints(" => ");
|
|
|
|
if (umove_or_printaddr(tcp, arg, &args))
|
|
break;
|
|
|
|
if (entering(tcp)) {
|
|
btrfs_unparse_uuid((unsigned char *)args.uuid, uuid);
|
|
tprintf("{uuid=%s, stransid=%" PRIu64
|
|
", stime=%" PRIu64 ".%u, flags=%" PRIu64
|
|
"}", uuid, (uint64_t) args.stransid,
|
|
(uint64_t) args.stime.sec, args.stime.nsec,
|
|
(uint64_t) args.flags);
|
|
return 0;
|
|
}
|
|
tprintf("{rtransid=%" PRIu64 ", rtime=%" PRIu64 ".%u}",
|
|
(uint64_t) args.rtransid, (uint64_t) args.rtime.sec,
|
|
args.rtime.nsec);
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_SCRUB: /* RW */
|
|
case BTRFS_IOC_SCRUB_PROGRESS: { /* RW */
|
|
struct btrfs_ioctl_scrub_args args;
|
|
|
|
if (entering(tcp))
|
|
tprints(", ");
|
|
else if (syserror(tcp))
|
|
break;
|
|
else
|
|
tprints(" => ");
|
|
|
|
if (umove_or_printaddr(tcp, arg, &args))
|
|
break;
|
|
|
|
if (entering(tcp)) {
|
|
tprintf("{devid=%" PRI__u64, args.devid);
|
|
if (code == BTRFS_IOC_SCRUB) {
|
|
tprintf(", start=%" PRI__u64 ", end=",
|
|
args.start);
|
|
tprintf("%" PRI__u64, args.end);
|
|
if (args.end == UINT64_MAX)
|
|
tprints(" /* UINT64_MAX */");
|
|
tprints(", flags=");
|
|
printflags64(btrfs_scrub_flags, args.flags,
|
|
"BTRFS_SCRUB_???");
|
|
}
|
|
tprints("}");
|
|
return 0;
|
|
}
|
|
tprintf("{data_extents_scrubbed=%" PRI__u64
|
|
", tree_extents_scrubbed=%" PRI__u64
|
|
", data_bytes_scrubbed=%" PRI__u64
|
|
", tree_bytes_scrubbed=%" PRI__u64
|
|
", read_errors=%" PRI__u64
|
|
", csum_errors=%" PRI__u64
|
|
", verify_errors=%" PRI__u64
|
|
", no_csum=%" PRI__u64
|
|
", csum_discards=%" PRI__u64
|
|
", super_errors=%" PRI__u64
|
|
", malloc_errors=%" PRI__u64
|
|
", uncorrectable_errors=%" PRI__u64
|
|
", corrected_errors=%" PRI__u64
|
|
", last_physical=%" PRI__u64
|
|
", unverified_errors=%" PRI__u64 "}",
|
|
args.progress.data_extents_scrubbed,
|
|
args.progress.tree_extents_scrubbed,
|
|
args.progress.data_bytes_scrubbed,
|
|
args.progress.tree_bytes_scrubbed,
|
|
args.progress.read_errors,
|
|
args.progress.csum_errors,
|
|
args.progress.verify_errors,
|
|
args.progress.no_csum,
|
|
args.progress.csum_discards,
|
|
args.progress.super_errors,
|
|
args.progress.malloc_errors,
|
|
args.progress.uncorrectable_errors,
|
|
args.progress.corrected_errors,
|
|
args.progress.last_physical,
|
|
args.progress.unverified_errors);
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_TREE_SEARCH: { /* RW */
|
|
struct btrfs_ioctl_search_args args;
|
|
uint64_t buf_offset;
|
|
|
|
if (entering(tcp))
|
|
tprints(", ");
|
|
else if (syserror(tcp))
|
|
break;
|
|
else
|
|
tprints(" => ");
|
|
|
|
if (umove_or_printaddr(tcp, arg, &args))
|
|
break;
|
|
|
|
buf_offset = offsetof(struct btrfs_ioctl_search_args, buf);
|
|
btrfs_print_tree_search(tcp, &args.key, arg + buf_offset,
|
|
sizeof(args.buf), false);
|
|
if (entering(tcp))
|
|
return 0;
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_TREE_SEARCH_V2: { /* RW */
|
|
struct btrfs_ioctl_search_args_v2 args;
|
|
uint64_t buf_offset;
|
|
|
|
if (entering(tcp))
|
|
tprints(", ");
|
|
else if (syserror(tcp)) {
|
|
if (tcp->u_error == EOVERFLOW) {
|
|
tprints(" => ");
|
|
tcp->u_error = 0;
|
|
if (!umove_or_printaddr(tcp, arg, &args))
|
|
tprintf("{buf_size=%" PRIu64 "}",
|
|
(uint64_t)args.buf_size);
|
|
tcp->u_error = EOVERFLOW;
|
|
}
|
|
break;
|
|
} else
|
|
tprints(" => ");
|
|
|
|
if (umove_or_printaddr(tcp, arg, &args))
|
|
break;
|
|
|
|
buf_offset = offsetof(struct btrfs_ioctl_search_args_v2, buf);
|
|
btrfs_print_tree_search(tcp, &args.key, arg + buf_offset,
|
|
args.buf_size, true);
|
|
if (entering(tcp))
|
|
return 0;
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_SEND: { /* W */
|
|
struct_btrfs_ioctl_send_args args;
|
|
|
|
tprints(", ");
|
|
if (umove_or_printaddr(tcp, arg, &args))
|
|
break;
|
|
|
|
tprints("{send_fd=");
|
|
printfd(tcp, args.send_fd);
|
|
tprintf(", clone_sources_count=%" PRIu64 ", clone_sources=",
|
|
(uint64_t) args.clone_sources_count);
|
|
|
|
if (abbrev(tcp))
|
|
tprints("...");
|
|
else {
|
|
uint64_t record;
|
|
print_array(tcp, ptr_to_kulong(args.clone_sources),
|
|
args.clone_sources_count,
|
|
&record, sizeof(record),
|
|
umoven_or_printaddr,
|
|
print_objectid_callback, 0);
|
|
}
|
|
tprints(", parent_root=");
|
|
btrfs_print_objectid(args.parent_root);
|
|
tprints(", flags=");
|
|
printflags64(btrfs_send_flags, args.flags,
|
|
"BTRFS_SEND_FLAGS_???");
|
|
tprints("}");
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_SPACE_INFO: { /* RW */
|
|
struct btrfs_ioctl_space_args args;
|
|
|
|
if (entering(tcp))
|
|
tprints(", ");
|
|
else if (syserror(tcp))
|
|
break;
|
|
else
|
|
tprints(" => ");
|
|
|
|
if (umove_or_printaddr(tcp, arg, &args))
|
|
break;
|
|
|
|
tprints("{");
|
|
if (entering(tcp)) {
|
|
tprintf("space_slots=%" PRI__u64 "}", args.space_slots);
|
|
return 0;
|
|
}
|
|
|
|
tprintf("total_spaces=%" PRI__u64, args.total_spaces);
|
|
|
|
if (args.space_slots == 0 && args.total_spaces) {
|
|
tprints("}");
|
|
break;
|
|
}
|
|
|
|
tprints(", spaces=");
|
|
|
|
if (abbrev(tcp))
|
|
tprints("...");
|
|
else {
|
|
struct btrfs_ioctl_space_info info;
|
|
print_array(tcp, arg + offsetof(typeof(args), spaces),
|
|
args.total_spaces,
|
|
&info, sizeof(info), umoven_or_printaddr,
|
|
print_btrfs_ioctl_space_info, 0);
|
|
}
|
|
tprints("}");
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_SNAP_CREATE:
|
|
case BTRFS_IOC_RESIZE:
|
|
case BTRFS_IOC_SCAN_DEV:
|
|
case BTRFS_IOC_ADD_DEV:
|
|
case BTRFS_IOC_RM_DEV:
|
|
case BTRFS_IOC_SUBVOL_CREATE:
|
|
case BTRFS_IOC_SNAP_DESTROY:
|
|
case BTRFS_IOC_DEVICES_READY: { /* W */
|
|
struct btrfs_ioctl_vol_args args;
|
|
|
|
tprints(", ");
|
|
if (umove_or_printaddr(tcp, arg, &args))
|
|
break;
|
|
|
|
tprints("{fd=");
|
|
printfd(tcp, args.fd);
|
|
tprints(", name=");
|
|
print_quoted_string(args.name, sizeof(args.name),
|
|
QUOTE_0_TERMINATED);
|
|
tprints("}");
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_SNAP_CREATE_V2:
|
|
case BTRFS_IOC_SUBVOL_CREATE_V2: { /* code is W, but is actually RW */
|
|
struct_btrfs_ioctl_vol_args_v2 args;
|
|
|
|
if (entering(tcp))
|
|
tprints(", ");
|
|
else if (syserror(tcp))
|
|
break;
|
|
else
|
|
tprints(" => ");
|
|
|
|
if (umove_or_printaddr(tcp, arg, &args))
|
|
break;
|
|
|
|
if (entering(tcp)) {
|
|
tprints("{fd=");
|
|
printfd(tcp, args.fd);
|
|
tprints(", flags=");
|
|
printflags64(btrfs_snap_flags_v2, args.flags,
|
|
"BTRFS_SUBVOL_???");
|
|
if (args.flags & BTRFS_SUBVOL_QGROUP_INHERIT) {
|
|
tprintf(", size=%" PRIu64 ", qgroup_inherit=",
|
|
(uint64_t) args.size);
|
|
|
|
btrfs_print_qgroup_inherit(tcp,
|
|
ptr_to_kulong(args.qgroup_inherit));
|
|
}
|
|
tprints(", name=");
|
|
print_quoted_string(args.name, sizeof(args.name),
|
|
QUOTE_0_TERMINATED);
|
|
tprints("}");
|
|
return 0;
|
|
}
|
|
tprintf("{transid=%" PRIu64 "}", (uint64_t) args.transid);
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_GET_FSLABEL: /* R */
|
|
if (entering(tcp))
|
|
return 0;
|
|
/* fall through */
|
|
case BTRFS_IOC_SET_FSLABEL: { /* W */
|
|
char label[BTRFS_LABEL_SIZE];
|
|
|
|
tprints(", ");
|
|
if (umove_or_printaddr(tcp, arg, &label))
|
|
break;
|
|
print_quoted_string(label, sizeof(label), QUOTE_0_TERMINATED);
|
|
break;
|
|
}
|
|
|
|
case BTRFS_IOC_CLONE: /* FICLONE */
|
|
case BTRFS_IOC_CLONE_RANGE: /* FICLONERANGE */
|
|
#ifdef BTRFS_IOC_FILE_EXTENT_SAME
|
|
case BTRFS_IOC_FILE_EXTENT_SAME: /* FIDEDUPERANGE */
|
|
#endif
|
|
/*
|
|
* FICLONE, FICLONERANGE, and FIDEDUPERANGE started out as
|
|
* btrfs ioctls and the code was kept for the generic
|
|
* implementations. We use the BTRFS_* names here because
|
|
* they will be available on older systems.
|
|
*/
|
|
return file_ioctl(tcp, code, arg);
|
|
|
|
default:
|
|
return RVAL_DECODED;
|
|
};
|
|
return RVAL_DECODED | 1;
|
|
}
|
|
#endif /* HAVE_LINUX_BTRFS_H */
|