#include "tests.h"
#ifdef HAVE_LINUX_BTRFS_H
#include <errno.h>
#include <fcntl.h>
#include <inttypes.h>
#include <limits.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/vfs.h>
#include <linux/fs.h>
#include <linux/btrfs.h>
#include <linux/magic.h>
#include "xlat.h"
#include "xlat/btrfs_balance_args.h"
#include "xlat/btrfs_balance_flags.h"
#include "xlat/btrfs_balance_state.h"
#include "xlat/btrfs_compress_types.h"
#include "xlat/btrfs_defrag_flags.h"
#include "xlat/btrfs_dev_stats_values.h"
#include "xlat/btrfs_dev_stats_flags.h"
#include "xlat/btrfs_qgroup_inherit_flags.h"
#include "xlat/btrfs_qgroup_limit_flags.h"
#include "xlat/btrfs_scrub_flags.h"
#include "xlat/btrfs_send_flags.h"
#include "xlat/btrfs_space_info_flags.h"
#include "xlat/btrfs_snap_flags_v2.h"
#include "xlat/btrfs_tree_objectids.h"
#include "xlat/btrfs_features_compat.h"
#include "xlat/btrfs_features_compat_ro.h"
#include "xlat/btrfs_features_incompat.h"
#include "xlat/btrfs_key_types.h"
#ifdef HAVE_LINUX_FIEMAP_H
# include <linux/fiemap.h>
# include "xlat/fiemap_flags.h"
# include "xlat/fiemap_extent_flags.h"
#endif
#ifndef BTRFS_LABEL_SIZE
# define BTRFS_LABEL_SIZE 256
#endif
#ifndef BTRFS_NAME_LEN
# define BTRFS_NAME_LEN 255
#endif
/*
* Prior to Linux 3.12, the BTRFS_IOC_DEFAULT_SUBVOL used u64 in
* its definition, which isn't exported by the kernel.
*/
typedef __u64 u64;
static const char *btrfs_test_root;
static int btrfs_test_dir_fd;
static bool verbose = false;
static bool write_ok = false;
const unsigned char uuid_reference[BTRFS_UUID_SIZE] = {
0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef,
0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10,
};
const char uuid_reference_string[] = "01234567-89ab-cdef-fedc-ba9876543210";
#ifndef BTRFS_IOC_QUOTA_RESCAN
struct btrfs_ioctl_quota_rescan_args {
uint64_t flags, progress, reserved[6];
};
# define BTRFS_IOC_QUOTA_RESCAN _IOW(BTRFS_IOCTL_MAGIC, 44, \
struct btrfs_ioctl_quota_rescan_args)
# define BTRFS_IOC_QUOTA_RESCAN_STATUS _IOR(BTRFS_IOCTL_MAGIC, 45, \
struct btrfs_ioctl_quota_rescan_args)
#endif
#ifndef BTRFS_IOC_QUOTA_RESCAN_WAIT
# define BTRFS_IOC_QUOTA_RESCAN_WAIT _IO(BTRFS_IOCTL_MAGIC, 46)
#endif
#ifndef BTRFS_IOC_GET_FEATURES
# define BTRFS_IOC_GET_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \
struct btrfs_ioctl_feature_flags)
# define BTRFS_IOC_SET_FEATURES _IOW(BTRFS_IOCTL_MAGIC, 57, \
struct btrfs_ioctl_feature_flags[2])
# define BTRFS_IOC_GET_SUPPORTED_FEATURES _IOR(BTRFS_IOCTL_MAGIC, 57, \
struct btrfs_ioctl_feature_flags[3])
#endif
#ifndef HAVE_STRUCT_BTRFS_IOCTL_FEATURE_FLAGS_COMPAT_FLAGS
struct btrfs_ioctl_feature_flags {
uint64_t compat_flags;
uint64_t compat_ro_flags;
uint64_t incompat_flags;
};
#endif
#ifndef HAVE_STRUCT_BTRFS_IOCTL_DEFRAG_RANGE_ARGS_START
struct btrfs_ioctl_defrag_range_args {
uint64_t start;
uint64_t len;
uint64_t flags;
uint32_t extent_thresh;
uint32_t compress_type;
uint32_t unused[4];
};
#endif
#ifndef FIDEDUPERANGE
# define FIDEDUPERANGE _IOWR(0x94, 54, struct file_dedupe_range)
struct file_dedupe_range_info {
int64_t dest_fd; /* in - destination file */
uint64_t dest_offset; /* in - start of extent in destination */
uint64_t bytes_deduped; /* out - total # of bytes we were able
* to dedupe from this file. */
/* status of this dedupe operation:
* < 0 for error
* == FILE_DEDUPE_RANGE_SAME if dedupe succeeds
* == FILE_DEDUPE_RANGE_DIFFERS if data differs
*/
int32_t status; /* out - see above description */
uint32_t reserved; /* must be zero */
};
struct file_dedupe_range {
uint64_t src_offset; /* in - start of extent in source */
uint64_t src_length; /* in - length of extent */
uint16_t dest_count; /* in - total elements in info array */
uint16_t reserved1; /* must be zero */
uint32_t reserved2; /* must be zero */
struct file_dedupe_range_info info[0];
};
#endif
#ifndef BTRFS_IOC_TREE_SEARCH_V2
# define BTRFS_IOC_TREE_SEARCH_V2 _IOWR(BTRFS_IOCTL_MAGIC, 17, \
struct btrfs_ioctl_search_args_v2)
struct btrfs_ioctl_search_args_v2 {
struct btrfs_ioctl_search_key key; /* in/out - search parameters */
uint64_t buf_size; /* in - size of buffer
* out - on EOVERFLOW: needed size
* to store item */
uint64_t buf[0]; /* out - found items */
};
#endif
static const char *
maybe_print_uint64max(uint64_t val)
{
if (val == UINT64_MAX)
return " /* UINT64_MAX */";
return "";
}
/* takes highest valid flag bit */
static uint64_t
max_flags_plus_one(int bit)
{
int i;
uint64_t val = 0;
if (bit == -1)
return 1;
for (i = 0; i <= bit + 1 && i < 64; i++)
val |= (1ULL << i);
return val;
}
/*
* Consumes no arguments, returns nothing:
*
* - BTRFS_IOC_TRANS_START
* - BTRFS_IOC_TRANS_END
*/
static void
btrfs_test_trans_ioctls(void)
{
ioctl(-1, BTRFS_IOC_TRANS_START, NULL);
printf("ioctl(-1, BTRFS_IOC_TRANS_START) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_TRANS_END, NULL);
printf("ioctl(-1, BTRFS_IOC_TRANS_END) = -1 EBADF (%m)\n");
}
/*
* Consumes no arguments, returns nothing:
* - BTRFS_IOC_SYNC
*
* Consumes argument, returns nothing
* - BTRFS_IOC_WAIT_SYNC
*/
static void
btrfs_test_sync_ioctls(void)
{
uint64_t u64val = 0xdeadbeefbadc0dedULL;
ioctl(-1, BTRFS_IOC_SYNC, NULL);
printf("ioctl(-1, BTRFS_IOC_SYNC) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_WAIT_SYNC, NULL);
printf("ioctl(-1, BTRFS_IOC_WAIT_SYNC, NULL) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_WAIT_SYNC, &u64val);
printf("ioctl(-1, BTRFS_IOC_WAIT_SYNC, [%" PRIu64
"]) = -1 EBADF (%m)\n", u64val);
/*
* The live test of BTRFS_IOC_SYNC happens as a part of the test
* for BTRFS_IOC_LOGICAL_INO
*/
}
static void
btrfs_print_qgroup_inherit(struct btrfs_qgroup_inherit *inherit)
{
printf("{flags=");
printflags(btrfs_qgroup_inherit_flags, inherit->flags,
"BTRFS_QGROUP_INHERIT_???");
printf(", num_qgroups=%" PRI__u64
", num_ref_copies=%" PRI__u64
", num_excl_copies=%" PRI__u64", lim={flags=",
inherit->num_qgroups, inherit->num_ref_copies,
inherit->num_excl_copies);
printflags(btrfs_qgroup_limit_flags,
inherit->lim.flags,
"BTRFS_QGROUP_LIMIT_???");
printf(", max_rfer=%" PRI__u64 ", max_excl=%" PRI__u64
", rsv_rfer=%" PRI__u64 ", rsv_excl=%" PRI__u64
"}, qgroups=",
inherit->lim.max_rfer, inherit->lim.max_excl,
inherit->lim.rsv_rfer, inherit->lim.rsv_excl);
if (verbose) {
unsigned int i;
printf("[");
for (i = 0; i < inherit->num_qgroups; i++) {
if (i > 0)
printf(", ");
printf("%" PRI__u64, inherit->qgroups[i]);
}
printf("]");
} else
printf("...");
printf("}");
}
static void
btrfs_print_vol_args_v2(struct btrfs_ioctl_vol_args_v2 *args, int print_qgroups)
{
printf("{fd=%d, flags=", (int) args->fd);
printflags(btrfs_snap_flags_v2, args->flags, "BTRFS_SUBVOL_???");
if (args->flags & BTRFS_SUBVOL_QGROUP_INHERIT) {
printf(", size=%" PRI__u64 ", qgroup_inherit=", args->size);
if (args->qgroup_inherit && print_qgroups)
btrfs_print_qgroup_inherit(args->qgroup_inherit);
else if (args->qgroup_inherit)
printf("%p", args->qgroup_inherit);
else
printf("NULL");
}
printf(", name=\"%s\"}", args->name);
}
/*
* Consumes argument, returns nothing:
* - BTRFS_IOC_SNAP_CREATE
* - BTRFS_IOC_SUBVOL_CREATE
* - BTRFS_IOC_SNAP_DESTROY
* - BTRFS_IOC_DEFAULT_SUBVOL
*
* Consumes argument, returns u64:
* - BTRFS_IOC_SNAP_CREATE_V2
* - BTRFS_IOC_SUBVOL_CREATE_V2
*/
static void
btrfs_test_subvol_ioctls(void)
{
const char *subvol_name = "subvol-name";
char *long_subvol_name;
void *bad_pointer = (void *) (unsigned long) 0xdeadbeeffffffeedULL;
uint64_t u64val = 0xdeadbeefbadc0dedULL;
struct btrfs_ioctl_vol_args vol_args = {};
struct btrfs_ioctl_vol_args_v2 vol_args_v2 = {
.fd = 2,
.flags = max_flags_plus_one(2),
};
long_subvol_name = malloc(BTRFS_PATH_NAME_MAX);
if (!long_subvol_name)
perror_msg_and_fail("malloc failed");
memset(long_subvol_name, 'f', BTRFS_PATH_NAME_MAX);
long_subvol_name[BTRFS_PATH_NAME_MAX - 1] = '\0';
strcpy(vol_args.name, subvol_name);
ioctl(-1, BTRFS_IOC_SNAP_CREATE, NULL);
printf("ioctl(-1, BTRFS_IOC_SNAP_CREATE, NULL) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_SNAP_CREATE, &vol_args);
printf("ioctl(-1, BTRFS_IOC_SNAP_CREATE, "
"{fd=0, name=\"%s\"}) = -1 EBADF (%m)\n", vol_args.name);
ioctl(-1, BTRFS_IOC_SUBVOL_CREATE, &vol_args);
printf("ioctl(-1, BTRFS_IOC_SUBVOL_CREATE, "
"{fd=0, name=\"%s\"}) = -1 EBADF (%m)\n", vol_args.name);
ioctl(-1, BTRFS_IOC_SNAP_DESTROY, &vol_args);
printf("ioctl(-1, BTRFS_IOC_SNAP_DESTROY,"
" {fd=0, name=\"%s\"}) = -1 EBADF (%m)\n", vol_args.name);
strncpy(vol_args.name, long_subvol_name, BTRFS_PATH_NAME_MAX);
ioctl(-1, BTRFS_IOC_SNAP_CREATE, &vol_args);
printf("ioctl(-1, BTRFS_IOC_SNAP_CREATE,"
" {fd=0, name=\"%s\"}) = -1 EBADF (%m)\n", vol_args.name);
ioctl(-1, BTRFS_IOC_SUBVOL_CREATE, &vol_args);
printf("ioctl(-1, BTRFS_IOC_SUBVOL_CREATE,"
" {fd=0, name=\"%s\"}) = -1 EBADF (%m)\n", vol_args.name);
ioctl(-1, BTRFS_IOC_SNAP_DESTROY, &vol_args);
printf("ioctl(-1, BTRFS_IOC_SNAP_DESTROY,"
" {fd=0, name=\"%s\"}) = -1 EBADF (%m)\n", vol_args.name);
long_subvol_name = realloc(long_subvol_name, BTRFS_SUBVOL_NAME_MAX);
if (!long_subvol_name)
perror_msg_and_fail("realloc failed");
ioctl(-1, BTRFS_IOC_SNAP_CREATE_V2, NULL);
printf("ioctl(-1, BTRFS_IOC_SNAP_CREATE_V2, NULL) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_SUBVOL_CREATE_V2, NULL);
printf("ioctl(-1, BTRFS_IOC_SUBVOL_CREATE_V2, NULL) = -1 EBADF (%m)\n");
strcpy(vol_args_v2.name, subvol_name);
printf("ioctl(-1, BTRFS_IOC_SNAP_CREATE_V2, ");
btrfs_print_vol_args_v2(&vol_args_v2, 1);
ioctl(-1, BTRFS_IOC_SNAP_CREATE_V2, &vol_args_v2);
printf(") = -1 EBADF (%m)\n");
printf("ioctl(-1, BTRFS_IOC_SUBVOL_CREATE_V2, ");
btrfs_print_vol_args_v2(&vol_args_v2, 1);
ioctl(-1, BTRFS_IOC_SUBVOL_CREATE_V2, &vol_args_v2);
printf(") = -1 EBADF (%m)\n");
strncpy(vol_args_v2.name, long_subvol_name, BTRFS_SUBVOL_NAME_MAX);
printf("ioctl(-1, BTRFS_IOC_SNAP_CREATE_V2, ");
btrfs_print_vol_args_v2(&vol_args_v2, 1);
ioctl(-1, BTRFS_IOC_SNAP_CREATE_V2, &vol_args_v2);
printf(") = -1 EBADF (%m)\n");
printf("ioctl(-1, BTRFS_IOC_SUBVOL_CREATE_V2, ");
btrfs_print_vol_args_v2(&vol_args_v2, 1);
ioctl(-1, BTRFS_IOC_SUBVOL_CREATE_V2, &vol_args_v2);
printf(") = -1 EBADF (%m)\n");
strcpy(vol_args_v2.name, subvol_name);
vol_args_v2.qgroup_inherit = bad_pointer;
printf("ioctl(-1, BTRFS_IOC_SNAP_CREATE_V2, ");
btrfs_print_vol_args_v2(&vol_args_v2, 0);
ioctl(-1, BTRFS_IOC_SNAP_CREATE_V2, &vol_args_v2);
printf(") = -1 EBADF (%m)\n");
printf("ioctl(-1, BTRFS_IOC_SUBVOL_CREATE_V2, ");
btrfs_print_vol_args_v2(&vol_args_v2, 0);
ioctl(-1, BTRFS_IOC_SUBVOL_CREATE_V2, &vol_args_v2);
printf(") = -1 EBADF (%m)\n");
const unsigned int n_qgroups = 8;
unsigned int i;
struct btrfs_qgroup_inherit *inherit;
vol_args_v2.size =
sizeof(*inherit) + n_qgroups * sizeof(inherit->qgroups[0]);
inherit = tail_alloc(vol_args_v2.size);
inherit->flags = 0x3;
inherit->num_ref_copies = 0;
inherit->num_excl_copies = 0;
inherit->num_qgroups = n_qgroups;
for (i = 0; i < n_qgroups; i++)
inherit->qgroups[i] = 1ULL << i;
inherit->lim.flags = 0x7f;
inherit->lim.max_rfer = u64val;
inherit->lim.max_excl = u64val;
inherit->lim.rsv_rfer = u64val;
inherit->lim.rsv_excl = u64val;
vol_args_v2.qgroup_inherit = inherit;
printf("ioctl(-1, BTRFS_IOC_SNAP_CREATE_V2, ");
btrfs_print_vol_args_v2(&vol_args_v2, 1);
ioctl(-1, BTRFS_IOC_SNAP_CREATE_V2, &vol_args_v2);
printf(") = -1 EBADF (%m)\n");
printf("ioctl(-1, BTRFS_IOC_SUBVOL_CREATE_V2, ");
btrfs_print_vol_args_v2(&vol_args_v2, 1);
ioctl(-1, BTRFS_IOC_SUBVOL_CREATE_V2, &vol_args_v2);
printf(") = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_DEFAULT_SUBVOL, NULL);
printf("ioctl(-1, BTRFS_IOC_DEFAULT_SUBVOL, NULL) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_DEFAULT_SUBVOL, &u64val);
printf("ioctl(-1, BTRFS_IOC_DEFAULT_SUBVOL, [%"
PRIu64 "]) = -1 EBADF (%m)\n", u64val);
printf("ioctl(-1, BTRFS_IOC_SUBVOL_SETFLAGS, ");
printflags(btrfs_snap_flags_v2, vol_args_v2.flags,
"BTRFS_SUBVOL_???");
ioctl(-1, BTRFS_IOC_SUBVOL_SETFLAGS, &vol_args_v2.flags);
printf(") = -1 EBADF (%m)\n");
if (write_ok) {
struct btrfs_ioctl_vol_args_v2 args_passed;
/*
* Returns transid if flags & BTRFS_SUBVOL_CREATE_ASYNC
* - BTRFS_IOC_SNAP_CREATE_V2
* - BTRFS_IOC_SUBVOL_CREATE_V2
*/
int subvolfd;
strncpy(vol_args_v2.name, subvol_name,
sizeof(vol_args_v2.name));
vol_args_v2.flags = BTRFS_SUBVOL_CREATE_ASYNC;
vol_args_v2.size = 0;
vol_args_v2.qgroup_inherit = NULL;
args_passed = vol_args_v2;
printf("ioctl(%d, BTRFS_IOC_SUBVOL_CREATE_V2, ",
btrfs_test_dir_fd);
btrfs_print_vol_args_v2(&vol_args_v2, 1);
ioctl(btrfs_test_dir_fd, BTRFS_IOC_SUBVOL_CREATE_V2,
&args_passed);
printf(" => {transid=%" PRI__u64"}) = 0\n",
args_passed.transid);
subvolfd = openat(btrfs_test_dir_fd, subvol_name,
O_RDONLY|O_DIRECTORY);
if (subvolfd < 0)
perror_msg_and_fail("openat(%s) failed", subvol_name);
strncpy(vol_args_v2.name, long_subvol_name, BTRFS_NAME_LEN);
vol_args_v2.fd = subvolfd;
args_passed = vol_args_v2;
printf("ioctl(%d, BTRFS_IOC_SNAP_CREATE_V2, ",
btrfs_test_dir_fd);
btrfs_print_vol_args_v2(&args_passed, 1);
ioctl(btrfs_test_dir_fd, BTRFS_IOC_SNAP_CREATE_V2,
&args_passed);
printf(" => {transid=%" PRI__u64"}) = 0\n",
args_passed.transid);
/* This only works when mounted w/ -ouser_subvol_rm_allowed */
strncpy(vol_args.name, long_subvol_name, 255);
vol_args.name[255] = 0;
ioctl(btrfs_test_dir_fd, BTRFS_IOC_SNAP_DESTROY, &vol_args);
printf("ioctl(%d, BTRFS_IOC_SNAP_DESTROY, "
"{fd=%d, name=\"%.*s\"}) = 0\n",
btrfs_test_dir_fd, (int) vol_args.fd, 255, long_subvol_name);
strcpy(vol_args.name, subvol_name);
ioctl(btrfs_test_dir_fd, BTRFS_IOC_SNAP_DESTROY, &vol_args);
printf("ioctl(%d, BTRFS_IOC_SNAP_DESTROY, "
"{fd=%d, name=\"%s\"}) = 0\n",
btrfs_test_dir_fd, (int) vol_args.fd, subvol_name);
close(subvolfd);
}
free(long_subvol_name);
}
static void
btrfs_print_balance_args(struct btrfs_balance_args *args)
{
printf("{profiles=");
printflags(btrfs_space_info_flags, args->profiles,
"BTRFS_BLOCK_GROUP_???");
printf(", usage=%"PRI__u64 "%s, devid=%"PRI__u64 "%s, pstart=%"PRI__u64
"%s, pend=%"PRI__u64 "%s, vstart=%"PRI__u64 "%s, vend=%"PRI__u64
"%s, target=%"PRI__u64 "%s, flags=",
args->usage, maybe_print_uint64max(args->usage),
args->devid, maybe_print_uint64max(args->devid),
args->pstart, maybe_print_uint64max(args->pstart),
args->pend, maybe_print_uint64max(args->pend),
args->vstart, maybe_print_uint64max(args->vstart),
args->vend, maybe_print_uint64max(args->vend),
args->target, maybe_print_uint64max(args->target));
printflags(btrfs_balance_args, args->flags, "BTRFS_BALANCE_ARGS_???");
printf("}");
}
/*
* Accepts argument, returns nothing
* - BTRFS_IOC_BALANCE
* - BTRFS_IOC_BALANCE_CTL
*
* Accepts argument, returns argument
* - BTRFS_IOC_BALANCE_V2
*/
static void
btrfs_test_balance_ioctls(void)
{
struct btrfs_ioctl_balance_args args = {
.flags = 0x3f,
.data = {
.profiles = 0x7,
.flags = 0x7,
.devid = 1,
.pend = -1ULL,
.vend = -1ULL,
},
.meta = {
.profiles = 0x38,
.flags = 0x38,
.devid = 1,
},
.sys = {
.profiles = 0x1c0 | (1ULL << 48),
.flags = 0x4c0,
.devid = 1,
},
};
struct btrfs_ioctl_vol_args vol_args = {};
ioctl(-1, BTRFS_IOC_BALANCE_CTL, 1);
printf("ioctl(-1, BTRFS_IOC_BALANCE_CTL, "
"BTRFS_BALANCE_CTL_PAUSE) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_BALANCE_CTL, 2);
printf("ioctl(-1, BTRFS_IOC_BALANCE_CTL, "
"BTRFS_BALANCE_CTL_CANCEL) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_BALANCE, NULL);
printf("ioctl(-1, BTRFS_IOC_BALANCE) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_BALANCE, &vol_args);
printf("ioctl(-1, BTRFS_IOC_BALANCE) = -1 EBADF (%m)\n");
/* struct btrfs_ioctl_balance_args */
ioctl(-1, BTRFS_IOC_BALANCE_V2, NULL);
printf("ioctl(-1, BTRFS_IOC_BALANCE_V2, NULL) = -1 EBADF (%m)\n");
printf("ioctl(-1, BTRFS_IOC_BALANCE_V2, {flags=");
printflags(btrfs_balance_flags, args.flags, "BTRFS_BALANCE_???");
printf(", data=");
btrfs_print_balance_args(&args.data);
printf(", meta=");
btrfs_print_balance_args(&args.meta);
printf(", sys=");
btrfs_print_balance_args(&args.sys);
ioctl(-1, BTRFS_IOC_BALANCE_V2, &args);
printf("}) = -1 EBADF (%m)\n");
if (write_ok) {
args.flags = BTRFS_BALANCE_DATA | BTRFS_BALANCE_METADATA |
BTRFS_BALANCE_SYSTEM;
args.data.flags = 0;
args.data.profiles = 0;
args.meta.flags = 0;
args.meta.profiles = 0;
args.sys.flags = 0;
args.sys.profiles = 0;
printf("ioctl(%d, BTRFS_IOC_BALANCE_V2, {flags=",
btrfs_test_dir_fd);
printflags(btrfs_balance_flags, args.flags,
"BTRFS_BALANCE_???");
printf(", data=");
btrfs_print_balance_args(&args.data);
printf(", meta=");
btrfs_print_balance_args(&args.meta);
printf(", sys=");
btrfs_print_balance_args(&args.sys);
ioctl(btrfs_test_dir_fd, BTRFS_IOC_BALANCE_V2, &args);
printf("} => {flags=");
printflags(btrfs_balance_flags, args.flags,
"BTRFS_BALANCE_???");
printf(", state=");
printflags(btrfs_balance_state, args.state,
"BTRFS_BALANCE_STATE_???");
printf(", data=");
btrfs_print_balance_args(&args.data);
printf(", meta=");
btrfs_print_balance_args(&args.meta);
printf(", sys=");
btrfs_print_balance_args(&args.sys);
printf("}) = 0\n");
}
}
/*
* Consumes argument, returns nothing:
* - BTRFS_IOC_RESIZE
*
* Requires /dev/btrfs-control, consumes argument, returns nothing:
* - BTRFS_IOC_SCAN_DEV
* - BTRFS_IOC_DEVICES_READY
*
*/
static void
btrfs_test_device_ioctls(void)
{
const char *devid = "1";
const char *devname = "/dev/sda1";
struct btrfs_ioctl_vol_args args = {
.fd = 2,
};
ioctl(-1, BTRFS_IOC_RESIZE, NULL);
printf("ioctl(-1, BTRFS_IOC_RESIZE, NULL) = -1 EBADF (%m)\n");
strcpy(args.name, devid);
ioctl(-1, BTRFS_IOC_RESIZE, &args);
printf("ioctl(-1, BTRFS_IOC_RESIZE, "
"{fd=%d, name=\"%s\"}) = -1 EBADF (%m)\n",
(int) args.fd, args.name);
ioctl(-1, BTRFS_IOC_SCAN_DEV, NULL);
printf("ioctl(-1, BTRFS_IOC_SCAN_DEV, NULL) = -1 EBADF (%m)\n");
strcpy(args.name, devname);
ioctl(-1, BTRFS_IOC_SCAN_DEV, &args);
printf("ioctl(-1, BTRFS_IOC_SCAN_DEV, "
"{fd=%d, name=\"%s\"}) = -1 EBADF (%m)\n",
(int) args.fd, args.name);
ioctl(-1, BTRFS_IOC_ADD_DEV, NULL);
printf("ioctl(-1, BTRFS_IOC_ADD_DEV, NULL) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_ADD_DEV, &args);
printf("ioctl(-1, BTRFS_IOC_ADD_DEV, "
"{fd=%d, name=\"%s\"}) = -1 EBADF (%m)\n",
(int) args.fd, args.name);
ioctl(-1, BTRFS_IOC_RM_DEV, NULL);
printf("ioctl(-1, BTRFS_IOC_RM_DEV, NULL) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_RM_DEV, &args);
printf("ioctl(-1, BTRFS_IOC_RM_DEV, "
"{fd=%d, name=\"%s\"}) = -1 EBADF (%m)\n",
(int) args.fd, args.name);
}
/*
* Consumes argument, returns nothing:
* - BTRFS_IOC_CLONE
* - BTRFS_IOC_CLONE_RANGE
*/
static void
btrfs_test_clone_ioctls(void)
{
int clone_fd = 4;
struct btrfs_ioctl_clone_range_args args = {
.src_fd = clone_fd,
.src_offset = 4096,
.src_length = 16384,
.dest_offset = 128 * 1024,
};
ioctl(-1, BTRFS_IOC_CLONE, clone_fd);
printf("ioctl(-1, BTRFS_IOC_CLONE or FICLONE, %x) = -1 EBADF (%m)\n",
clone_fd);
ioctl(-1, BTRFS_IOC_CLONE_RANGE, NULL);
printf("ioctl(-1, BTRFS_IOC_CLONE_RANGE or FICLONERANGE, "
"NULL) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_CLONE_RANGE, &args);
printf("ioctl(-1, BTRFS_IOC_CLONE_RANGE or FICLONERANGE, "
"{src_fd=%d, src_offset=%" PRI__u64 ", src_length=%" PRI__u64
", dest_offset=%" PRI__u64 "}) = -1 EBADF (%m)\n",
(int) args.src_fd, args.src_offset, args.src_length,
args.dest_offset);
}
#define BTRFS_COMPRESS_TYPES 2
#define BTRFS_INVALID_COMPRESS (BTRFS_COMPRESS_TYPES + 1)
static void
btrfs_print_defrag_range_args(struct btrfs_ioctl_defrag_range_args *args)
{
printf("{start=%" PRIu64", len=%" PRIu64 "%s, flags=",
(uint64_t) args->start, (uint64_t) args->len,
maybe_print_uint64max(args->len));
printflags(btrfs_defrag_flags, args->flags, "BTRFS_DEFRAG_RANGE_???");
printf(", extent_thresh=%u, compress_type=", args->extent_thresh);
printxval(btrfs_compress_types, args->compress_type,
"BTRFS_COMPRESS_???");
printf("}");
}
/*
* Consumes argument, returns nothing:
* - BTRFS_IOC_DEFRAG
* - BTRFS_DEFRAG_RANGE
*/
static void
btrfs_test_defrag_ioctls(void)
{
struct btrfs_ioctl_vol_args vol_args = {};
struct btrfs_ioctl_defrag_range_args args = {
.start = 0,
.len = -1ULL,
.flags = max_flags_plus_one(1),
.extent_thresh = 128 * 1024,
.compress_type = 2, /* BTRFS_COMPRESS_LZO */
};
/*
* These are documented as using vol_args but don't
* actually consume it.
*/
ioctl(-1, BTRFS_IOC_DEFRAG, NULL);
printf("ioctl(-1, BTRFS_IOC_DEFRAG) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_DEFRAG, &vol_args);
printf("ioctl(-1, BTRFS_IOC_DEFRAG) = -1 EBADF (%m)\n");
/* struct btrfs_ioctl_defrag_range_args */
ioctl(-1, BTRFS_IOC_DEFRAG_RANGE, NULL);
printf("ioctl(-1, BTRFS_IOC_DEFRAG_RANGE, NULL) = -1 EBADF (%m)\n");
printf("ioctl(-1, BTRFS_IOC_DEFRAG_RANGE, ");
btrfs_print_defrag_range_args(&args);
ioctl(-1, BTRFS_IOC_DEFRAG_RANGE, &args);
printf(") = -1 EBADF (%m)\n");
args.compress_type = BTRFS_INVALID_COMPRESS;
printf("ioctl(-1, BTRFS_IOC_DEFRAG_RANGE, ");
btrfs_print_defrag_range_args(&args);
ioctl(-1, BTRFS_IOC_DEFRAG_RANGE, &args);
printf(") = -1 EBADF (%m)\n");
args.len--;
printf("ioctl(-1, BTRFS_IOC_DEFRAG_RANGE, ");
btrfs_print_defrag_range_args(&args);
ioctl(-1, BTRFS_IOC_DEFRAG_RANGE, &args);
printf(") = -1 EBADF (%m)\n");
}
static const char *
xlookup(const struct xlat *xlat, const uint64_t val)
{
for (; xlat->str != NULL; xlat++)
if (xlat->val == val)
return xlat->str;
return NULL;
}
static void
btrfs_print_objectid(uint64_t objectid)
{
const char *str = xlookup(btrfs_tree_objectids, objectid);
printf("%" PRIu64, objectid);
if (str)
printf(" /* %s */", str);
}
static void
btrfs_print_key_type(uint32_t type)
{
const char *str = xlookup(btrfs_key_types, type);
printf("%u", type);
if (str)
printf(" /* %s */", str);
}
static void
btrfs_print_search_key(struct btrfs_ioctl_search_key *key)
{
printf("key={tree_id=");
btrfs_print_objectid(key->tree_id);
if (verbose || key->min_objectid != 256) {
printf(", min_objectid=");
btrfs_print_objectid(key->min_objectid);
}
if (verbose || key->max_objectid != -256ULL) {
printf(", max_objectid=");
btrfs_print_objectid(key->max_objectid);
}
if (key->min_offset)
printf(", min_offset=%" PRI__u64 "%s",
key->min_offset, maybe_print_uint64max(key->min_offset));
if (key->max_offset)
printf(", max_offset=%" PRI__u64 "%s",
key->max_offset, maybe_print_uint64max(key->max_offset));
if (key->min_transid)
printf(", min_transid=%" PRI__u64"%s", key->min_transid,
maybe_print_uint64max(key->min_transid));
if (key->max_transid)
printf(", max_transid=%" PRI__u64"%s", key->max_transid,
maybe_print_uint64max(key->max_transid));
printf(", min_type=");
btrfs_print_key_type(key->min_type);
printf(", max_type=");
btrfs_print_key_type(key->max_type);
printf(", nr_items=%u}", key->nr_items);
}
static void
btrfs_print_tree_search_buf(struct btrfs_ioctl_search_key *key,
void *buf, uint64_t buf_size)
{
if (verbose) {
uint64_t i;
uint64_t off = 0;
printf("[");
for (i = 0; i < key->nr_items; i++) {
struct btrfs_ioctl_search_header *sh;
sh = (typeof(sh))(buf + off);
if (i)
printf(", ");
printf("{transid=%" PRI__u64 ", objectid=",
sh->transid);
btrfs_print_objectid(sh->objectid);
printf(", offset=%" PRI__u64 ", type=", sh->offset);
btrfs_print_key_type(sh->type);
printf(", len=%u}", sh->len);
off += sizeof(*sh) + sh->len;
}
printf("]");
} else
printf("...");
}
/*
* Consumes argument, returns argument:
* - BTRFS_IOC_TREE_SEARCH
* - BTRFS_IOC_TREE_SEARCH_V2
*/
static void
btrfs_test_search_ioctls(void)
{
struct btrfs_ioctl_search_key key_reference = {
.tree_id = 5,
.min_objectid = 256,
.max_objectid = -1ULL,
.min_offset = 0,
.max_offset = -1ULL,
.min_transid = 0,
.max_transid = -1ULL,
.min_type = 0,
.max_type = -1U,
.nr_items = 10,
};
struct btrfs_ioctl_search_args search_args;
struct btrfs_ioctl_search_args_v2 search_args_v2 = {
.buf_size = 4096,
};
ioctl(-1, BTRFS_IOC_TREE_SEARCH, NULL);
printf("ioctl(-1, BTRFS_IOC_TREE_SEARCH, NULL) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_TREE_SEARCH_V2, NULL);
printf("ioctl(-1, BTRFS_IOC_TREE_SEARCH_V2, NULL) = -1 EBADF (%m)\n");
search_args.key = key_reference;
printf("ioctl(-1, BTRFS_IOC_TREE_SEARCH, {");
btrfs_print_search_key(&search_args.key);
ioctl(-1, BTRFS_IOC_TREE_SEARCH, &search_args);
printf("}) = -1 EBADF (%m)\n");
search_args_v2.key = key_reference;
printf("ioctl(-1, BTRFS_IOC_TREE_SEARCH_V2, {");
btrfs_print_search_key(&search_args_v2.key);
ioctl(-1, BTRFS_IOC_TREE_SEARCH_V2, &search_args_v2);
printf(", buf_size=%" PRIu64 "}) = -1 EBADF (%m)\n",
(uint64_t)search_args_v2.buf_size);
key_reference.min_objectid = 6;
key_reference.max_objectid = 7;
search_args.key = key_reference;
printf("ioctl(-1, BTRFS_IOC_TREE_SEARCH, {");
btrfs_print_search_key(&search_args.key);
ioctl(-1, BTRFS_IOC_TREE_SEARCH, &search_args);
printf("}) = -1 EBADF (%m)\n");
search_args_v2.key = key_reference;
printf("ioctl(-1, BTRFS_IOC_TREE_SEARCH_V2, {");
btrfs_print_search_key(&search_args_v2.key);
ioctl(-1, BTRFS_IOC_TREE_SEARCH_V2, &search_args_v2);
printf(", buf_size=%" PRIu64 "}) = -1 EBADF (%m)\n",
(uint64_t)search_args_v2.buf_size);
key_reference.min_offset++;
key_reference.max_offset--;
search_args.key = key_reference;
printf("ioctl(-1, BTRFS_IOC_TREE_SEARCH, {");
btrfs_print_search_key(&search_args.key);
ioctl(-1, BTRFS_IOC_TREE_SEARCH, &search_args);
printf("}) = -1 EBADF (%m)\n");
search_args_v2.key = key_reference;
printf("ioctl(-1, BTRFS_IOC_TREE_SEARCH_V2, {");
btrfs_print_search_key(&search_args_v2.key);
ioctl(-1, BTRFS_IOC_TREE_SEARCH_V2, &search_args_v2);
printf(", buf_size=%" PRIu64 "}) = -1 EBADF (%m)\n",
(uint64_t)search_args_v2.buf_size);
key_reference.min_transid++;
key_reference.max_transid--;
search_args.key = key_reference;
printf("ioctl(-1, BTRFS_IOC_TREE_SEARCH, {");
btrfs_print_search_key(&search_args.key);
ioctl(-1, BTRFS_IOC_TREE_SEARCH, &search_args);
printf("}) = -1 EBADF (%m)\n");
search_args_v2.key = key_reference;
printf("ioctl(-1, BTRFS_IOC_TREE_SEARCH_V2, {");
btrfs_print_search_key(&search_args_v2.key);
ioctl(-1, BTRFS_IOC_TREE_SEARCH_V2, &search_args_v2);
printf(", buf_size=%" PRIu64 "}) = -1 EBADF (%m)\n",
(uint64_t)search_args_v2.buf_size);
key_reference.min_type = 1;
key_reference.max_type = 12;
search_args.key = key_reference;
printf("ioctl(-1, BTRFS_IOC_TREE_SEARCH, {");
btrfs_print_search_key(&search_args.key);
ioctl(-1, BTRFS_IOC_TREE_SEARCH, &search_args);
printf("}) = -1 EBADF (%m)\n");
search_args_v2.key = key_reference;
printf("ioctl(-1, BTRFS_IOC_TREE_SEARCH_V2, {");
btrfs_print_search_key(&search_args_v2.key);
ioctl(-1, BTRFS_IOC_TREE_SEARCH_V2, &search_args_v2);
printf(", buf_size=%" PRIu64 "}) = -1 EBADF (%m)\n",
(uint64_t)search_args_v2.buf_size);
if (btrfs_test_root) {
struct btrfs_ioctl_search_args_v2 *args;
int bufsize = 4096;
key_reference.tree_id = 5;
key_reference.min_type = 1;
key_reference.max_type = 1;
key_reference.min_objectid = 256;
key_reference.max_objectid = 357;
key_reference.min_offset = 0;
key_reference.max_offset = -1ULL;
search_args.key = key_reference;
printf("ioctl(%d, BTRFS_IOC_TREE_SEARCH, {",
btrfs_test_dir_fd);
btrfs_print_search_key(&search_args.key);
ioctl(btrfs_test_dir_fd, BTRFS_IOC_TREE_SEARCH, &search_args);
printf("} => {key={nr_items=%u}, buf=",
search_args.key.nr_items);
btrfs_print_tree_search_buf(&search_args.key, search_args.buf,
sizeof(search_args.buf));
printf("}) = 0\n");
args = malloc(sizeof(*args) + bufsize);
if (!args)
perror_msg_and_fail("malloc failed");
args->key = key_reference;
args->buf_size = bufsize;
printf("ioctl(%d, BTRFS_IOC_TREE_SEARCH_V2, {",
btrfs_test_dir_fd);
btrfs_print_search_key(&key_reference);
printf(", buf_size=%" PRIu64 "}", (uint64_t) args->buf_size);
ioctl(btrfs_test_dir_fd, BTRFS_IOC_TREE_SEARCH_V2, args);
printf(" => {key={nr_items=%u}, buf_size=%" PRIu64 ", buf=",
args->key.nr_items, (uint64_t)args->buf_size);
btrfs_print_tree_search_buf(&args->key, args->buf,
args->buf_size);
printf("}) = 0\n");
args->key = key_reference;
args->buf_size = sizeof(struct btrfs_ioctl_search_header);
printf("ioctl(%d, BTRFS_IOC_TREE_SEARCH_V2, {",
btrfs_test_dir_fd);
btrfs_print_search_key(&args->key);
printf(", buf_size=%" PRIu64 "}", (uint64_t)args->buf_size);
ioctl(btrfs_test_dir_fd, BTRFS_IOC_TREE_SEARCH_V2, args);
printf(" => {buf_size=%" PRIu64 "}) = -1 EOVERFLOW (%m)\n",
(uint64_t)args->buf_size);
free(args);
}
}
/*
* Consumes argument, returns argument:
* - BTRFS_IOC_INO_LOOKUP
*/
static void
btrfs_test_ino_lookup_ioctl(void)
{
struct btrfs_ioctl_ino_lookup_args args = {
.treeid = 5,
.objectid = 256,
};
ioctl(-1, BTRFS_IOC_INO_LOOKUP, NULL);
printf("ioctl(-1, BTRFS_IOC_INO_LOOKUP, NULL) = -1 EBADF (%m)\n");
printf("ioctl(-1, BTRFS_IOC_INO_LOOKUP, {treeid=");
btrfs_print_objectid(args.treeid);
printf(", objectid=");
btrfs_print_objectid(args.objectid);
ioctl(-1, BTRFS_IOC_INO_LOOKUP, &args);
printf("}) = -1 EBADF (%m)\n");
if (btrfs_test_root) {
printf("ioctl(%d, BTRFS_IOC_INO_LOOKUP, {treeid=",
btrfs_test_dir_fd);
btrfs_print_objectid(args.treeid);
printf(", objectid=");
btrfs_print_objectid(args.objectid);
ioctl(btrfs_test_dir_fd, BTRFS_IOC_INO_LOOKUP, &args);
printf("} => {name=\"%s\"}) = 0\n", args.name);
}
}
/*
* Consumes argument, returns argument:
* - BTRFS_IOC_SPACE_INFO
*/
static void
btrfs_test_space_info_ioctl(void)
{
struct btrfs_ioctl_space_args args = {};
ioctl(-1, BTRFS_IOC_SPACE_INFO, NULL);
printf("ioctl(-1, BTRFS_IOC_SPACE_INFO, NULL) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_SPACE_INFO, &args);
printf("ioctl(-1, BTRFS_IOC_SPACE_INFO, "
"{space_slots=%" PRI__u64 "}) = -1 EBADF (%m)\n",
args.space_slots);
if (btrfs_test_root) {
struct btrfs_ioctl_space_args args_passed;
struct btrfs_ioctl_space_args *argsp;
args_passed = args;
printf("ioctl(%d, BTRFS_IOC_SPACE_INFO, "
"{space_slots=%" PRI__u64 "}",
btrfs_test_dir_fd, args_passed.space_slots);
ioctl(btrfs_test_dir_fd, BTRFS_IOC_SPACE_INFO, &args_passed);
printf(" => {total_spaces=%" PRI__u64 "}) = 0\n",
args_passed.total_spaces);
argsp = malloc(sizeof(args) +
args_passed.total_spaces * sizeof(args.spaces[0]));
if (!argsp)
perror_msg_and_fail("malloc failed");
*argsp = args;
argsp->space_slots = args_passed.total_spaces;
printf("ioctl(%d, BTRFS_IOC_SPACE_INFO, "
"{space_slots=%" PRI__u64 "}",
btrfs_test_dir_fd, argsp->space_slots);
ioctl(btrfs_test_dir_fd, BTRFS_IOC_SPACE_INFO, argsp);
printf(" => {total_spaces=%" PRI__u64 ", spaces=",
argsp->total_spaces);
if (verbose) {
unsigned int i;
printf("[");
for (i = 0; i < argsp->total_spaces; i++) {
struct btrfs_ioctl_space_info *info;
info = &argsp->spaces[i];
if (i)
printf(", ");
printf("{flags=");
printflags(btrfs_space_info_flags, info->flags,
"BTRFS_SPACE_INFO_???");
printf(", total_bytes=%" PRI__u64
", used_bytes=%" PRI__u64 "}",
info->total_bytes, info->used_bytes);
}
printf("]");
} else
printf("...");
printf("}) = 0\n");
free(argsp);
}
}
/*
* Consumes no arguments, returns nothing:
* - BTRFS_IOC_SCRUB_CANCEL
* Consumes argument, returns argument:
- * BTRFS_IOC_SCRUB
- * BTRFS_IOC_SCRUB_PROGRESS
*/
static void
btrfs_test_scrub_ioctls(void)
{
struct btrfs_ioctl_scrub_args args = {
.devid = 1,
.start = 0,
.end = -1ULL,
.flags = max_flags_plus_one(0),
};
ioctl(-1, BTRFS_IOC_SCRUB, NULL);
printf("ioctl(-1, BTRFS_IOC_SCRUB, NULL) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_SCRUB_CANCEL, NULL);
printf("ioctl(-1, BTRFS_IOC_SCRUB_CANCEL) = -1 EBADF (%m)\n");
printf("ioctl(-1, BTRFS_IOC_SCRUB, {devid=%" PRI__u64 ", start=%"
PRI__u64 "%s, end=%" PRI__u64"%s, flags=",
args.devid, args.start, maybe_print_uint64max(args.start),
args.end, maybe_print_uint64max(args.end));
printflags(btrfs_scrub_flags, args.flags, "BTRFS_SCRUB_???");
ioctl(-1, BTRFS_IOC_SCRUB, &args);
printf("}) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_SCRUB_PROGRESS, NULL);
printf("ioctl(-1, BTRFS_IOC_SCRUB_PROGRESS, NULL) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_SCRUB_PROGRESS, &args);
printf("ioctl(-1, BTRFS_IOC_SCRUB_PROGRESS, "
"{devid=%" PRI__u64 "}) = -1 EBADF (%m)\n", args.devid);
}
/*
* Consumes argument, returns argument:
* - BTRFS_IOC_DEV_INFO
*/
static void
btrfs_test_dev_info_ioctl(void)
{
struct btrfs_ioctl_dev_info_args args = {
.devid = 1,
};
memcpy(&args.uuid, uuid_reference, BTRFS_UUID_SIZE);
ioctl(-1, BTRFS_IOC_DEV_INFO, NULL);
printf("ioctl(-1, BTRFS_IOC_DEV_INFO, NULL) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_DEV_INFO, &args);
printf("ioctl(-1, BTRFS_IOC_DEV_INFO, "
"{devid=%" PRI__u64", uuid=%s}) = -1 EBADF (%m)\n",
args.devid, uuid_reference_string);
}
/*
* Consumes argument, returns argument:
* - BTRFS_IOC_INO_PATHS
* - BTRFS_IOC_LOGICAL_INO
*/
static void
btrfs_test_ino_path_ioctls(void)
{
char buf[16384];
struct btrfs_ioctl_ino_path_args args = {
.inum = 256,
.size = sizeof(buf),
.fspath = (unsigned long)buf,
};
ioctl(-1, BTRFS_IOC_INO_PATHS, NULL);
printf("ioctl(-1, BTRFS_IOC_INO_PATHS, NULL) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_LOGICAL_INO, NULL);
printf("ioctl(-1, BTRFS_IOC_LOGICAL_INO, NULL) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_INO_PATHS, &args);
printf("ioctl(-1, BTRFS_IOC_INO_PATHS, "
"{inum=%" PRI__u64", size=%" PRI__u64
", fspath=0x%" PRI__x64 "}) = -1 EBADF (%m)\n",
args.inum, args.size, args.fspath);
ioctl(-1, BTRFS_IOC_LOGICAL_INO, &args);
printf("ioctl(-1, BTRFS_IOC_LOGICAL_INO, {logical=%" PRI__u64
", size=%" PRI__u64", inodes=0x%" PRI__x64
"}) = -1 EBADF (%m)\n", args.inum, args.size, args.fspath);
#ifdef HAVE_LINUX_FIEMAP_H
if (btrfs_test_root) {
int size;
struct stat si;
int ret;
struct btrfs_data_container *data = (void *)buf;
struct fiemap *fiemap;
int fd;
ret = fstat(btrfs_test_dir_fd, &si);
if (ret)
perror_msg_and_fail("fstat failed");
args.inum = si.st_ino;
printf("ioctl(%d, BTRFS_IOC_INO_PATHS, "
"{inum=%" PRI__u64", size=%" PRI__u64
", fspath=0x%" PRI__x64"}",
btrfs_test_dir_fd, args.inum, args.size,
args.fspath);
ioctl(btrfs_test_dir_fd, BTRFS_IOC_INO_PATHS, &args);
printf(" => {fspath={bytes_left=%u, bytes_missing=%u, elem_cnt=%u, elem_missed=%u, val=",
data->bytes_left, data->bytes_missing, data->elem_cnt,
data->elem_missed);
if (verbose) {
printf("[\"strace-test\"]");
} else
printf("...");
printf("}}) = 0\n");
fd = openat(btrfs_test_dir_fd, "file1", O_RDWR|O_CREAT, 0600);
if (fd < 0)
perror_msg_and_fail("openat(file1) failed");
ret = fstat(fd, &si);
if (ret)
perror_msg_and_fail("fstat failed");
if (write(fd, buf, sizeof(buf)) < 0)
perror_msg_and_fail("write: fd");
/*
* Force delalloc so we can actually
* search for the extent.
*/
fsync(fd);
ioctl(fd, BTRFS_IOC_SYNC, NULL);
printf("ioctl(%d, BTRFS_IOC_SYNC) = 0\n", fd);
size = sizeof(*fiemap) + 2 * sizeof(fiemap->fm_extents[0]);
fiemap = malloc(size);
if (!fiemap)
perror_msg_and_fail("malloc failed");
memset(fiemap, 0, size);
fiemap->fm_length = sizeof(buf);
fiemap->fm_extent_count = 2;
/* This is also a live test for FIEMAP */
printf("ioctl(%d, FS_IOC_FIEMAP, {fm_start=%" PRI__u64
", fm_length=%" PRI__u64", fm_flags=",
fd, fiemap->fm_start, fiemap->fm_length);
printflags(fiemap_flags, fiemap->fm_flags, "FIEMAP_FLAG_???");
printf(", fm_extent_count=%u}", fiemap->fm_extent_count);
ioctl(fd, FS_IOC_FIEMAP, fiemap);
printf(" => {fm_flags=");
printflags(fiemap_flags, fiemap->fm_flags, "FIEMAP_FLAG_???");
printf(", fm_mapped_extents=%u, fm_extents=",
fiemap->fm_mapped_extents);
if (verbose) {
printf("[");
unsigned int i;
for (i = 0; i < fiemap->fm_mapped_extents; i++) {
struct fiemap_extent *fe;
fe = &fiemap->fm_extents[i];
if (i)
printf(", ");
printf("{fe_logical=%" PRI__u64
", fe_physical=%" PRI__u64
", fe_length=%" PRI__u64
", ",
fe->fe_logical, fe->fe_physical,
fe->fe_length);
printflags(fiemap_extent_flags, fe->fe_flags,
"FIEMAP_EXTENT_???");
printf("}");
}
printf("]");
} else
printf("...");
printf("}) = 0\n");
args.inum = fiemap->fm_extents[0].fe_physical;
printf("ioctl(%d, BTRFS_IOC_LOGICAL_INO, {logical=%" PRI__u64
", size=%" PRI__u64", inodes=0x%" PRI__x64"}",
fd, args.inum, args.size, args.fspath);
ioctl(fd, BTRFS_IOC_LOGICAL_INO, &args);
printf(" => {inodes={bytes_left=%u, bytes_missing=%u, elem_cnt=%u, elem_missed=%u, val=",
data->bytes_left, data->bytes_missing, data->elem_cnt,
data->elem_missed);
if (verbose) {
printf("[{inum=%llu, offset=0, root=5}]",
(unsigned long long) si.st_ino);
} else
printf("...");
printf("}}) = 0\n");
close(fd);
free(fiemap);
}
#endif /* HAVE_LINUX_FIEMAP_H */
}
/*
* Consumes argument, returns argument:
* - BTRFS_IOC_SET_RECEIVED_SUBVOL
*/
static void
btrfs_test_set_received_subvol_ioctl(void)
{
struct btrfs_ioctl_received_subvol_args args = {
.stransid = 0x12345,
.stime = {
.sec = 1463193386,
.nsec = 12345,
},
};
memcpy(&args.uuid, uuid_reference, BTRFS_UUID_SIZE);
ioctl(-1, BTRFS_IOC_SET_RECEIVED_SUBVOL, NULL);
printf("ioctl(-1, BTRFS_IOC_SET_RECEIVED_SUBVOL, "
"NULL) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_SET_RECEIVED_SUBVOL, &args);
printf("ioctl(-1, BTRFS_IOC_SET_RECEIVED_SUBVOL, "
"{uuid=%s, stransid=%" PRI__u64", stime=%" PRI__u64
".%u, flags=0}) = -1 EBADF (%m)\n",
uuid_reference_string, args.stransid, args.stime.sec,
args.stime.nsec);
}
/*
* Consumes argument, returns nothing (output is via send_fd)
* - BTRFS_IOC_SEND
*/
static void
btrfs_test_send_ioctl(void)
{
uint64_t u64_array[2] = { 256, 257 };
struct btrfs_ioctl_send_args args = {
.send_fd = 4,
.parent_root = 257,
.flags = max_flags_plus_one(2),
};
ioctl(-1, BTRFS_IOC_SEND, NULL);
printf("ioctl(-1, BTRFS_IOC_SEND, NULL) = -1 EBADF (%m)\n");
printf("ioctl(-1, BTRFS_IOC_SEND, "
"{send_fd=%d, clone_sources_count=%" PRI__u64
", clone_sources=",
(int) args.send_fd, args.clone_sources_count);
if (verbose)
printf("NULL");
else
printf("...");
printf(", parent_root=");
btrfs_print_objectid(args.parent_root);
printf(", flags=");
printflags(btrfs_send_flags, args.flags, "BTRFS_SEND_FLAGS_???");
ioctl(-1, BTRFS_IOC_SEND, &args);
printf("}) = -1 EBADF (%m)\n");
args.clone_sources_count = 2;
args.clone_sources = (__u64 *) (void *) u64_array;
printf("ioctl(-1, BTRFS_IOC_SEND, "
"{send_fd=%d, clone_sources_count=%" PRI__u64
", clone_sources=",
(int) args.send_fd, args.clone_sources_count);
if (verbose) {
printf("[");
btrfs_print_objectid(u64_array[0]);
printf(", ");
btrfs_print_objectid(u64_array[1]);
printf("]");
} else
printf("...");
printf(", parent_root=");
btrfs_print_objectid(args.parent_root);
printf(", flags=");
printflags(btrfs_send_flags, args.flags, "BTRFS_SEND_FLAGS_???");
ioctl(-1, BTRFS_IOC_SEND, &args);
printf("}) = -1 EBADF (%m)\n");
}
/*
* Consumes argument, returns nothing:
* - BTRFS_IOC_QUOTA_CTL
*/
static void
btrfs_test_quota_ctl_ioctl(void)
{
struct btrfs_ioctl_quota_ctl_args args = {
.cmd = 1,
};
ioctl(-1, BTRFS_IOC_QUOTA_CTL, NULL);
printf("ioctl(-1, BTRFS_IOC_QUOTA_CTL, NULL) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_QUOTA_CTL, &args);
printf("ioctl(-1, BTRFS_IOC_QUOTA_CTL, "
"BTRFS_QUOTA_CTL_ENABLE}) = -1 EBADF (%m)\n");
args.cmd = 2;
ioctl(-1, BTRFS_IOC_QUOTA_CTL, &args);
printf("ioctl(-1, BTRFS_IOC_QUOTA_CTL, "
"BTRFS_QUOTA_CTL_DISABLE}) = -1 EBADF (%m)\n");
args.cmd = 3;
ioctl(-1, BTRFS_IOC_QUOTA_CTL, &args);
printf("ioctl(-1, BTRFS_IOC_QUOTA_CTL, "
"BTRFS_QUOTA_CTL_RESCAN__NOTUSED}) = -1 EBADF (%m)\n");
args.cmd = 4;
ioctl(-1, BTRFS_IOC_QUOTA_CTL, &args);
printf("ioctl(-1, BTRFS_IOC_QUOTA_CTL, "
"0x4 /* BTRFS_QUOTA_CTL_??? */}) = -1 EBADF (%m)\n");
}
/*
* Consumes argument, returns nothing:
* - BTRFS_IOC_QGROUP_ASSIGN
*/
static void
btrfs_test_qgroup_assign_ioctl(void)
{
struct btrfs_ioctl_qgroup_assign_args args = {
.assign = 1,
.src = 257,
.dst = 258,
};
ioctl(-1, BTRFS_IOC_QGROUP_ASSIGN, NULL);
printf("ioctl(-1, BTRFS_IOC_QGROUP_ASSIGN, NULL) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_QGROUP_ASSIGN, &args);
printf("ioctl(-1, BTRFS_IOC_QGROUP_ASSIGN, "
"{assign=%" PRI__u64", src=%" PRI__u64", dst=%" PRI__u64
"}) = -1 EBADF (%m)\n", args.assign, args.src, args.dst);
}
/*
* Consumes argument, returns nothing:
* - BTRFS_IOC_QGROUP_CREATE
*/
static void
btrfs_test_qgroup_create_ioctl(void)
{
struct btrfs_ioctl_qgroup_create_args args = {
.create = 1,
.qgroupid = 257,
};
ioctl(-1, BTRFS_IOC_QGROUP_CREATE, NULL);
printf("ioctl(-1, BTRFS_IOC_QGROUP_CREATE, NULL) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_QGROUP_CREATE, &args);
printf("ioctl(-1, BTRFS_IOC_QGROUP_CREATE, "
"{create=%" PRI__u64", qgroupid=%" PRI__u64
"}) = -1 EBADF (%m)\n", args.create, args.qgroupid);
}
/*
* Consumes nothing, returns nothing:
* - BTRFS_IOC_QUOTA_RESCAN_WAIT
* Consumes argument, returns nothing:
* - BTRFS_IOC_QUOTA_RESCAN
*/
static void
btrfs_test_quota_rescan_ioctl(void)
{
struct btrfs_ioctl_quota_rescan_args args = {
.progress = 1,
};
ioctl(-1, BTRFS_IOC_QUOTA_RESCAN, NULL);
printf("ioctl(-1, BTRFS_IOC_QUOTA_RESCAN, NULL) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_QUOTA_RESCAN, &args);
printf("ioctl(-1, BTRFS_IOC_QUOTA_RESCAN, "
"{flags=0}) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_QUOTA_RESCAN_WAIT, NULL);
printf("ioctl(-1, BTRFS_IOC_QUOTA_RESCAN_WAIT) = -1 EBADF (%m)\n");
}
/*
* Consumes argument, returns nothing:
* - BTRFS_IOC_SET_FSLABEL
*
* Consumes no argument, returns argument:
* - BTRFS_IOC_GET_FS_LABEL
*/
static void
btrfs_test_label_ioctls(void)
{
char label[BTRFS_LABEL_SIZE] = "btrfs-label";
ioctl(-1, BTRFS_IOC_SET_FSLABEL, NULL);
printf("ioctl(-1, BTRFS_IOC_SET_FSLABEL, NULL) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_SET_FSLABEL, label);
printf("ioctl(-1, BTRFS_IOC_SET_FSLABEL, \"%s\") = -1 EBADF (%m)\n",
label);
if (write_ok) {
ioctl(btrfs_test_dir_fd, BTRFS_IOC_SET_FSLABEL, label);
printf("ioctl(%d, BTRFS_IOC_SET_FSLABEL, \"%s\") = 0\n",
btrfs_test_dir_fd, label);
ioctl(btrfs_test_dir_fd, BTRFS_IOC_GET_FSLABEL, label);
printf("ioctl(%d, BTRFS_IOC_GET_FSLABEL, \"%s\") = 0\n",
btrfs_test_dir_fd, label);
}
}
/*
* Consumes argument, returns argument:
* - BTRFS_IOC_GET_DEV_STATS
*/
static void
btrfs_test_get_dev_stats_ioctl(void)
{
struct btrfs_ioctl_get_dev_stats args = {
.devid = 1,
.nr_items = 5,
.flags = max_flags_plus_one(0),
};
ioctl(-1, BTRFS_IOC_GET_DEV_STATS, NULL);
printf("ioctl(-1, BTRFS_IOC_GET_DEV_STATS, NULL) = -1 EBADF (%m)\n");
printf("ioctl(-1, BTRFS_IOC_GET_DEV_STATS, {devid=%" PRI__u64
", nr_items=%" PRI__u64", flags=",
args.devid, args.nr_items);
printflags(btrfs_dev_stats_flags, args.flags,
"BTRFS_DEV_STATS_???");
ioctl(-1, BTRFS_IOC_GET_DEV_STATS, &args);
printf("}) = -1 EBADF (%m)\n");
if (write_ok) {
unsigned int i;
args.flags = BTRFS_DEV_STATS_RESET;
printf("ioctl(%d, BTRFS_IOC_GET_DEV_STATS, {devid=%" PRI__u64
", nr_items=%" PRI__u64", flags=",
btrfs_test_dir_fd, args.devid, args.nr_items);
printflags(btrfs_dev_stats_flags, args.flags,
"BTRFS_DEV_STATS_???");
ioctl(btrfs_test_dir_fd, BTRFS_IOC_GET_DEV_STATS, &args);
printf("} => {nr_items=%" PRI__u64 ", flags=",
args.nr_items);
printflags(btrfs_dev_stats_flags, args.flags,
"BTRFS_DEV_STATS_???");
printf(", [");
for (i = 0; i < args.nr_items; i++) {
const char *name = xlookup(btrfs_dev_stats_values, i);
if (i)
printf(", ");
if (name)
printf("/* %s */ ", name);
printf("%" PRI__u64, args.values[i]);
}
printf("]}) = 0\n");
}
}
/*
* Consumes argument, returns argument:
* - BTRFS_IOC_DEV_REPLACE
*
* Test environment for this is more difficult; It's better to do it by hand.
*/
static void
btrfs_test_dev_replace_ioctl(void)
{
struct btrfs_ioctl_dev_replace_args args = {
.cmd = BTRFS_IOCTL_DEV_REPLACE_CMD_START,
};
args.start.srcdevid = 1;
strcpy((char *)args.start.srcdev_name, "/dev/sda1");
strcpy((char *)args.start.tgtdev_name, "/dev/sdb1");
/* struct btrfs_ioctl_dev_replace_args */
ioctl(-1, BTRFS_IOC_DEV_REPLACE, NULL);
printf("ioctl(-1, BTRFS_IOC_DEV_REPLACE, NULL) = -1 EBADF (%m)\n");
ioctl(-1, BTRFS_IOC_DEV_REPLACE, &args);
printf("ioctl(-1, BTRFS_IOC_DEV_REPLACE, "
"{cmd=BTRFS_IOCTL_DEV_REPLACE_CMD_START, start={srcdevid=%"
PRI__u64", cont_reading_from_srcdev_mode=%" PRI__u64
", srcdev_name=\"%s\", tgtdev_name=\"%s\"}}) = -1 EBADF (%m)\n",
args.start.srcdevid,
args.start.cont_reading_from_srcdev_mode,
(char *)args.start.srcdev_name,
(char *)args.start.tgtdev_name);
args.cmd = 1;
ioctl(-1, BTRFS_IOC_DEV_REPLACE, &args);
printf("ioctl(-1, BTRFS_IOC_DEV_REPLACE, "
"{cmd=BTRFS_IOCTL_DEV_REPLACE_CMD_STATUS}) = -1 EBADF (%m)\n");
}
static void
btrfs_test_extent_same_ioctl(void)
{
#ifdef BTRFS_IOC_FILE_EXTENT_SAME
struct file_dedupe_range args = {
.src_offset = 1024,
.src_length = 10240,
};
struct file_dedupe_range *argsp;
ioctl(-1, BTRFS_IOC_FILE_EXTENT_SAME, NULL);
printf("ioctl(-1, BTRFS_IOC_FILE_EXTENT_SAME or FIDEDUPERANGE, "
"NULL) = -1 EBADF (%m)\n");
printf("ioctl(-1, BTRFS_IOC_FILE_EXTENT_SAME or FIDEDUPERANGE, "
"{src_offset=%" PRIu64
", src_length=%" PRIu64
", dest_count=%hu, info=[]",
(uint64_t)args.src_offset,
(uint64_t)args.src_length, args.dest_count);
ioctl(-1, BTRFS_IOC_FILE_EXTENT_SAME, &args);
printf("}) = -1 EBADF (%m)\n");
argsp = malloc(sizeof(*argsp) + sizeof(argsp->info[0]) * 3);
if (!argsp)
perror_msg_and_fail("malloc failed");
memset(argsp, 0, sizeof(*argsp) + sizeof(argsp->info[0]) * 3);
*argsp = args;
argsp->dest_count = 3;
argsp->info[0].dest_fd = 2;
argsp->info[0].dest_offset = 0;
argsp->info[1].dest_fd = 2;
argsp->info[1].dest_offset = 10240;
argsp->info[2].dest_fd = 2;
argsp->info[2].dest_offset = 20480;
printf("ioctl(-1, BTRFS_IOC_FILE_EXTENT_SAME or FIDEDUPERANGE, "
"{src_offset=%" PRIu64
", src_length=%" PRIu64
", dest_count=%hu, info=",
(int64_t)argsp->src_offset,
(uint64_t)argsp->src_length, argsp->dest_count);
printf("[{dest_fd=%" PRId64 ", dest_offset=%" PRIu64
"}, {dest_fd=%" PRId64 ", dest_offset=%"PRIu64 "}",
(int64_t)argsp->info[0].dest_fd,
(uint64_t)argsp->info[0].dest_offset,
(int64_t)argsp->info[1].dest_fd,
(uint64_t)argsp->info[1].dest_offset);
if (verbose)
printf(", {dest_fd=%" PRId64 ", dest_offset=%" PRIu64 "}",
(int64_t)argsp->info[2].dest_fd,
(uint64_t)argsp->info[2].dest_offset);
else
printf(", ...");
printf("]");
ioctl(-1, BTRFS_IOC_FILE_EXTENT_SAME, argsp);
printf("}) = -1 EBADF (%m)\n");
if (write_ok) {
int fd1, fd2;
char buf[16384];
memset(buf, 0, sizeof(buf));
fd1 = openat(btrfs_test_dir_fd, "file1", O_RDWR|O_CREAT, 0600);
if (fd1 < 0)
perror_msg_and_fail("open file1 failed");
fd2 = openat(btrfs_test_dir_fd, "file2", O_RDWR|O_CREAT, 0600);
if (fd2 < 0)
perror_msg_and_fail("open file2 failed");
if (write(fd1, buf, sizeof(buf)) < 0)
perror_msg_and_fail("write: fd1");
if (write(fd1, buf, sizeof(buf)) < 0)
perror_msg_and_fail("write: fd1");
if (write(fd2, buf, sizeof(buf)) < 0)
perror_msg_and_fail("write: fd2");
if (write(fd2, buf, sizeof(buf)) < 0)
perror_msg_and_fail("write: fd2");
close(fd2);
fd2 = openat(btrfs_test_dir_fd, "file2", O_RDONLY);
if (fd2 < 0)
perror_msg_and_fail("open file2 failed");
memset(argsp, 0, sizeof(*argsp) + sizeof(argsp->info[0]) * 3);
argsp->src_offset = 0;
argsp->src_length = 4096;
argsp->dest_count = 3;
argsp->info[0].dest_fd = fd2;
argsp->info[0].dest_offset = 0;
argsp->info[1].dest_fd = fd2;
argsp->info[1].dest_offset = 10240;
argsp->info[2].dest_fd = fd2;
argsp->info[2].dest_offset = 20480;
printf("ioctl(%d, BTRFS_IOC_FILE_EXTENT_SAME or FIDEDUPERANGE, "
"{src_offset=%" PRIu64 ", src_length=%" PRIu64
", dest_count=%hu, info=", fd1,
(uint64_t)argsp->src_offset,
(uint64_t)argsp->src_length, argsp->dest_count);
printf("[{dest_fd=%" PRId64 ", dest_offset=%" PRIu64
"}, {dest_fd=%" PRId64 ", dest_offset=%"PRIu64 "}",
(int64_t)argsp->info[0].dest_fd,
(uint64_t)argsp->info[0].dest_offset,
(int64_t)argsp->info[1].dest_fd,
(uint64_t)argsp->info[1].dest_offset);
if (verbose)
printf(", {dest_fd=%" PRId64
", dest_offset=%" PRIu64 "}",
(int64_t)argsp->info[2].dest_fd,
(uint64_t)argsp->info[2].dest_offset);
else
printf(", ...");
ioctl(fd1, BTRFS_IOC_FILE_EXTENT_SAME, argsp);
printf("]} => {info=");
printf("[{bytes_deduped=%" PRIu64 ", status=%d}, "
"{bytes_deduped=%" PRIu64 ", status=%d}",
(uint64_t)argsp->info[0].bytes_deduped,
argsp->info[0].status,
(uint64_t)argsp->info[1].bytes_deduped,
argsp->info[1].status);
if (verbose)
printf(", {bytes_deduped=%" PRIu64 ", status=%d}",
(uint64_t)argsp->info[2].bytes_deduped,
argsp->info[2].status);
else
printf(", ...");
printf("]}) = 0\n");
close(fd1);
close(fd2);
unlinkat(btrfs_test_dir_fd, "file1", 0);
unlinkat(btrfs_test_dir_fd, "file2", 0);
close(fd1);
close(fd2);
}
free(argsp);
#endif /* BTRFS_IOC_FILE_EXTENT_SAME */
}
static void
btrfs_print_features(struct btrfs_ioctl_feature_flags *flags)
{
printf("{compat_flags=");
printflags(btrfs_features_compat, flags->compat_flags,
"BTRFS_FEATURE_COMPAT_???");
printf(", compat_ro_flags=");
printflags(btrfs_features_compat_ro, flags->compat_ro_flags,
"BTRFS_FEATURE_COMPAT_RO_???");
printf(", incompat_flags=");
printflags(btrfs_features_incompat, flags->incompat_flags,
"BTRFS_FEATURE_INCOMPAT_???");
printf("}");
}
/*
* Consumes argument, returns nothing:
* - BTRFS_IOC_SET_FEATURES
*
* Consumes nothing, returns argument:
* - BTRFS_IOC_GET_FEATURES
* - BTRFS_IOC_GET_SUPPORTED_FEATURES
*/
static void
btrfs_test_features_ioctls(void)
{
struct btrfs_ioctl_feature_flags args[2] = {
{
.compat_flags = max_flags_plus_one(-1),
.incompat_flags = max_flags_plus_one(9),
.compat_ro_flags = max_flags_plus_one(0),
}, {
.compat_flags = max_flags_plus_one(-1),
.incompat_flags = max_flags_plus_one(9),
.compat_ro_flags = max_flags_plus_one(0),
},
};
struct btrfs_ioctl_feature_flags supported_features[3];
ioctl(-1, BTRFS_IOC_SET_FEATURES, NULL);
printf("ioctl(-1, BTRFS_IOC_SET_FEATURES, NULL) = -1 EBADF (%m)\n");
printf("ioctl(-1, BTRFS_IOC_SET_FEATURES, [");
btrfs_print_features(&args[0]);
printf(", ");
btrfs_print_features(&args[1]);
ioctl(-1, BTRFS_IOC_SET_FEATURES, &args);
printf("]) = -1 EBADF (%m)\n");
if (btrfs_test_root) {
printf("ioctl(%d, BTRFS_IOC_GET_FEATURES, ",
btrfs_test_dir_fd);
ioctl(btrfs_test_dir_fd, BTRFS_IOC_GET_FEATURES,
&supported_features);
btrfs_print_features(&supported_features[0]);
printf(") = 0\n");
ioctl(btrfs_test_dir_fd, BTRFS_IOC_GET_SUPPORTED_FEATURES,
&supported_features);
printf("ioctl(%d, BTRFS_IOC_GET_SUPPORTED_FEATURES, ",
btrfs_test_dir_fd);
printf("[ /* supported */ ");
btrfs_print_features(&supported_features[0]);
printf(", /* safe to set */ ");
btrfs_print_features(&supported_features[1]);
printf(", /* safe to clear */ ");
btrfs_print_features(&supported_features[2]);
printf("]) = 0\n");
}
}
static void
btrfs_test_read_ioctls(void)
{
static const struct xlat btrfs_read_cmd[] = {
XLAT(BTRFS_IOC_BALANCE_PROGRESS),
XLAT(BTRFS_IOC_FS_INFO),
XLAT(BTRFS_IOC_GET_FEATURES),
XLAT(BTRFS_IOC_GET_FSLABEL),
XLAT(BTRFS_IOC_GET_SUPPORTED_FEATURES),
XLAT(BTRFS_IOC_QGROUP_LIMIT),
XLAT(BTRFS_IOC_QUOTA_RESCAN_STATUS),
XLAT(BTRFS_IOC_START_SYNC),
XLAT(BTRFS_IOC_SUBVOL_GETFLAGS),
};
unsigned int i;
for (i = 0; i < ARRAY_SIZE(btrfs_read_cmd); ++i) {
ioctl(-1, (unsigned long) btrfs_read_cmd[i].val, 0);
printf("ioctl(-1, %s, NULL) = -1 EBADF (%m)\n", btrfs_read_cmd[i].str);
}
}
int
main(int argc, char *argv[])
{
int opt;
int ret;
const char *path;
while ((opt = getopt(argc, argv, "wv")) != -1) {
switch (opt) {
case 'v':
/*
* These tests are incomplete, especially when
* printing arrays of objects are involved.
*/
verbose = true;
break;
case 'w':
write_ok = true;
break;
default:
error_msg_and_fail("usage: btrfs [-v] [-w] [path]");
}
}
/*
* This will enable optional tests that require a valid file descriptor
*/
if (optind < argc) {
int rootfd;
struct statfs sfi;
path = argv[optind];
ret = statfs(path, &sfi);
if (ret)
perror_msg_and_fail("statfs(%s) failed", path);
if ((unsigned) sfi.f_type != BTRFS_SUPER_MAGIC)
error_msg_and_fail("%s is not a btrfs file system",
path);
btrfs_test_root = path;
rootfd = open(path, O_RDONLY|O_DIRECTORY);
if (rootfd < 0)
perror_msg_and_fail("open(%s) failed", path);
ret = mkdirat(rootfd, "strace-test", 0755);
if (ret < 0 && errno != EEXIST)
perror_msg_and_fail("mkdirat(strace-test) failed");
btrfs_test_dir_fd = openat(rootfd, "strace-test",
O_RDONLY|O_DIRECTORY);
if (btrfs_test_dir_fd < 0)
perror_msg_and_fail("openat(strace-test) failed");
close(rootfd);
} else
write_ok = false;
if (btrfs_test_root) {
fprintf(stderr, "Testing live ioctls on %s (%s)\n",
btrfs_test_root, write_ok ? "read/write" : "read only");
}
btrfs_test_read_ioctls();
btrfs_test_trans_ioctls();
btrfs_test_sync_ioctls();
btrfs_test_subvol_ioctls();
btrfs_test_balance_ioctls();
btrfs_test_device_ioctls();
btrfs_test_clone_ioctls();
btrfs_test_defrag_ioctls();
btrfs_test_search_ioctls();
btrfs_test_ino_lookup_ioctl();
btrfs_test_space_info_ioctl();
btrfs_test_scrub_ioctls();
btrfs_test_dev_info_ioctl();
btrfs_test_ino_path_ioctls();
btrfs_test_set_received_subvol_ioctl();
btrfs_test_send_ioctl();
btrfs_test_quota_ctl_ioctl();
btrfs_test_qgroup_assign_ioctl();
btrfs_test_qgroup_create_ioctl();
btrfs_test_quota_rescan_ioctl();
btrfs_test_label_ioctls();
btrfs_test_get_dev_stats_ioctl();
btrfs_test_dev_replace_ioctl();
btrfs_test_extent_same_ioctl();
btrfs_test_features_ioctls();
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("HAVE_LINUX_BTRFS_H")
#endif