#include "disk-io.h"
#include "commands.h"
+#include "help.h"
static const char * const scrub_cmd_group_usage[] = {
"btrfs scrub <command> [options] <path>|<device>",
printf("\tlast_physical: %lld\n", sp->last_physical);
}
-#define ERR(test, ...) do { \
- if (test) \
- fprintf(stderr, __VA_ARGS__); \
-} while (0)
-
#define PRINT_SCRUB_ERROR(test, desc) do { \
if (test) \
printf(" %s=%llu", desc, test); \
/*
* returns 0 if the key did not match (nothing was read)
* 1 if the key did match (success)
- * -1 if the key did match and an error occured
+ * -1 if the key did match and an error occurred
*/
static int scrub_kvread(int *i, int len, int avail, const char *buf,
const char *key, u64 *dest)
#define _SCRUB_INVALID do { \
if (report_errors) \
- fprintf(stderr, "WARNING: invalid data in line %d pos " \
- "%d state %d (near \"%.*s\") at %s:%d\n", \
+ warning("invalid data on line %d pos " \
+ "%d state %d (near \"%.*s\") at %s:%d", \
lineno, i, state, 20 > avail ? avail : 20, \
l + i, __FILE__, __LINE__); \
goto skip; \
{
int avail = 0;
int old_avail = 0;
- char l[16 * 1024];
+ char l[SZ_16K];
int state = 0;
int curr = -1;
int i = 0;
again:
old_avail = avail - i;
- BUG_ON(old_avail < 0);
+ if (old_avail < 0) {
+ error("scrub record file corrupted near byte %d", i);
+ return ERR_PTR(-EINVAL);
+ }
if (old_avail)
memmove(l, l + i, old_avail);
avail = read(fd, l + old_avail, sizeof(l) - old_avail);
} while (i < avail);
continue;
}
- BUG();
+ error("internal error: unknown parser state %d near byte %d",
+ state, i);
+ return ERR_PTR(-EINVAL);
}
goto again;
}
IOPRIO_PRIO_VALUE(sp->ioprio_class,
sp->ioprio_classdata));
if (ret)
- fprintf(stderr,
- "WARNING: setting ioprio failed: %s (ignored).\n",
+ warning("setting ioprio failed: %s (ignored)",
strerror(errno));
ret = ioctl(sp->fd, BTRFS_IOC_SCRUB, &sp->scrub_args);
int force = 0;
int nothing_to_resume = 0;
- optind = 1;
while ((c = getopt(argc, argv, "BdqrRc:n:f")) != -1) {
switch (c) {
case 'B':
do_print = 0;
if (mkdir_p(datafile)) {
- ERR(!do_quiet, "WARNING: cannot create scrub data "
- "file, mkdir %s failed: %s. Status recording "
- "disabled\n", datafile, strerror(errno));
+ warning_on(!do_quiet,
+ "cannot create scrub data file, mkdir %s failed: %s. Status recording disabled",
+ datafile, strerror(errno));
do_record = 0;
}
free(datafile);
path = argv[optind];
- fdmnt = open_path_or_dev_mnt(path, &dirstream);
-
- if (fdmnt < 0) {
- if (errno == EINVAL)
- ERR(!do_quiet,
- "ERROR: '%s' is not a mounted btrfs device\n",
- path);
- else
- ERR(!do_quiet, "ERROR: can't access '%s': %s\n",
- path, strerror(errno));
+ fdmnt = open_path_or_dev_mnt(path, &dirstream, !do_quiet);
+ if (fdmnt < 0)
return 1;
- }
ret = get_fs_info(path, &fi_args, &di_args);
if (ret) {
- ERR(!do_quiet, "ERROR: getting dev info for scrub failed: "
- "%s\n", strerror(-ret));
+ error_on(!do_quiet,
+ "getting dev info for scrub failed: %s",
+ strerror(-ret));
err = 1;
goto out;
}
if (!fi_args.num_devices) {
- ERR(!do_quiet, "ERROR: no devices found\n");
+ error_on(!do_quiet, "no devices found");
err = 1;
goto out;
}
uuid_unparse(fi_args.fsid, fsid);
fdres = scrub_open_file_r(SCRUB_DATA_FILE, fsid);
if (fdres < 0 && fdres != -ENOENT) {
- ERR(!do_quiet, "WARNING: failed to open status file: "
- "%s\n", strerror(-fdres));
+ warning_on(!do_quiet, "failed to open status file: %s",
+ strerror(-fdres));
} else if (fdres >= 0) {
past_scrubs = scrub_read_file(fdres, !do_quiet);
if (IS_ERR(past_scrubs))
- ERR(!do_quiet, "WARNING: failed to read status file: "
- "%s\n", strerror(-PTR_ERR(past_scrubs)));
+ warning_on(!do_quiet, "failed to read status file: %s",
+ strerror(-PTR_ERR(past_scrubs)));
close(fdres);
}
* single devices, there is no reason to prevent this.
*/
if (!force && is_scrub_running_on_fs(&fi_args, di_args, past_scrubs)) {
- ERR(!do_quiet,
- "ERROR: scrub is already running.\n"
- "To cancel use 'btrfs scrub cancel %s'.\n"
- "To see the status use 'btrfs scrub status [-d] %s'.\n",
- path, path);
+ error_on(!do_quiet,
+ "Scrub is already running.\n"
+ "To cancel use 'btrfs scrub cancel %s'.\n"
+ "To see the status use 'btrfs scrub status [-d] %s'",
+ path, path);
err = 1;
goto out;
}
spc.progress = calloc(fi_args.num_devices * 2, sizeof(*spc.progress));
if (!t_devs || !sp || !spc.progress) {
- ERR(!do_quiet, "ERROR: scrub failed: %s", strerror(errno));
+ error_on(!do_quiet, "scrub failed: %s", strerror(errno));
err = 1;
goto out;
}
devid = di_args[i].devid;
ret = pthread_mutex_init(&sp[i].progress_mutex, NULL);
if (ret) {
- ERR(!do_quiet, "ERROR: pthread_mutex_init failed: "
- "%s\n", strerror(ret));
+ error_on(!do_quiet, "pthread_mutex_init failed: %s",
+ strerror(ret));
err = 1;
goto out;
}
ret = connect(prg_fd, (struct sockaddr *)&addr, sizeof(addr));
if (!ret || errno != ECONNREFUSED) {
/* ... yes, so scrub must be running. error out */
- fprintf(stderr, "ERROR: scrub already running\n");
+ error("scrub already running");
close(prg_fd);
prg_fd = -1;
goto out;
if (ret != -1)
ret = listen(prg_fd, 100);
if (ret == -1) {
- ERR(!do_quiet, "WARNING: failed to open the progress status "
- "socket at %s: %s. Progress cannot be queried\n",
- sock_path[0] ? sock_path : SCRUB_PROGRESS_SOCKET_PATH,
- strerror(errno));
+ warning_on(!do_quiet,
+ "failed to open the progress status socket at %s: %s. Progress cannot be queried",
+ sock_path[0] ? sock_path :
+ SCRUB_PROGRESS_SOCKET_PATH, strerror(errno));
if (prg_fd != -1) {
close(prg_fd);
prg_fd = -1;
ret = scrub_write_progress(&spc_write_mutex, fsid, sp,
fi_args.num_devices);
if (ret) {
- ERR(!do_quiet, "WARNING: failed to write the progress "
- "status file: %s. Status recording disabled\n",
- strerror(-ret));
+ warning_on(!do_quiet,
+ "failed to write the progress status file: %s. Status recording disabled",
+ strerror(-ret));
do_record = 0;
}
}
if (do_background) {
pid = fork();
if (pid == -1) {
- ERR(!do_quiet, "ERROR: cannot scrub, fork failed: "
- "%s\n", strerror(errno));
+ error_on(!do_quiet, "cannot scrub, fork failed: %s",
+ strerror(errno));
err = 1;
goto out;
}
}
ret = wait(&stat);
if (ret != pid) {
- ERR(!do_quiet, "ERROR: wait failed: (ret=%d) "
- "%s\n", ret, strerror(errno));
+ error_on(!do_quiet, "wait failed (ret=%d): %s",
+ ret, strerror(errno));
err = 1;
goto out;
}
if (!WIFEXITED(stat) || WEXITSTATUS(stat)) {
- ERR(!do_quiet, "ERROR: scrub process failed\n");
+ error_on(!do_quiet, "scrub process failed");
err = WIFEXITED(stat) ? WEXITSTATUS(stat) : -1;
goto out;
}
scrub_one_dev, &sp[i]);
if (ret) {
if (do_print)
- fprintf(stderr, "ERROR: creating "
- "scrub_one_dev[%llu] thread failed: "
- "%s\n", devid, strerror(ret));
+ error("creating scrub_one_dev[%llu] thread failed: %s",
+ devid, strerror(ret));
err = 1;
goto out;
}
ret = pthread_create(&t_prog, NULL, scrub_progress_cycle, &spc);
if (ret) {
if (do_print)
- fprintf(stderr, "ERROR: creating progress thread "
- "failed: %s\n", strerror(ret));
+ error("creating progress thread failed: %s",
+ strerror(ret));
err = 1;
goto out;
}
ret = pthread_join(t_devs[i], NULL);
if (ret) {
if (do_print)
- fprintf(stderr, "ERROR: pthread_join failed "
- "for scrub_one_dev[%llu]: %s\n", devid,
- strerror(ret));
+ error("pthread_join failed for scrub_one_dev[%llu]: %s",
+ devid, strerror(ret));
++err;
continue;
}
switch (sp[i].ioctl_errno) {
case ENODEV:
if (do_print)
- fprintf(stderr,
- "WARNING: device %lld not present\n",
- devid);
+ warning("device %lld not present",
+ devid);
continue;
case ECANCELED:
++err;
break;
default:
if (do_print)
- fprintf(stderr,
- "ERROR: scrubbing %s failed for device id %lld (%s)\n",
- path, devid,
- strerror(sp[i].ioctl_errno));
+ error("scrubbing %s failed for device id %lld: ret=%d, errno=%d (%s)",
+ path, devid,
+ sp[i].ret, sp[i].ioctl_errno,
+ strerror(sp[i].ioctl_errno));
++err;
continue;
}
/* check for errors from the handling of the progress thread */
if (do_print && ret) {
- fprintf(stderr, "ERROR: progress thread handling failed: %s\n",
+ error("progress thread handling failed: %s",
strerror(ret));
}
/* check for errors returned from the progress thread itself */
- if (do_print && terr && terr != PTHREAD_CANCELED) {
- fprintf(stderr, "ERROR: recording progress "
- "failed: %s\n", strerror(-PTR_ERR(terr)));
- }
+ if (do_print && terr && terr != PTHREAD_CANCELED)
+ error("recording progress failed: %s",
+ strerror(-PTR_ERR(terr)));
if (do_record) {
ret = scrub_write_progress(&spc_write_mutex, fsid, sp,
fi_args.num_devices);
- if (ret && do_print) {
- fprintf(stderr, "ERROR: failed to record the result: "
- "%s\n", strerror(-ret));
- }
+ if (ret && do_print)
+ error("failed to record the result: %s",
+ strerror(-ret));
}
scrub_handle_sigint_child(-1);
if (nothing_to_resume)
return 2;
if (e_uncorrectable) {
- ERR(!do_quiet, "ERROR: There are uncorrectable errors.\n");
+ error_on(!do_quiet, "there are uncorrectable errors");
return 3;
}
if (e_correctable)
- ERR(!do_quiet, "WARNING: errors detected during scrubbing, corrected.\n");
+ warning_on(!do_quiet,
+ "errors detected during scrubbing, corrected");
return 0;
}
int fdmnt = -1;
DIR *dirstream = NULL;
- if (check_argc_exact(argc, 2))
+ clean_args_no_options(argc, argv, cmd_scrub_cancel_usage);
+
+ if (check_argc_exact(argc - optind, 1))
usage(cmd_scrub_cancel_usage);
- path = argv[1];
+ path = argv[optind];
- fdmnt = open_path_or_dev_mnt(path, &dirstream);
+ fdmnt = open_path_or_dev_mnt(path, &dirstream, 1);
if (fdmnt < 0) {
- if (errno == EINVAL)
- fprintf(stderr,
- "ERROR: '%s' is not a mounted btrfs device\n",
- path);
- else
- fprintf(stderr, "ERROR: can't access '%s': %s\n",
- path, strerror(errno));
ret = 1;
goto out;
}
ret = ioctl(fdmnt, BTRFS_IOC_SCRUB_CANCEL, NULL);
if (ret < 0) {
- fprintf(stderr, "ERROR: scrub cancel failed on %s: %s\n", path,
+ error("scrub cancel failed on %s: %s", path,
errno == ENOTCONN ? "not running" : strerror(errno));
if (errno == ENOTCONN)
ret = 2;
int err = 0;
DIR *dirstream = NULL;
- optind = 1;
while ((c = getopt(argc, argv, "dR")) != -1) {
switch (c) {
case 'd':
path = argv[optind];
- fdmnt = open_path_or_dev_mnt(path, &dirstream);
-
- if (fdmnt < 0) {
- if (errno == EINVAL)
- fprintf(stderr,
- "ERROR: '%s' is not a mounted btrfs device\n",
- path);
- else
- fprintf(stderr, "ERROR: can't access '%s': %s\n",
- path, strerror(errno));
+ fdmnt = open_path_or_dev_mnt(path, &dirstream, 1);
+ if (fdmnt < 0)
return 1;
- }
ret = get_fs_info(path, &fi_args, &di_args);
if (ret) {
- fprintf(stderr, "ERROR: getting dev info for scrub failed: "
- "%s\n", strerror(-ret));
+ error("getting dev info for scrub failed: %s",
+ strerror(-ret));
err = 1;
goto out;
}
if (!fi_args.num_devices) {
- fprintf(stderr, "ERROR: no devices found\n");
+ error("no devices found");
err = 1;
goto out;
}
fdres = socket(AF_UNIX, SOCK_STREAM, 0);
if (fdres == -1) {
- fprintf(stderr, "ERROR: failed to create socket to "
- "receive progress information: %s\n",
+ error("failed to create socket to receive progress information: %s",
strerror(errno));
err = 1;
goto out;
close(fdres);
fdres = scrub_open_file_r(SCRUB_DATA_FILE, fsid);
if (fdres < 0 && fdres != -ENOENT) {
- fprintf(stderr, "WARNING: failed to open status file: "
- "%s\n", strerror(-fdres));
+ warning("failed to open status file: %s",
+ strerror(-fdres));
err = 1;
goto out;
}
if (fdres >= 0) {
past_scrubs = scrub_read_file(fdres, 1);
if (IS_ERR(past_scrubs))
- fprintf(stderr, "WARNING: failed to read status: %s\n",
+ warning("failed to read status: %s",
strerror(-PTR_ERR(past_scrubs)));
}
in_progress = is_scrub_running_in_kernel(fdmnt, di_args, fi_args.num_devices);