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btrfs-progs: device scan: update error messages 

Use the errno an %m pattern, update wording.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2019-03-01 17:14:48 +01:00
parent cec1472792
commit aa4e8cbba2
1 changed files with 10 additions and 8 deletions
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18
cmds-device.c
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@ -334,15 +334,17 @@ static int cmd_device_scan(int argc, char **argv)
if (all || argc - optind == 0) {
if (forget) {
ret = btrfs_forget_devices(NULL);
error_on(ret, "'%s', forget failed",
strerror(-ret));
if (ret < 0) {
errno = -ret;
error("cannot unregister devices: %m");
}
} else {
printf("Scanning for Btrfs filesystems\n");
ret = btrfs_scan_devices();
error_on(ret, "error %d while scanning", ret);
ret = btrfs_register_all_devices();
error_on(ret,
"there are %d errors while registering devices",
"there were %d errors while registering devices",
ret);
}
goto out;
@ -364,12 +366,12 @@ static int cmd_device_scan(int argc, char **argv)
}
if (forget) {
ret = btrfs_forget_devices(path);
if (ret)
error("Can't forget '%s': %s",
path, strerror(-ret));
if (ret < 0) {
errno = -ret;
error("cannot unregister device '%s': %m", path);
}
} else {
printf("Scanning for Btrfs filesystems in '%s'\n",
path);
printf("Scanning for btrfs filesystems on '%s'\n", path);
if (btrfs_register_one_device(path) != 0) {
ret = 1;
free(path);