btrfs-progs: balance: cleanup, switch to common exit block

Call close_file_or_dir at the end of the function and replace returns by
gotos to the exit block.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2016-07-13 19:00:01 +02:00
parent c3e1703005
commit 6146dc04b2

View File

@ -657,18 +657,18 @@ static int cmd_balance_pause(int argc, char **argv)
ret = ioctl(fd, BTRFS_IOC_BALANCE_CTL, BTRFS_BALANCE_CTL_PAUSE);
e = errno;
close_file_or_dir(fd, dirstream);
if (ret < 0) {
error("balance pause on '%s' failed: %s", path,
(e == ENOTCONN) ? "Not running" : strerror(e));
if (e == ENOTCONN)
return 2;
ret = 2;
else
return 1;
ret = 1;
}
return 0;
close_file_or_dir(fd, dirstream);
return ret;
}
static const char * const cmd_balance_cancel_usage[] = {
@ -698,18 +698,18 @@ static int cmd_balance_cancel(int argc, char **argv)
ret = ioctl(fd, BTRFS_IOC_BALANCE_CTL, BTRFS_BALANCE_CTL_CANCEL);
e = errno;
close_file_or_dir(fd, dirstream);
if (ret < 0) {
error("balance cancel on '%s' failed: %s", path,
(e == ENOTCONN) ? "Not in progress" : strerror(e));
if (e == ENOTCONN)
return 2;
ret = 2;
else
return 1;
ret = 1;
}
return 0;
close_file_or_dir(fd, dirstream);
return ret;
}
static const char * const cmd_balance_resume_usage[] = {
@ -743,7 +743,6 @@ static int cmd_balance_resume(int argc, char **argv)
ret = ioctl(fd, BTRFS_IOC_BALANCE_V2, &args);
e = errno;
close_file_or_dir(fd, dirstream);
if (ret < 0) {
if (e == ECANCELED) {
@ -756,14 +755,14 @@ static int cmd_balance_resume(int argc, char **argv)
(e == ENOTCONN) ? "Not in progress" :
"Already running");
if (e == ENOTCONN)
return 2;
ret = 2;
else
return 1;
ret = 1;
} else {
error("error during balancing '%s': %s\n"
"There may be more info in syslog - try dmesg | tail",
path, strerror(e));
return 1;
ret = 1;
}
} else {
printf("Done, had to relocate %llu out of %llu chunks\n",
@ -771,7 +770,8 @@ static int cmd_balance_resume(int argc, char **argv)
(unsigned long long)args.stat.considered);
}
return 0;
close_file_or_dir(fd, dirstream);
return ret;
}
static const char * const cmd_balance_status_usage[] = {
@ -830,15 +830,16 @@ static int cmd_balance_status(int argc, char **argv)
ret = ioctl(fd, BTRFS_IOC_BALANCE_PROGRESS, &args);
e = errno;
close_file_or_dir(fd, dirstream);
if (ret < 0) {
if (e == ENOTCONN) {
printf("No balance found on '%s'\n", path);
return 0;
ret = 0;
goto out;
}
error("balance status on '%s' failed: %s", path, strerror(e));
return 2;
ret = 2;
goto out;
}
if (args.state & BTRFS_BALANCE_STATE_RUNNING) {
@ -862,7 +863,10 @@ static int cmd_balance_status(int argc, char **argv)
if (verbose)
dump_ioctl_balance_args(&args);
return 1;
ret = 1;
out:
close_file_or_dir(fd, dirstream);
return ret;
}
static int cmd_balance_full(int argc, char **argv)