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btrfs-progs: image: use help and cmd_struct for printing help text

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Unify the image help text so it uses the help framework. The cmd struct
is set up only partially.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2023-01-11 18:49:52 +01:00
parent 512467c17e
commit 8affa4e116
1 changed files with 25 additions and 12 deletions
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37
image/main.c
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@ -49,6 +49,7 @@
#include "common/device-utils.h"
#include "common/open-utils.h"
#include "common/string-utils.h"
#include "cmds/commands.h"
#include "image/metadump.h"
#include "image/sanitize.h"
#include "ioctl.h"
@ -3030,20 +3031,32 @@ out:
return ret;
}
static const char * const image_usage[] = {
"btrfs-image [options] source target",
"Create or restore a filesystem image (metadata)",
"",
"Options:",
OPTLINE("-r", "restore metadump image"),
OPTLINE("-c value", "compression level (0 ~ 9)"),
OPTLINE("-t value", "number of threads (1 ~ 32)"),
OPTLINE("-o", "don't mess with the chunk tree when restoring"),
OPTLINE("-s", "sanitize file names, use once to just use garbage, use twice if you want crc collisions"),
OPTLINE("-w", "walk all trees instead of using extent tree, do this if your extent tree is broken"),
OPTLINE("-m", "restore for multiple devices"),
OPTLINE("-d", "also dump data, conflicts with -w"),
"",
"In the dump mode, source is the btrfs device and target is the output file (use '-' for stdout).",
"In the restore mode, source is the dumped image and target is the btrfs device/file.",
NULL
};
static const struct cmd_struct image_cmd = {
.usagestr = image_usage
};
static void print_usage(int ret)
{
printf("usage: btrfs-image [options] source target\n");
printf("\t-r \trestore metadump image\n");
printf("\t-c value\tcompression level (0 ~ 9)\n");
printf("\t-t value\tnumber of threads (1 ~ 32)\n");
printf("\t-o \tdon't mess with the chunk tree when restoring\n");
printf("\t-s \tsanitize file names, use once to just use garbage, use twice if you want crc collisions\n");
printf("\t-w \twalk all trees instead of using extent tree, do this if your extent tree is broken\n");
printf("\t-m \trestore for multiple devices\n");
printf("\t-d \talso dump data, conflicts with -w\n");
printf("\n");
printf("\tIn the dump mode, source is the btrfs device and target is the output file (use '-' for stdout).\n");
printf("\tIn the restore mode, source is the dumped image and target is the btrfs device/file.\n");
usage(&image_cmd);
exit(ret);
}