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Merge pull request #19 from stintel/master

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cmd_device_remove: allow removal by device id
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koverstreet 2019-08-17 14:24:56 -04:00 committed by GitHub
commit 4c96e9dda3
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1 changed files with 28 additions and 6 deletions
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34
cmd_device.c
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@ -120,9 +120,12 @@ int cmd_device_add(int argc, char *argv[])
static void device_remove_usage(void)
{
puts("bcachefs device_remove - remove a device from a filesystem\n"
"Usage: bcachefs device remove device\n"
"Usage:\n"
" bcachefs device remove device\n"
" bcachefs device remove --by-id path devid\n"
"\n"
"Options:\n"
" -i, --by-id Remove device by device id\n"
" -f, --force Force removal, even if some data\n"
" couldn't be migrated\n"
" -F, --force-metadata Force removal, even if some metadata\n"
@ -135,15 +138,22 @@ static void device_remove_usage(void)
int cmd_device_remove(int argc, char *argv[])
{
static const struct option longopts[] = {
{ "by-id", 0, NULL, 'i' },
{ "force", 0, NULL, 'f' },
{ "force-metadata", 0, NULL, 'F' },
{ "help", 0, NULL, 'h' },
{ NULL }
};
struct bchfs_handle fs;
bool by_id = false;
int opt, flags = BCH_FORCE_IF_DEGRADED;
unsigned dev_idx;
while ((opt = getopt_long(argc, argv, "fh", longopts, NULL)) != -1)
switch (opt) {
case 'i':
by_id = true;
break;
case 'f':
flags |= BCH_FORCE_IF_DATA_LOST;
break;
@ -155,15 +165,27 @@ int cmd_device_remove(int argc, char *argv[])
}
args_shift(optind);
char *dev = arg_pop();
if (!dev)
die("Please supply a device to remove");
if (by_id) {
char *path = arg_pop();
if (!path)
die("Please supply filesystem to remove device from");
dev_idx = (intptr_t) arg_pop();
if (!dev_idx)
die("Please supply device id");
fs = bcache_fs_open(path);
} else {
char *dev = arg_pop();
if (!dev)
die("Please supply a device to remove");
fs = bchu_fs_open_by_dev(dev, &dev_idx);
}
if (argc)
die("too many arguments");
unsigned dev_idx;
struct bchfs_handle fs = bchu_fs_open_by_dev(dev, &dev_idx);
bchu_disk_remove(fs, dev_idx, flags);
return 0;
}