Merge pull request #21275 from keszybz/makefs-quiet

Makefs quiet output
This commit is contained in:
Lennart Poettering
2021-11-16 16:55:47 +01:00
committed by GitHub
6 changed files with 211 additions and 37 deletions
+141 -29
View File
@@ -8,6 +8,7 @@
#include "process-util.h"
#include "stdio-util.h"
#include "string-util.h"
#include "utf8.h"
int mkfs_exists(const char *fstype) {
const char *mkfs;
@@ -31,6 +32,60 @@ int mkfs_exists(const char *fstype) {
return true;
}
static int mangle_linux_fs_label(const char *s, size_t max_len, char **ret) {
/* Not more than max_len bytes (12 or 16) */
assert(s);
assert(max_len > 0);
assert(ret);
const char *q;
char *ans;
for (q = s; *q;) {
int l;
l = utf8_encoded_valid_unichar(q, SIZE_MAX);
if (l < 0)
return l;
if ((size_t) (q - s + l) > max_len)
break;
q += l;
}
ans = memdup_suffix0(s, q - s);
if (!ans)
return -ENOMEM;
*ret = ans;
return 0;
}
static int mangle_fat_label(const char *s, char **ret) {
assert(s);
_cleanup_free_ char *q = NULL;
int r;
r = utf8_to_ascii(s, '_', &q);
if (r < 0)
return r;
/* Classic FAT only allows 11 character uppercase labels */
strshorten(q, 11);
ascii_strupper(q);
/* mkfs.vfat: Labels with characters *?.,;:/\|+=<>[]" are not allowed.
* Let's also replace any control chars. */
for (char *p = q; *p; p++)
if (strchr("*?.,;:/\\|+=<>[]\"", *p) || char_is_cc(*p))
*p = '_';
*ret = TAKE_PTR(q);
return 0;
}
int make_filesystem(
const char *node,
const char *fstype,
@@ -38,7 +93,8 @@ int make_filesystem(
sd_id128_t uuid,
bool discard) {
_cleanup_free_ char *mkfs = NULL;
_cleanup_free_ char *mkfs = NULL, *mangled_label = NULL;
char vol_id[CONST_MAX(ID128_UUID_STRING_MAX, 8 + 1)] = {};
int r;
assert(node);
@@ -63,64 +119,113 @@ int make_filesystem(
return log_oom();
}
if (STR_IN_SET(fstype, "ext2", "ext3", "ext4", "xfs", "swap")) {
size_t max_len =
streq(fstype, "xfs") ? 12 :
streq(fstype, "swap") ? 15 :
16;
r = mangle_linux_fs_label(label, max_len, &mangled_label);
if (r < 0)
return log_error_errno(r, "Failed to determine volume label from string \"%s\": %m", label);
label = mangled_label;
} else if (streq(fstype, "vfat")) {
r = mangle_fat_label(label, &mangled_label);
if (r < 0)
return log_error_errno(r, "Failed to determine FAT label from string \"%s\": %m", label);
label = mangled_label;
xsprintf(vol_id, "%08" PRIx32,
((uint32_t) uuid.bytes[0] << 24) |
((uint32_t) uuid.bytes[1] << 16) |
((uint32_t) uuid.bytes[2] << 8) |
((uint32_t) uuid.bytes[3])); /* Take first 32 bytes of UUID */
}
if (isempty(vol_id))
id128_to_uuid_string(uuid, vol_id);
r = safe_fork("(mkfs)", FORK_RESET_SIGNALS|FORK_RLIMIT_NOFILE_SAFE|FORK_DEATHSIG|FORK_LOG|FORK_WAIT|FORK_STDOUT_TO_STDERR, NULL);
if (r < 0)
return r;
if (r == 0) {
/* Child */
if (streq(fstype, "ext4"))
/* When changing this conditional, also adjust the log statement below. */
if (streq(fstype, "ext2"))
(void) execlp(mkfs, mkfs,
"-q",
"-L", label,
"-U", ID128_TO_UUID_STRING(uuid),
"-U", vol_id,
"-I", "256",
"-m", "0",
"-E", discard ? "discard,lazy_itable_init=1" : "nodiscard,lazy_itable_init=1",
node, NULL);
else if (STR_IN_SET(fstype, "ext3", "ext4"))
(void) execlp(mkfs, mkfs,
"-q",
"-L", label,
"-U", vol_id,
"-I", "256",
"-O", "has_journal",
"-m", "0",
"-E", discard ? "lazy_itable_init=1,discard" : "lazy_itable_init=1,nodiscard",
"-E", discard ? "discard,lazy_itable_init=1" : "nodiscard,lazy_itable_init=1",
node, NULL);
else if (streq(fstype, "btrfs")) {
if (discard)
(void) execlp(mkfs, mkfs, "-L", label, "-U", ID128_TO_UUID_STRING(uuid), node, NULL);
else
(void) execlp(mkfs, mkfs, "-L", label, "-U", ID128_TO_UUID_STRING(uuid), "--nodiscard", node, NULL);
(void) execlp(mkfs, mkfs,
"-q",
"-L", label,
"-U", vol_id,
node,
discard ? NULL : "--nodiscard",
NULL);
} else if (streq(fstype, "f2fs")) {
(void) execlp(mkfs, mkfs,
"-q",
"-g", /* "default options" */
"-f", /* force override, without this it doesn't seem to want to write to an empty partition */
"-l", label,
"-U", vol_id,
"-t", one_zero(discard),
node,
NULL);
} else if (streq(fstype, "xfs")) {
const char *j;
j = strjoina("uuid=", ID128_TO_UUID_STRING(uuid));
if (discard)
(void) execlp(mkfs, mkfs, "-L", label, "-m", j, "-m", "reflink=1", node, NULL);
else
(void) execlp(mkfs, mkfs, "-L", label, "-m", j, "-m", "reflink=1", "-K", node, NULL);
j = strjoina("uuid=", vol_id);
} else if (streq(fstype, "vfat")) {
char mangled_label[8 + 3 + 1], vol_id[8 + 1];
(void) execlp(mkfs, mkfs,
"-q",
"-L", label,
"-m", j,
"-m", "reflink=1",
node,
discard ? NULL : "-K",
NULL);
/* Classic FAT only allows 11 character uppercase labels */
strncpy(mangled_label, label, sizeof(mangled_label)-1);
mangled_label[sizeof(mangled_label)-1] = 0;
ascii_strupper(mangled_label);
xsprintf(vol_id, "%08" PRIx32,
((uint32_t) uuid.bytes[0] << 24) |
((uint32_t) uuid.bytes[1] << 16) |
((uint32_t) uuid.bytes[2] << 8) |
((uint32_t) uuid.bytes[3])); /* Take first 32 byte of UUID */
} else if (streq(fstype, "vfat"))
(void) execlp(mkfs, mkfs,
"-i", vol_id,
"-n", mangled_label,
"-n", label,
"-F", "32", /* yes, we force FAT32 here */
node, NULL);
} else if (streq(fstype, "swap")) {
else if (streq(fstype, "swap"))
/* TODO: add --quiet here if
* https://github.com/util-linux/util-linux/issues/1499 resolved. */
(void) execlp(mkfs, mkfs,
"-L", label,
"-U", ID128_TO_UUID_STRING(uuid),
"-U", vol_id,
node, NULL);
} else
else
/* Generic fallback for all other file systems */
(void) execlp(mkfs, mkfs, node, NULL);
@@ -129,5 +234,12 @@ int make_filesystem(
_exit(EXIT_FAILURE);
}
if (STR_IN_SET(fstype, "ext2", "ext3", "ext4", "btrfs", "f2fs", "xfs", "vfat", "swap"))
log_info("%s successfully formatted as %s (label \"%s\", uuid %s)",
node, fstype, label, vol_id);
else
log_info("%s successfully formatted as %s (no label or uuid specified)",
node, fstype);
return 0;
}