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makefs: add "support" for f2fs

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The man page doesn't quite match what --help says, and I needed to use "-f" to
write a wiped partition. This all feels a bit experimental, but the fs has some
adherents, and we should make it easy to use.

(Also, an empty 256MB device formatted and mounted shows up as
  Filesystem      Size  Used Avail Use% Mounted on
  /dev/loop0      254M   85M  170M  34% /var/tmp/mount
which also seems a bit over the top…)

Requested in https://github.com/systemd/systemd/pull/21275#issuecomment-967928690.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2021-11-13 16:40:46 +01:00
parent 8d433a99a4
commit 2d96440fd5
1 changed files with 12 additions and 1 deletions
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13
src/shared/mkfs-util.c
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@ -183,6 +183,17 @@ int make_filesystem(
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;
@ -223,7 +234,7 @@ int make_filesystem(
_exit(EXIT_FAILURE);
}
if (STR_IN_SET(fstype, "ext2", "ext3", "ext4", "btrfs", "xfs", "vfat", "swap"))
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