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fstab-generator: add x-systemd.rw-only option support

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Support enabling the ReadwriteOnly= unit setting from fstab using
'x-systemd.rw-only'
This commit is contained in:
Martin Hundebøll 2020-05-04 10:02:19 +02:00
parent 75f4bd7fd0
commit f42aa41683
1 changed files with 7 additions and 2 deletions
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9
src/fstab-generator/fstab-generator.c
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@ -35,6 +35,7 @@ typedef enum MountpointFlags {
AUTOMOUNT = 1 << 2,
MAKEFS = 1 << 3,
GROWFS = 1 << 4,
RWONLY = 1 << 5,
} MountpointFlags;
static const char *arg_dest = NULL;
@ -481,6 +482,9 @@ static int add_mount(
if (r < 0)
return r;
if (flags & RWONLY)
fprintf(f, "ReadWriteOnly=yes\n");
r = fflush_and_check(f);
if (r < 0)
return log_error_errno(r, "Failed to write unit file %s: %m", name);
@ -594,7 +598,7 @@ static int parse_fstab(bool initrd) {
while ((me = getmntent(f))) {
_cleanup_free_ char *where = NULL, *what = NULL, *canonical_where = NULL;
bool makefs, growfs, noauto, nofail;
bool makefs, growfs, noauto, nofail, rwonly;
int k;
if (initrd && !mount_in_initrd(me))
@ -634,6 +638,7 @@ static int parse_fstab(bool initrd) {
makefs = fstab_test_option(me->mnt_opts, "x-systemd.makefs\0");
growfs = fstab_test_option(me->mnt_opts, "x-systemd.growfs\0");
rwonly = fstab_test_option(me->mnt_opts, "x-systemd.rw-only\0");
noauto = fstab_test_yes_no_option(me->mnt_opts, "noauto\0" "auto\0");
nofail = fstab_test_yes_no_option(me->mnt_opts, "nofail\0" "fail\0");
@ -666,7 +671,7 @@ static int parse_fstab(bool initrd) {
me->mnt_type,
me->mnt_opts,
me->mnt_passno,
makefs*MAKEFS | growfs*GROWFS | noauto*NOAUTO | nofail*NOFAIL | automount*AUTOMOUNT,
makefs*MAKEFS | growfs*GROWFS | noauto*NOAUTO | nofail*NOFAIL | automount*AUTOMOUNT | rwonly*RWONLY,
post,
fstab);
}