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systemadm: report GLib.Error only to stderr
[elogind.git]
/
src
/
umount.c
diff --git
a/src/umount.c
b/src/umount.c
index 6fe0a26dd413278ae704e1037b0466abcdc04429..95efa8204b2e9e9cb11e2cf07666d1556251354d 100644
(file)
--- a/
src/umount.c
+++ b/
src/umount.c
@@
-37,6
+37,7
@@
typedef struct MountPoint {
char *path;
dev_t devnum;
typedef struct MountPoint {
char *path;
dev_t devnum;
+ bool skip_ro;
LIST_FIELDS (struct MountPoint, mount_point);
} MountPoint;
LIST_FIELDS (struct MountPoint, mount_point);
} MountPoint;
@@
-71,6
+72,8
@@
static int mount_points_list_get(MountPoint **head) {
for (i = 1;; i++) {
int k;
MountPoint *m;
for (i = 1;; i++) {
int k;
MountPoint *m;
+ char *root;
+ bool skip_ro;
path = p = NULL;
path = p = NULL;
@@
-78,7
+81,7
@@
static int mount_points_list_get(MountPoint **head) {
"%*s " /* (1) mount id */
"%*s " /* (2) parent id */
"%*s " /* (3) major:minor */
"%*s " /* (1) mount id */
"%*s " /* (2) parent id */
"%*s " /* (3) major:minor */
- "%
*
s " /* (4) root */
+ "%
m
s " /* (4) root */
"%ms " /* (5) mount point */
"%*s" /* (6) mount options */
"%*[^-]" /* (7) optional fields */
"%ms " /* (5) mount point */
"%*s" /* (6) mount options */
"%*[^-]" /* (7) optional fields */
@@
-87,7
+90,8
@@
static int mount_points_list_get(MountPoint **head) {
"%*s" /* (10) mount source */
"%*s" /* (11) mount options 2 */
"%*[^\n]", /* some rubbish at the end */
"%*s" /* (10) mount source */
"%*s" /* (11) mount options 2 */
"%*[^\n]", /* some rubbish at the end */
- &path)) != 1) {
+ &root,
+ &path)) != 2) {
if (k == EOF)
break;
if (k == EOF)
break;
@@
-97,6
+101,11
@@
static int mount_points_list_get(MountPoint **head) {
continue;
}
continue;
}
+ /* If we encounter a bind mount, don't try to remount
+ * the source dir too early */
+ skip_ro = !streq(root, "/");
+ free(root);
+
p = cunescape(path);
free(path);
p = cunescape(path);
free(path);
@@
-117,6
+126,7
@@
static int mount_points_list_get(MountPoint **head) {
}
m->path = p;
}
m->path = p;
+ m->skip_ro = skip_ro;
LIST_PREPEND(MountPoint, mount_point, *head, m);
}
LIST_PREPEND(MountPoint, mount_point, *head, m);
}
@@
-136,7
+146,7
@@
static int swap_list_get(MountPoint **head) {
assert(head);
if (!(proc_swaps = fopen("/proc/swaps", "re")))
assert(head);
if (!(proc_swaps = fopen("/proc/swaps", "re")))
- return -errno;
+ return
(errno == ENOENT) ? 0 :
-errno;
(void) fscanf(proc_swaps, "%*s %*s %*s %*s %*s\n");
(void) fscanf(proc_swaps, "%*s %*s %*s %*s %*s\n");
@@
-428,6
+438,11
@@
static int mount_points_list_remount_read_only(MountPoint **head, bool *changed)
LIST_FOREACH_SAFE(mount_point, m, n, *head) {
LIST_FOREACH_SAFE(mount_point, m, n, *head) {
+ if (m->skip_ro) {
+ n_failed++;
+ continue;
+ }
+
/* Trying to remount read-only */
if (mount(NULL, m->path, NULL, MS_MGC_VAL|MS_REMOUNT|MS_RDONLY, NULL) == 0) {
if (changed)
/* Trying to remount read-only */
if (mount(NULL, m->path, NULL, MS_MGC_VAL|MS_REMOUNT|MS_RDONLY, NULL) == 0) {
if (changed)