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Reapply "kernel: expose umount list to ioctl interface #2950"

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This reverts commit 088996da9b.
This commit is contained in:
ShirkNeko
2025-11-20 20:07:59 +08:00
parent cc78812f50
commit 8250c0ecc2
48 changed files with 257 additions and 271 deletions
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24
kernel/umount_manager.c
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@@ -17,7 +17,7 @@ static struct umount_manager g_umount_mgr = {
static void try_umount_path(struct umount_entry *entry)
{
try_umount(entry->path, entry->check_mnt, entry->flags);
try_umount(entry->path, entry->flags);
}
static struct umount_entry *find_entry_locked(const char *path)
@@ -39,21 +39,19 @@ static int init_default_entries(void)
const struct {
const char *path;
bool check_mnt;
int flags;
} defaults[] = {
{ "/odm", true, 0 },
{ "/system", true, 0 },
{ "/vendor", true, 0 },
{ "/product", true, 0 },
{ "/system_ext", true, 0 },
{ "/data/adb/modules", false, MNT_DETACH },
{ "/debug_ramdisk", false, MNT_DETACH },
{ "/odm", 0 },
{ "/system", 0 },
{ "/vendor", 0 },
{ "/product", 0 },
{ "/system_ext", 0 },
{ "/data/adb/modules", MNT_DETACH },
{ "/debug_ramdisk", MNT_DETACH },
};
for (int i = 0; i < ARRAY_SIZE(defaults); i++) {
ret = ksu_umount_manager_add(defaults[i].path,
defaults[i].check_mnt,
ret = ksu_umount_manager_add(defaults[i].path,
defaults[i].flags,
true); // is_default = true
if (ret) {
@@ -93,7 +91,7 @@ void ksu_umount_manager_exit(void)
pr_info("Umount manager cleaned up\n");
}
int ksu_umount_manager_add(const char *path, bool check_mnt, int flags, bool is_default)
int ksu_umount_manager_add(const char *path, int flags, bool is_default)
{
struct umount_entry *entry;
unsigned long irqflags;
@@ -127,7 +125,6 @@ int ksu_umount_manager_add(const char *path, bool check_mnt, int flags, bool is_
}
strncpy(entry->path, path, sizeof(entry->path) - 1);
entry->check_mnt = check_mnt;
entry->flags = flags;
entry->state = UMOUNT_STATE_IDLE;
entry->is_default = is_default;
@@ -234,7 +231,6 @@ int ksu_umount_manager_get_entries(struct ksu_umount_entry_info __user *entries,
memset(&info, 0, sizeof(info));
strncpy(info.path, entry->path, sizeof(info.path) - 1);
info.check_mnt = entry->check_mnt;
info.flags = entry->flags;
info.is_default = entry->is_default;
info.state = entry->state;