tty: Prefix tty_ldisc_{lock,lock_nested,unlock} functions
tty_ldisc_lock(), tty_ldisc_unlock(), and tty_ldisc_lock_nested() are low-level aliases for the underlying lock mechanism. Rename with double underscore to allow for new, higher level functions with those names. Reviewed-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Peter Hurley <peter@hurleysoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Родитель
52bce7f8d4
Коммит
e80a10ee4d
|
@ -308,19 +308,19 @@ EXPORT_SYMBOL_GPL(tty_ldisc_deref);
|
||||||
|
|
||||||
|
|
||||||
static inline int __lockfunc
|
static inline int __lockfunc
|
||||||
tty_ldisc_lock(struct tty_struct *tty, unsigned long timeout)
|
__tty_ldisc_lock(struct tty_struct *tty, unsigned long timeout)
|
||||||
{
|
{
|
||||||
return ldsem_down_write(&tty->ldisc_sem, timeout);
|
return ldsem_down_write(&tty->ldisc_sem, timeout);
|
||||||
}
|
}
|
||||||
|
|
||||||
static inline int __lockfunc
|
static inline int __lockfunc
|
||||||
tty_ldisc_lock_nested(struct tty_struct *tty, unsigned long timeout)
|
__tty_ldisc_lock_nested(struct tty_struct *tty, unsigned long timeout)
|
||||||
{
|
{
|
||||||
return ldsem_down_write_nested(&tty->ldisc_sem,
|
return ldsem_down_write_nested(&tty->ldisc_sem,
|
||||||
LDISC_SEM_OTHER, timeout);
|
LDISC_SEM_OTHER, timeout);
|
||||||
}
|
}
|
||||||
|
|
||||||
static inline void tty_ldisc_unlock(struct tty_struct *tty)
|
static inline void __tty_ldisc_unlock(struct tty_struct *tty)
|
||||||
{
|
{
|
||||||
return ldsem_up_write(&tty->ldisc_sem);
|
return ldsem_up_write(&tty->ldisc_sem);
|
||||||
}
|
}
|
||||||
|
@ -332,24 +332,24 @@ tty_ldisc_lock_pair_timeout(struct tty_struct *tty, struct tty_struct *tty2,
|
||||||
int ret;
|
int ret;
|
||||||
|
|
||||||
if (tty < tty2) {
|
if (tty < tty2) {
|
||||||
ret = tty_ldisc_lock(tty, timeout);
|
ret = __tty_ldisc_lock(tty, timeout);
|
||||||
if (ret) {
|
if (ret) {
|
||||||
ret = tty_ldisc_lock_nested(tty2, timeout);
|
ret = __tty_ldisc_lock_nested(tty2, timeout);
|
||||||
if (!ret)
|
if (!ret)
|
||||||
tty_ldisc_unlock(tty);
|
__tty_ldisc_unlock(tty);
|
||||||
}
|
}
|
||||||
} else {
|
} else {
|
||||||
/* if this is possible, it has lots of implications */
|
/* if this is possible, it has lots of implications */
|
||||||
WARN_ON_ONCE(tty == tty2);
|
WARN_ON_ONCE(tty == tty2);
|
||||||
if (tty2 && tty != tty2) {
|
if (tty2 && tty != tty2) {
|
||||||
ret = tty_ldisc_lock(tty2, timeout);
|
ret = __tty_ldisc_lock(tty2, timeout);
|
||||||
if (ret) {
|
if (ret) {
|
||||||
ret = tty_ldisc_lock_nested(tty, timeout);
|
ret = __tty_ldisc_lock_nested(tty, timeout);
|
||||||
if (!ret)
|
if (!ret)
|
||||||
tty_ldisc_unlock(tty2);
|
__tty_ldisc_unlock(tty2);
|
||||||
}
|
}
|
||||||
} else
|
} else
|
||||||
ret = tty_ldisc_lock(tty, timeout);
|
ret = __tty_ldisc_lock(tty, timeout);
|
||||||
}
|
}
|
||||||
|
|
||||||
if (!ret)
|
if (!ret)
|
||||||
|
@ -370,9 +370,9 @@ tty_ldisc_lock_pair(struct tty_struct *tty, struct tty_struct *tty2)
|
||||||
static void __lockfunc tty_ldisc_unlock_pair(struct tty_struct *tty,
|
static void __lockfunc tty_ldisc_unlock_pair(struct tty_struct *tty,
|
||||||
struct tty_struct *tty2)
|
struct tty_struct *tty2)
|
||||||
{
|
{
|
||||||
tty_ldisc_unlock(tty);
|
__tty_ldisc_unlock(tty);
|
||||||
if (tty2)
|
if (tty2)
|
||||||
tty_ldisc_unlock(tty2);
|
__tty_ldisc_unlock(tty2);
|
||||||
}
|
}
|
||||||
|
|
||||||
static void __lockfunc tty_ldisc_enable_pair(struct tty_struct *tty,
|
static void __lockfunc tty_ldisc_enable_pair(struct tty_struct *tty,
|
||||||
|
|
Загрузка…
Ссылка в новой задаче