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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-08 15:51:32 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-15 11:30:18 +0300 |
| commit | 9f72cab1596327e1011ab4599c07b165e0fb45db (patch) | |
| tree | d00f9f8305d32f5c0ab22f4dda2cb226599225b9 /drivers/tty/tty.h | |
| parent | dd9f611442578ca8392e90adbca5815d79946b5e (diff) | |
| download | linux-9f72cab1596327e1011ab4599c07b165e0fb45db.tar.xz | |
tty: move some tty-only functions to drivers/tty/tty.h
The flow change and restricted_tty_write() logic is internal to the tty
core only, so move it out of the include/linux/tty.h file.
Cc: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20210408125134.3016837-12-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/tty.h')
| -rw-r--r-- | drivers/tty/tty.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/tty/tty.h b/drivers/tty/tty.h index af997a4174c5..cf0b1346b346 100644 --- a/drivers/tty/tty.h +++ b/drivers/tty/tty.h @@ -40,6 +40,21 @@ enum { TTY_LOCK_SLAVE, }; +/* Values for tty->flow_change */ +#define TTY_THROTTLE_SAFE 1 +#define TTY_UNTHROTTLE_SAFE 2 + +static inline void __tty_set_flow_change(struct tty_struct *tty, int val) +{ + tty->flow_change = val; +} + +static inline void tty_set_flow_change(struct tty_struct *tty, int val) +{ + tty->flow_change = val; + smp_mb(); +} + int tty_ldisc_lock(struct tty_struct *tty, unsigned long timeout); void tty_ldisc_unlock(struct tty_struct *tty); @@ -57,4 +72,6 @@ static inline void tty_audit_tiocsti(struct tty_struct *tty, char ch) } #endif +ssize_t redirected_tty_write(struct kiocb *, struct iov_iter *); + #endif |