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tty: deprecate tty_write_message()

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tty_write_message() has only one user: quotas. In particular, there the
use depends on CONFIG_PRINT_QUOTA_WARNING. And that is deprecated and
marked as BROKEN already too.

So make tty_write_message() dependent on that very config option. This
action in fact drops tty_write_message() from the vmlinux binary. Good
riddance.

Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Cc: Jan Kara <jack@suse.com>
Acked-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/20231121092258.9334-2-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby (SUSE) 2023-11-21 10:22:42 +01:00 committed by Greg Kroah-Hartman
parent 358779dd18
commit 4c74253b83
1 changed files with 4 additions and 0 deletions
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4
drivers/tty/tty_io.c
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@ -1047,6 +1047,7 @@ out:
return ret;
}
#ifdef CONFIG_PRINT_QUOTA_WARNING
/**
* tty_write_message - write a message to a certain tty, not just the console.
* @tty: the destination tty_struct
@ -1057,6 +1058,8 @@ out:
* needed.
*
* We must still hold the BTM and test the CLOSING flag for the moment.
*
* This function is DEPRECATED, do not use in new code.
*/
void tty_write_message(struct tty_struct *tty, char *msg)
{
@ -1069,6 +1072,7 @@ void tty_write_message(struct tty_struct *tty, char *msg)
tty_write_unlock(tty);
}
}
#endif
static ssize_t file_tty_write(struct file *file, struct kiocb *iocb, struct iov_iter *from)
{