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Subject[PATCH][CLEANUP] task->state cleanups part 5
2Marcelo: the whole cleanup tree derived from yours available at
linux-stingr.bkbits.net/taskstate

2others: people says that it is nice patch, howewer it is completely
untested. But I dunno what can be broken such way so ...

This is task->state cleanup. Big part seems to be eaten my Matti Aarnio so
splitted goes below.

# This is a BitKeeper generated patch for the following project:
# Project Name: Linux kernel tree
# This patch format is intended for GNU patch command version 2.5 or higher.
# This patch includes the following deltas:
# ChangeSet 1.314 -> 1.315
# drivers/char/vt.c 1.9 -> 1.10
# drivers/ide/ide-tape.c 1.10 -> 1.11
# drivers/char/sonypi.c 1.7 -> 1.8
# drivers/input/evdev.c 1.5 -> 1.6
# drivers/char/stallion.c 1.5 -> 1.6
# drivers/char/serial_21285.c 1.3 -> 1.4
# drivers/char/specialix.c 1.4 -> 1.5
# drivers/input/mousedev.c 1.5 -> 1.6
# drivers/char/serial_txx927.c 1.3 -> 1.4
# drivers/char/sx.c 1.9 -> 1.10
# drivers/char/tpqic02.c 1.7 -> 1.8
# drivers/input/joydev.c 1.4 -> 1.5
# drivers/char/tty_ioctl.c 1.3 -> 1.4
# drivers/i2c/i2c-keywest.c 1.3 -> 1.4
#
# The following is the BitKeeper ChangeSet Log
# --------------------------------------------
# 02/04/08 stingray@stingr.net 1.315
# task->state cleanup part 5
# --------------------------------------------
#
diff -Nru a/drivers/char/serial_21285.c b/drivers/char/serial_21285.c
--- a/drivers/char/serial_21285.c Mon Apr 8 01:23:45 2002
+++ b/drivers/char/serial_21285.c Mon Apr 8 01:23:45 2002
@@ -249,14 +249,14 @@
{
int orig_jiffies = jiffies;
while (*CSR_UARTFLG & 8) {
- current->state = TASK_INTERRUPTIBLE;
+ set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(1);
if (signal_pending(current))
break;
if (timeout && time_after(jiffies, orig_jiffies + timeout))
break;
}
- current->state = TASK_RUNNING;
+ set_current_state(TASK_RUNNING);
}

static int rs285_open(struct tty_struct *tty, struct file *filp)
diff -Nru a/drivers/char/serial_txx927.c b/drivers/char/serial_txx927.c
--- a/drivers/char/serial_txx927.c Mon Apr 8 01:23:46 2002
+++ b/drivers/char/serial_txx927.c Mon Apr 8 01:23:46 2002
@@ -1472,7 +1472,7 @@
info->tty = 0;
if (info->blocked_open) {
if (info->close_delay) {
- current->state = TASK_INTERRUPTIBLE;
+ set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(info->close_delay);
}
wake_up_interruptible(&info->open_wait);
@@ -1532,7 +1532,7 @@
#ifdef SERIAL_DEBUG_RS_WAIT_UNTIL_SENT
printk("cisr = %d (jiff=%lu)...", cisr, jiffies);
#endif
- current->state = TASK_INTERRUPTIBLE;
+ set_current_state(TASK_INTERRUPTIBLE);
current->counter = 0; /* make us low-priority */
schedule_timeout(char_time);
if (signal_pending(current))
@@ -1540,7 +1540,7 @@
if (timeout && time_after(jiffies, orig_jiffies + timeout))
break;
}
- current->state = TASK_RUNNING;
+ set_current_state(TASK_RUNNING);
#ifdef SERIAL_DEBUG_RS_WAIT_UNTIL_SENT
printk("cisr = %d (jiff=%lu)...done\n", cisr, jiffies);
#endif
@@ -1663,7 +1663,7 @@
(tty->termios->c_cflag & CBAUD))
sio_reg(info)->flcr &= ~(TXx927_SIFLCR_RTSSC|TXx927_SIFLCR_RSDE);
restore_flags(flags);
- current->state = TASK_INTERRUPTIBLE;
+ set_current_state(TASK_INTERRUPTIBLE);
if (tty_hung_up_p(filp) ||
!(info->flags & ASYNC_INITIALIZED)) {
#ifdef SERIAL_DO_RESTART
@@ -1689,7 +1689,7 @@
#endif
schedule();
}
- current->state = TASK_RUNNING;
+ set_current_state(TASK_RUNNING);
remove_wait_queue(&info->open_wait, &wait);
if (extra_count)
state->count++;
diff -Nru a/drivers/char/sonypi.c b/drivers/char/sonypi.c
--- a/drivers/char/sonypi.c Mon Apr 8 01:23:45 2002
+++ b/drivers/char/sonypi.c Mon Apr 8 01:23:45 2002
@@ -506,7 +506,7 @@
schedule();
goto repeat;
}
- current->state = TASK_RUNNING;
+ set_current_state(TASK_RUNNING);
remove_wait_queue(&sonypi_device.queue.proc_list, &wait);
}
while (i > 0 && !sonypi_emptyq()) {
diff -Nru a/drivers/char/specialix.c b/drivers/char/specialix.c
--- a/drivers/char/specialix.c Mon Apr 8 01:23:45 2002
+++ b/drivers/char/specialix.c Mon Apr 8 01:23:45 2002
@@ -1434,7 +1434,7 @@
}
schedule();
}
- current->state = TASK_RUNNING;
+ set_current_state(TASK_RUNNING);
remove_wait_queue(&port->open_wait, &wait);
if (!tty_hung_up_p(filp))
port->count++;
@@ -1567,7 +1567,7 @@
*/
timeout = jiffies+HZ;
while(port->IER & IER_TXEMPTY) {
- current->state = TASK_INTERRUPTIBLE;
+ set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(port->timeout);
if (time_after(jiffies, timeout)) {
printk (KERN_INFO "Timeout waiting for close\n");
@@ -1586,7 +1586,7 @@
port->tty = 0;
if (port->blocked_open) {
if (port->close_delay) {
- current->state = TASK_INTERRUPTIBLE;
+ set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(port->close_delay);
}
wake_up_interruptible(&port->open_wait);
diff -Nru a/drivers/char/stallion.c b/drivers/char/stallion.c
--- a/drivers/char/stallion.c Mon Apr 8 01:23:45 2002
+++ b/drivers/char/stallion.c Mon Apr 8 01:23:45 2002
@@ -1283,9 +1283,9 @@
printk("stl_delay(len=%d)\n", len);
#endif
if (len > 0) {
- current->state = TASK_INTERRUPTIBLE;
+ set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(len);
- current->state = TASK_RUNNING;
+ set_current_state(TASK_RUNNING);
}
}

diff -Nru a/drivers/char/sx.c b/drivers/char/sx.c
--- a/drivers/char/sx.c Mon Apr 8 01:23:46 2002
+++ b/drivers/char/sx.c Mon Apr 8 01:23:46 2002
@@ -1552,12 +1552,12 @@
sx_send_command (port, HS_CLOSE, 0, 0);

while (to-- && (sx_read_channel_byte (port, hi_hstat) != HS_IDLE_CLOSED)) {
- current->state = TASK_INTERRUPTIBLE;
+ set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout (1);
if (signal_pending (current))
break;
}
- current->state = TASK_RUNNING;
+ set_current_state(TASK_RUNNING);
if (sx_read_channel_byte (port, hi_hstat) != HS_IDLE_CLOSED) {
if (sx_send_command (port, HS_FORCE_CLOSED, -1, HS_IDLE_CLOSED) != 1) {
printk (KERN_ERR
diff -Nru a/drivers/char/tpqic02.c b/drivers/char/tpqic02.c
--- a/drivers/char/tpqic02.c Mon Apr 8 01:23:46 2002
+++ b/drivers/char/tpqic02.c Mon Apr 8 01:23:46 2002
@@ -598,7 +598,7 @@
/* not ready and no exception && timeout not expired yet */
while (((stat = inb_p(QIC02_STAT_PORT) & QIC02_STAT_MASK) == QIC02_STAT_MASK) && time_before(jiffies, spin_t)) {
/* be `nice` to other processes on long operations... */
- current->state = TASK_INTERRUPTIBLE;
+ set_current_state(TASK_INTERRUPTIBLE);
/* nap 0.30 sec between checks, */
/* but could be woken up earlier by signals... */
schedule_timeout(3 * HZ / 10);
diff -Nru a/drivers/char/tty_ioctl.c b/drivers/char/tty_ioctl.c
--- a/drivers/char/tty_ioctl.c Mon Apr 8 01:23:46 2002
+++ b/drivers/char/tty_ioctl.c Mon Apr 8 01:23:46 2002
@@ -65,7 +65,7 @@
if (tty->driver.wait_until_sent)
tty->driver.wait_until_sent(tty, timeout);
stop_waiting:
- current->state = TASK_RUNNING;
+ set_current_state(TASK_RUNNING);
remove_wait_queue(&tty->write_wait, &wait);
}

diff -Nru a/drivers/char/vt.c b/drivers/char/vt.c
--- a/drivers/char/vt.c Mon Apr 8 01:23:45 2002
+++ b/drivers/char/vt.c Mon Apr 8 01:23:45 2002
@@ -1144,7 +1144,7 @@
schedule();
}
remove_wait_queue(&vt_activate_queue, &wait);
- current->state = TASK_RUNNING;
+ set_current_state(TASK_RUNNING);
return retval;
}

diff -Nru a/drivers/i2c/i2c-keywest.c b/drivers/i2c/i2c-keywest.c
--- a/drivers/i2c/i2c-keywest.c Mon Apr 8 01:23:46 2002
+++ b/drivers/i2c/i2c-keywest.c Mon Apr 8 01:23:46 2002
@@ -99,7 +99,7 @@
isr = read_reg(reg_isr) & KW_I2C_IRQ_MASK;
if (isr != 0)
return isr;
- current->state = TASK_UNINTERRUPTIBLE;
+ set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout(1);
}
return isr;
diff -Nru a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
--- a/drivers/ide/ide-tape.c Mon Apr 8 01:23:45 2002
+++ b/drivers/ide/ide-tape.c Mon Apr 8 01:23:45 2002
@@ -3227,7 +3227,7 @@
}
if (!(tape->sense_key == 2 && tape->asc == 4 && (tape->ascq == 1 || tape->ascq == 8)))
break;
- current->state = TASK_INTERRUPTIBLE;
+ set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(HZ / 10);
}
return -EIO;
diff -Nru a/drivers/input/evdev.c b/drivers/input/evdev.c
--- a/drivers/input/evdev.c Mon Apr 8 01:23:45 2002
+++ b/drivers/input/evdev.c Mon Apr 8 01:23:45 2002
@@ -169,7 +169,7 @@
if (list->head == list->tail) {

add_wait_queue(&list->evdev->wait, &wait);
- current->state = TASK_INTERRUPTIBLE;
+ set_current_state(TASK_INTERRUPTIBLE);

while (list->head == list->tail) {

@@ -189,7 +189,7 @@
schedule();
}

- current->state = TASK_RUNNING;
+ set_current_state(TASK_RUNNING);
remove_wait_queue(&list->evdev->wait, &wait);
}

diff -Nru a/drivers/input/joydev.c b/drivers/input/joydev.c
--- a/drivers/input/joydev.c Mon Apr 8 01:23:46 2002
+++ b/drivers/input/joydev.c Mon Apr 8 01:23:46 2002
@@ -252,7 +252,7 @@
if (list->head == list->tail && list->startup == joydev->nabs + joydev->nkey) {

add_wait_queue(&list->joydev->wait, &wait);
- current->state = TASK_INTERRUPTIBLE;
+ set_current_state(TASK_INTERRUPTIBLE);

while (list->head == list->tail) {

@@ -268,7 +268,7 @@
schedule();
}

- current->state = TASK_RUNNING;
+ set_current_state(TASK_RUNNING);
remove_wait_queue(&list->joydev->wait, &wait);
}

diff -Nru a/drivers/input/mousedev.c b/drivers/input/mousedev.c
--- a/drivers/input/mousedev.c Mon Apr 8 01:23:45 2002
+++ b/drivers/input/mousedev.c Mon Apr 8 01:23:45 2002
@@ -346,7 +346,7 @@
if (!list->ready && !list->buffer) {

add_wait_queue(&list->mousedev->wait, &wait);
- current->state = TASK_INTERRUPTIBLE;
+ set_current_state(TASK_INTERRUPTIBLE);

while (!list->ready) {

@@ -362,7 +362,7 @@
schedule();
}

- current->state = TASK_RUNNING;
+ set_current_state(TASK_RUNNING);
remove_wait_queue(&list->mousedev->wait, &wait);
}


--
Paul P 'Stingray' Komkoff 'Greatest' Jr // (icq)23200764 // (irc)Spacebar
PPKJ1-RIPE // (smtp)i@stingr.net // (http)stingr.net // (pgp)0xA4B4ECA4
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