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Subject[PATCH] Convert refrigerator() to try_to_freeze()
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Date
Hi.

This patch removes the few remaining direct invocations of the
refrigerator in 2.6.13-rc3. In drivers/media/video/msp3400.c, it also
shifts the call to after the remove_wait_queue; this seems to be the
more appropriate place.

Regards,

Nigel

Signed-off by: Nigel Cunningham <nigel@suspend2.net>

drivers/media/video/msp3400.c | 4 +---
drivers/net/irda/stir4200.c | 2 +-
fs/jbd/journal.c | 2 +-
fs/jfs/jfs_logmgr.c | 2 +-
fs/jfs/jfs_txnmgr.c | 4 ++--
fs/xfs/linux-2.6/xfs_buf.c | 2 +-
6 files changed, 7 insertions(+), 9 deletions(-)
diff -ruNp 230-refrigerator-to-try_to_freeze.patch-old/drivers/media/video/msp3400.c 230-refrigerator-to-try_to_freeze.patch-new/drivers/media/video/msp3400.c
--- 230-refrigerator-to-try_to_freeze.patch-old/drivers/media/video/msp3400.c 2005-07-18 06:36:48.000000000 +1000
+++ 230-refrigerator-to-try_to_freeze.patch-new/drivers/media/video/msp3400.c 2005-07-18 13:54:48.000000000 +1000
@@ -741,11 +741,9 @@ static int msp34xx_sleep(struct msp3400c
schedule_timeout(msecs_to_jiffies(timeout));
}
}
- if (current->flags & PF_FREEZE) {
- refrigerator ();
- }

remove_wait_queue(&msp->wq, &wait);
+ try_to_freeze();
return msp->restart;
}

diff -ruNp 230-refrigerator-to-try_to_freeze.patch-old/drivers/net/irda/stir4200.c 230-refrigerator-to-try_to_freeze.patch-new/drivers/net/irda/stir4200.c
--- 230-refrigerator-to-try_to_freeze.patch-old/drivers/net/irda/stir4200.c 2005-07-18 06:36:51.000000000 +1000
+++ 230-refrigerator-to-try_to_freeze.patch-new/drivers/net/irda/stir4200.c 2005-07-18 08:20:58.000000000 +1000
@@ -771,7 +771,7 @@ static int stir_transmit_thread(void *ar

write_reg(stir, REG_CTRL1, CTRL1_TXPWD|CTRL1_RXPWD);

- refrigerator();
+ try_to_freeze();

if (change_speed(stir, stir->speed))
break;
diff -ruNp 230-refrigerator-to-try_to_freeze.patch-old/fs/jbd/journal.c 230-refrigerator-to-try_to_freeze.patch-new/fs/jbd/journal.c
--- 230-refrigerator-to-try_to_freeze.patch-old/fs/jbd/journal.c 2005-07-18 06:36:59.000000000 +1000
+++ 230-refrigerator-to-try_to_freeze.patch-new/fs/jbd/journal.c 2005-07-18 13:54:47.000000000 +1000
@@ -175,7 +175,7 @@ loop:
*/
jbd_debug(1, "Now suspending kjournald\n");
spin_unlock(&journal->j_state_lock);
- refrigerator();
+ try_to_freeze();
spin_lock(&journal->j_state_lock);
} else {
/*
diff -ruNp 230-refrigerator-to-try_to_freeze.patch-old/fs/jfs/jfs_logmgr.c 230-refrigerator-to-try_to_freeze.patch-new/fs/jfs/jfs_logmgr.c
--- 230-refrigerator-to-try_to_freeze.patch-old/fs/jfs/jfs_logmgr.c 2005-07-18 06:36:59.000000000 +1000
+++ 230-refrigerator-to-try_to_freeze.patch-new/fs/jfs/jfs_logmgr.c 2005-07-18 13:54:47.000000000 +1000
@@ -2361,7 +2361,7 @@ int jfsIOWait(void *arg)
}
if (freezing(current)) {
spin_unlock_irq(&log_redrive_lock);
- refrigerator();
+ try_to_freeze();
} else {
add_wait_queue(&jfs_IO_thread_wait, &wq);
set_current_state(TASK_INTERRUPTIBLE);
diff -ruNp 230-refrigerator-to-try_to_freeze.patch-old/fs/jfs/jfs_txnmgr.c 230-refrigerator-to-try_to_freeze.patch-new/fs/jfs/jfs_txnmgr.c
--- 230-refrigerator-to-try_to_freeze.patch-old/fs/jfs/jfs_txnmgr.c 2005-07-18 06:36:59.000000000 +1000
+++ 230-refrigerator-to-try_to_freeze.patch-new/fs/jfs/jfs_txnmgr.c 2005-07-18 13:54:47.000000000 +1000
@@ -2790,7 +2790,7 @@ int jfs_lazycommit(void *arg)

if (freezing(current)) {
LAZY_UNLOCK(flags);
- refrigerator();
+ try_to_freeze();
} else {
DECLARE_WAITQUEUE(wq, current);

@@ -2989,7 +2989,7 @@ int jfs_sync(void *arg)

if (freezing(current)) {
TXN_UNLOCK();
- refrigerator();
+ try_to_freeze();
} else {
DECLARE_WAITQUEUE(wq, current);

diff -ruNp 230-refrigerator-to-try_to_freeze.patch-old/fs/xfs/linux-2.6/xfs_buf.c 230-refrigerator-to-try_to_freeze.patch-new/fs/xfs/linux-2.6/xfs_buf.c
--- 230-refrigerator-to-try_to_freeze.patch-old/fs/xfs/linux-2.6/xfs_buf.c 2005-07-18 06:37:01.000000000 +1000
+++ 230-refrigerator-to-try_to_freeze.patch-new/fs/xfs/linux-2.6/xfs_buf.c 2005-07-18 13:54:48.000000000 +1000
@@ -1773,7 +1773,7 @@ xfsbufd(
do {
if (unlikely(freezing(current))) {
xfsbufd_force_sleep = 1;
- refrigerator();
+ try_to_freeze();
} else {
xfsbufd_force_sleep = 0;
}
--
Evolution.
Enumerate the requirements.
Consider the interdependencies.
Calculate the probabilities.
Be amazed that people believe it happened.

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