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.
> 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 {
> /*
They probably tested it before, why test again?
> 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);
See? You are needlessly testing condition twice.
Pavel
--
teflon -- maybe it is a trademark, but it should not be.
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