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    Subject[Suspend2][ 02/16] [Suspend2] Routines called when starting or finishing anything.
    Date
    Routines called when starting or completing any action.

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

    kernel/power/suspend.c | 51 ++++++++++++++++++++++++++++++++++++++++++++++++
    1 files changed, 51 insertions(+), 0 deletions(-)

    diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
    index 28bb91c..01c930a 100644
    --- a/kernel/power/suspend.c
    +++ b/kernel/power/suspend.c
    @@ -180,3 +180,54 @@ extern int block_dump;

    int block_dump_save;

    +/*
    + * Basic clean-up routine.
    + */
    +void suspend_finish_anything(int finishing_cycle)
    +{
    + if (atomic_dec_and_test(&actions_running)) {
    + suspend_cleanup_modules(finishing_cycle);
    + suspend_put_modules();
    + clear_suspend_state(SUSPEND_RUNNING);
    + }
    +
    + set_fs(oldfs);
    +
    + if (finishing_cycle)
    + block_dump = block_dump_save;
    +}
    +
    +/*
    + * Basic set-up routine.
    + */
    +int suspend_start_anything(int starting_cycle)
    +{
    + oldfs = get_fs();
    +
    + if (atomic_add_return(1, &actions_running) == 1) {
    + set_fs(KERNEL_DS);
    +
    + set_suspend_state(SUSPEND_RUNNING);
    +
    + if (suspend_get_modules()) {
    + printk("Get modules failed!\n");
    + clear_suspend_state(SUSPEND_RUNNING);
    + set_fs(oldfs);
    + return -EBUSY;
    + }
    +
    + if (suspend_initialise_modules(starting_cycle)) {
    + printk("Initialise modules failed!\n");
    + suspend_finish_anything(starting_cycle);
    + return -EBUSY;
    + }
    +
    + if (starting_cycle) {
    + block_dump_save = block_dump;
    + block_dump = 0;
    + }
    + }
    +
    + return 0;
    +}
    +
    --
    Nigel Cunningham nigel at suspend2 dot net
    -
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