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    Subject[PATCH 03/21] Hibernation: Add mass swap allocation routine
    Date
    Add a routine to allocate swap from a device en masse. This is only
    for use by the in-kernel implementation, not uswsusp.

    Signed-off-by: Nigel Cunningham <nigel@tuxonice.net>
    ---
    kernel/power/swap.c | 13 +++++++++++++
    1 files changed, 13 insertions(+), 0 deletions(-)

    diff --git a/kernel/power/swap.c b/kernel/power/swap.c
    index e555b6c..550c1ed 100644
    --- a/kernel/power/swap.c
    +++ b/kernel/power/swap.c
    @@ -187,6 +187,19 @@ sector_t alloc_swapdev_block(int swap)
    return 0;
    }

    +int alloc_swapdev_blocks(int needed)
    +{
    + int i;
    +
    + for (i = 0; i < needed; i++) {
    + sector_t res = alloc_swapdev_block(root_swap);
    + if (!res)
    + break;
    + }
    +
    + return i;
    +}
    +
    /**
    * free_all_swap_pages - free swap pages allocated for saving image data.
    * It also frees the extents used to register which swap entres had been
    --
    1.7.0.4


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