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    Subject[Suspend2][ 02/35] [Suspend2] Filewriter set_devinfo patch.
    Date
    Tell the block io routines which device and blocks to use.

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

    kernel/power/suspend_file.c | 11 +++++++++++
    1 files changed, 11 insertions(+), 0 deletions(-)

    diff --git a/kernel/power/suspend_file.c b/kernel/power/suspend_file.c
    index 525e482..36db6b8 100644
    --- a/kernel/power/suspend_file.c
    +++ b/kernel/power/suspend_file.c
    @@ -94,3 +94,14 @@ enum {
    MARK_RESUME_ATTEMPTED,
    };

    +static void set_devinfo(struct block_device *bdev, int target_blkbits)
    +{
    + devinfo.bdev = bdev;
    + if (!target_blkbits) {
    + devinfo.bmap_shift = devinfo.blocks_per_page = 0;
    + } else {
    + devinfo.bmap_shift = target_blkbits - 9;
    + devinfo.blocks_per_page = (1 << (PAGE_SHIFT - target_blkbits));
    + }
    +}
    +
    --
    Nigel Cunningham nigel at suspend2 dot net
    -
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