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    Subject[PATCH 04/10] Introduce ridr_init()
    [PATCH 04/10]

    This patch introduces the ridr_init() routine.

    Signed-off-by: Nadia Derbey <Nadia.Derbey@bull.net>

    ---
    include/linux/ridr.h | 1 +
    lib/ridr.c | 14 ++++++++++++++
    2 files changed, 15 insertions(+)

    Index: linux-2.6.25-mm1/include/linux/ridr.h
    ===================================================================
    --- linux-2.6.25-mm1.orig/include/linux/ridr.h 2008-04-29 13:14:56.000000000 +0200
    +++ linux-2.6.25-mm1/include/linux/ridr.h 2008-04-29 13:21:56.000000000 +0200
    @@ -44,6 +44,7 @@ struct ridr {
    * This is what we export.
    */
    int ridr_pre_get(struct ridr *, gfp_t);
    +void ridr_init(struct ridr *);


    void __init ridr_init_cache(void);
    Index: linux-2.6.25-mm1/lib/ridr.c
    ===================================================================
    --- linux-2.6.25-mm1.orig/lib/ridr.c 2008-04-29 13:17:59.000000000 +0200
    +++ linux-2.6.25-mm1/lib/ridr.c 2008-04-29 13:23:17.000000000 +0200
    @@ -70,3 +70,17 @@ void __init ridr_init_cache(void)
    ridr_cache_ctor);
    }

    +/**
    + * ridr_init - initialize ridr handle
    + * @idp: ridr handle
    + *
    + * This function is used to set up the handle (@idp) that you will pass
    + * to the rest of the functions.
    + */
    +void ridr_init(struct ridr *idp)
    +{
    + memset(idp, 0, sizeof(struct ridr));
    + spin_lock_init(&idp->lock);
    +}
    +EXPORT_SYMBOL(ridr_init);
    +
    --


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