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    Subject[PATCH] trivial patch to dm-io.c

    Here's trivial patches to dm-io.c. Just adds static declarations, and adds
    dm_io_sync_bvec() to the list of EXPORT_SYMBOL functions.


    diff -ur linux-2.6.6-rc2-udm1-original/drivers/md/dm-io.c linux-2.6.6-rc2-udm1-patched/drivers/md/dm-io.c
    --- linux-2.6.6-rc2-udm1-original/drivers/md/dm-io.c 2004-04-27 15:36:39.000000000 -0700
    +++ linux-2.6.6-rc2-udm1-patched/drivers/md/dm-io.c 2004-04-27 15:36:04.000000000 -0700
    @@ -369,7 +369,7 @@
    /*
    * Functions for getting the pages from a list.
    */
    -void list_get_page(struct dpages *dp,
    +static void list_get_page(struct dpages *dp,
    struct page **p, unsigned long *len, unsigned *offset)
    {
    unsigned o = dp->context_u;
    @@ -380,14 +380,14 @@
    *offset = o;
    }

    -void list_next_page(struct dpages *dp)
    +static void list_next_page(struct dpages *dp)
    {
    struct page_list *pl = (struct page_list *) dp->context_ptr;
    dp->context_ptr = pl->next;
    dp->context_u = 0;
    }

    -void list_dp_init(struct dpages *dp, struct page_list *pl, unsigned offset)
    +static void list_dp_init(struct dpages *dp, struct page_list *pl, unsigned offset)
    {
    dp->get_page = list_get_page;
    dp->next_page = list_next_page;
    @@ -398,7 +398,7 @@
    /*
    * Functions for getting the pages from a bvec.
    */
    -void bvec_get_page(struct dpages *dp,
    +static void bvec_get_page(struct dpages *dp,
    struct page **p, unsigned long *len, unsigned *offset)
    {
    struct bio_vec *bvec = (struct bio_vec *) dp->context_ptr;
    @@ -407,20 +407,20 @@
    *offset = bvec->bv_offset;
    }

    -void bvec_next_page(struct dpages *dp)
    +static void bvec_next_page(struct dpages *dp)
    {
    struct bio_vec *bvec = (struct bio_vec *) dp->context_ptr;
    dp->context_ptr = bvec + 1;
    }

    -void bvec_dp_init(struct dpages *dp, struct bio_vec *bvec)
    +static void bvec_dp_init(struct dpages *dp, struct bio_vec *bvec)
    {
    dp->get_page = bvec_get_page;
    dp->next_page = bvec_next_page;
    dp->context_ptr = bvec;
    }

    -void vm_get_page(struct dpages *dp,
    +static void vm_get_page(struct dpages *dp,
    struct page **p, unsigned long *len, unsigned *offset)
    {
    *p = vmalloc_to_page(dp->context_ptr);
    @@ -428,13 +428,13 @@
    *len = PAGE_SIZE - dp->context_u;
    }

    -void vm_next_page(struct dpages *dp)
    +static void vm_next_page(struct dpages *dp)
    {
    dp->context_ptr += PAGE_SIZE - dp->context_u;
    dp->context_u = 0;
    }

    -void vm_dp_init(struct dpages *dp, void *data)
    +static void vm_dp_init(struct dpages *dp, void *data)
    {
    dp->get_page = vm_get_page;
    dp->next_page = vm_next_page;
    @@ -516,7 +516,7 @@
    dec_count(io, 0, 0);
    }

    -int sync_io(unsigned int num_regions, struct io_region *where,
    +static int sync_io(unsigned int num_regions, struct io_region *where,
    int rw, struct dpages *dp, unsigned long *error_bits)
    {
    struct io io;
    @@ -546,7 +546,7 @@
    return io.error ? -EIO : 0;
    }

    -int async_io(unsigned int num_regions, struct io_region *where, int rw,
    +static int async_io(unsigned int num_regions, struct io_region *where, int rw,
    struct dpages *dp, io_notify_fn fn, void *context)
    {
    struct io *io = mempool_alloc(_io_pool, GFP_NOIO);
    @@ -615,6 +615,7 @@
    EXPORT_SYMBOL(dm_io_put);
    EXPORT_SYMBOL(dm_io_sync);
    EXPORT_SYMBOL(dm_io_async);
    +EXPORT_SYMBOL(dm_io_sync_bvec);
    EXPORT_SYMBOL(dm_io_async_bvec);
    EXPORT_SYMBOL(dm_io_sync_vm);
    EXPORT_SYMBOL(dm_io_async_vm);
    -
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