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    SubjectRe: 2.6.24-rc6-mm1 (driver core/sysfs)
    On Sat, 22 Dec 2007 23:30:56 -0800 Andrew Morton wrote:

    >
    > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.24-rc6/2.6.24-rc6-mm1/


    With CONFIG_BLOCK=n:

    LD drivers/block/built-in.o
    /local/linsrc/linux-2.6.24-rc6-mm1/drivers/base/core.c: In function 'device_add_class_symlinks':
    /local/linsrc/linux-2.6.24-rc6-mm1/drivers/base/core.c:707: error: 'part_type' undeclared (first use in this function)
    /local/linsrc/linux-2.6.24-rc6-mm1/drivers/base/core.c: In function 'device_remove_class_symlinks':
    /local/linsrc/linux-2.6.24-rc6-mm1/drivers/base/core.c:746: error: 'part_type' undeclared (first use in this function)
    make[3]: *** [drivers/base/core.o] Error 1


    and that is after fixing (in some sense) the first CONFIG_BLOCK=n
    problem with the patch below. Please test lots of configs.
    and/or use 'make randconfig' (automated, scripted, e.g., etc.).
    maybe check Documentation/SubmitChecklist. :)

    ---

    From: Randy Dunlap <randy.dunlap@oracle.com>

    Parts of driver core use blk_lookup_devt() when CONFIG_BLOCK=n,
    so provide an short inline version of it for that case.

    Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
    ---
    include/linux/genhd.h | 7 +++++++
    1 file changed, 7 insertions(+)

    --- linux-2.6.24-rc6-mm1.orig/include/linux/genhd.h
    +++ linux-2.6.24-rc6-mm1/include/linux/genhd.h
    @@ -10,6 +10,7 @@
    */

    #include <linux/types.h>
    +#include <linux/kdev_t.h>

    #ifdef CONFIG_BLOCK

    @@ -443,6 +444,12 @@ static inline struct block_device *bdget

    static inline void printk_all_partitions(void) { }

    +static inline dev_t blk_lookup_devt(const char *name)
    +{
    + dev_t devt = MKDEV(0, 0);
    + return devt;
    +}
    +
    #endif /* CONFIG_BLOCK */

    #endif

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