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    Subject1/19
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    Four constants:
    DM_DIR,
    DM_MAX_TYPE_NAME,
    DM_NAME_LEN,
    DM_UUID_LEN

    Were being declared in device-mapper.h, these are all specific to
    the ioctl interface, so they've been moved to dm-ioctl.h. Nobody
    in userland should ever include <linux/device-mapper.h> so remove
    ifdef __KERNEL guards.
    --- diff/include/linux/device-mapper.h 2002-11-11 11:09:38.000000000 +0000
    +++ source/include/linux/device-mapper.h 2002-12-16 09:40:25.000000000 +0000
    @@ -7,13 +7,6 @@
    #ifndef _LINUX_DEVICE_MAPPER_H
    #define _LINUX_DEVICE_MAPPER_H

    -#define DM_DIR "mapper" /* Slashes not supported */
    -#define DM_MAX_TYPE_NAME 16
    -#define DM_NAME_LEN 128
    -#define DM_UUID_LEN 129
    -
    -#ifdef __KERNEL__
    -
    struct dm_target;
    struct dm_table;
    struct dm_dev;
    @@ -101,6 +94,4 @@
    int dm_register_target(struct target_type *t);
    int dm_unregister_target(struct target_type *t);

    -#endif /* __KERNEL__ */
    -
    #endif /* _LINUX_DEVICE_MAPPER_H */
    --- diff/include/linux/dm-ioctl.h 2002-11-11 11:09:38.000000000 +0000
    +++ source/include/linux/dm-ioctl.h 2002-12-16 09:40:25.000000000 +0000
    @@ -7,9 +7,13 @@
    #ifndef _LINUX_DM_IOCTL_H
    #define _LINUX_DM_IOCTL_H

    -#include <linux/device-mapper.h>
    #include <linux/types.h>

    +#define DM_DIR "mapper" /* Slashes not supported */
    +#define DM_MAX_TYPE_NAME 16
    +#define DM_NAME_LEN 128
    +#define DM_UUID_LEN 129
    +
    /*
    * Implements a traditional ioctl interface to the device mapper.
    */
    -
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