Re: [PATCH] block: add documentation for register_blkdev()
From: Jens Axboe
Date: Fri Feb 20 2009 - 02:14:56 EST
On Fri, Feb 20 2009, Németh Márton wrote:
> From: Márton Németh <nm127@xxxxxxxxxxx>
>
> Add documentation for register_blkdev() function and for the parameters.
>
> Signed-off-by: Márton Németh <nm127@xxxxxxxxxxx>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxx>
Thanks Márton, applied.
>
> ---
> --- linux-2.6.29-rc5/block/genhd.c.orig 2009-02-14 18:36:39.000000000 +0100
> +++ linux-2.6.29-rc5/block/genhd.c 2009-02-20 06:53:56.000000000 +0100
> @@ -256,6 +256,22 @@ void blkdev_show(struct seq_file *seqf,
> }
> #endif /* CONFIG_PROC_FS */
>
> +/**
> + * register_blkdev - register a new block device
> + *
> + * @major: the requested major device number [1..255]. If @major=0, try to
> + * allocate any unused major number.
> + * @name: the name of the new block device as a zero terminated string
> + *
> + * The @name must be unique within the system.
> + *
> + * The return value depends on the @major input parameter.
> + * - if a major device number was requested in range [1..255] then the
> + * function returns zero on success, or a negative error code
> + * - if any unused major number was requested with @major=0 parameter
> + * then the return value is the allocated major number in range
> + * [1..255] or a negative error code otherwise
> + */
> int register_blkdev(unsigned int major, const char *name)
> {
> struct blk_major_name **n, *p;
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
--
Jens Axboe
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/