Messages in this thread | | | Date | Fri, 20 Feb 2009 08:12:18 +0100 | From | Jens Axboe <> | Subject | Re: [PATCH] block: add documentation for register_blkdev() |
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On Fri, Feb 20 2009, Németh Márton wrote: > From: Márton Németh <nm127@freemail.hu> > > Add documentation for register_blkdev() function and for the parameters. > > Signed-off-by: Márton Németh <nm127@freemail.hu> > Cc: Greg Kroah-Hartman <gregkh@suse.de>
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@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/
-- Jens Axboe
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