From: Márton Németh <[email protected]> Add documentation for register_blkdev() function and for the parameters.
Signed-off-by: Márton Németh <[email protected]> Cc: Greg Kroah-Hartman <[email protected]> --- --- 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; ------------------------------------------------------------------------------ Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA -OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise -Strategies to boost innovation and cut costs with open source participation -Receive a $600 discount off the registration fee with the source code: SFAD http://p.sf.net/sfu/XcvMzF8H _______________________________________________ Ltp-list mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ltp-list
