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linux-next/include/linux/cmdline-parser.h
CaiZhiyong bca266b388 block: remove unrelated header files and export symbol
Fix up the following items:

 - remove unrelated header files.
 - export interface function.
 - modify function cmdline_parts_parse return value, this will make
   it more friendly for the caller.

Signed-off-by: CaiZhiyong <caizhiyong@huawei.com>
Cc: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
CC: Brian Norris <computersforpeace@gmail.com>
Cc: "Wanglin (Albert)" <albert.wanglin@hisilicon.com>
Cc: Artem Bityutskiy <dedekind1@gmail.com>
Cc: Karel Zak <kzak@redhat.com>
Cc: Shmulik Ladkani <shmulik.ladkani@gmail.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
2014-01-21 20:18:26 -08:00

46 lines
1.2 KiB
C

/*
* Parsing command line, get the partitions information.
*
* Written by Cai Zhiyong <caizhiyong@huawei.com>
*
*/
#ifndef CMDLINEPARSEH
#define CMDLINEPARSEH
#include <linux/blkdev.h>
#include <linux/fs.h>
#include <linux/slab.h>
/* partition flags */
#define PF_RDONLY 0x01 /* Device is read only */
#define PF_POWERUP_LOCK 0x02 /* Always locked after reset */
struct cmdline_subpart {
char name[BDEVNAME_SIZE]; /* partition name, such as 'rootfs' */
sector_t from;
sector_t size;
int flags;
struct cmdline_subpart *next_subpart;
};
struct cmdline_parts {
char name[BDEVNAME_SIZE]; /* block device, such as 'mmcblk0' */
unsigned int nr_subparts;
struct cmdline_subpart *subpart;
struct cmdline_parts *next_parts;
};
void cmdline_parts_free(struct cmdline_parts **parts);
int cmdline_parts_parse(struct cmdline_parts **parts, const char *cmdline);
struct cmdline_parts *cmdline_parts_find(struct cmdline_parts *parts,
const char *bdev);
int cmdline_parts_set(struct cmdline_parts *parts, sector_t disk_size,
int slot,
int (*add_part)(int, struct cmdline_subpart *, void *),
void *param);
#endif /* CMDLINEPARSEH */