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block: remove unrelated header files and export symbol

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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>
This commit is contained in:
CaiZhiyong 2014-01-21 14:39:25 -08:00 committed by Jens Axboe
parent 6753471c0c
commit bca266b388
2 changed files with 15 additions and 11 deletions
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12
block/cmdline-parser.c
View File

@ -4,8 +4,7 @@
* Written by Cai Zhiyong <caizhiyong@huawei.com>
*
*/
#include <linux/buffer_head.h>
#include <linux/module.h>
#include <linux/export.h>
#include <linux/cmdline-parser.h>
static int parse_subpart(struct cmdline_subpart **subpart, char *partdef)
@ -159,6 +158,7 @@ void cmdline_parts_free(struct cmdline_parts **parts)
*parts = next_parts;
}
}
EXPORT_SYMBOL(cmdline_parts_free);
int cmdline_parts_parse(struct cmdline_parts **parts, const char *cmdline)
{
@ -206,6 +206,7 @@ fail:
cmdline_parts_free(parts);
goto done;
}
EXPORT_SYMBOL(cmdline_parts_parse);
struct cmdline_parts *cmdline_parts_find(struct cmdline_parts *parts,
const char *bdev)
@ -214,17 +215,17 @@ struct cmdline_parts *cmdline_parts_find(struct cmdline_parts *parts,
parts = parts->next_parts;
return parts;
}
EXPORT_SYMBOL(cmdline_parts_find);
/*
* add_part()
* 0 success.
* 1 can not add so many partitions.
*/
void cmdline_parts_set(struct cmdline_parts *parts, sector_t disk_size,
int cmdline_parts_set(struct cmdline_parts *parts, sector_t disk_size,
int slot,
int (*add_part)(int, struct cmdline_subpart *, void *),
void *param)
{
sector_t from = 0;
struct cmdline_subpart *subpart;
@ -247,4 +248,7 @@ void cmdline_parts_set(struct cmdline_parts *parts, sector_t disk_size,
if (add_part(slot, subpart, param))
break;
}
return slot;
}
EXPORT_SYMBOL(cmdline_parts_set);

2
include/linux/cmdline-parser.h
View File

@ -37,7 +37,7 @@ int cmdline_parts_parse(struct cmdline_parts **parts, const char *cmdline);
struct cmdline_parts *cmdline_parts_find(struct cmdline_parts *parts,
const char *bdev);
void cmdline_parts_set(struct cmdline_parts *parts, sector_t disk_size,
int cmdline_parts_set(struct cmdline_parts *parts, sector_t disk_size,
int slot,
int (*add_part)(int, struct cmdline_subpart *, void *),
void *param);