cregit-Linux how code gets into the kernel

Release 4.12 include/linux/cmdline-parser.h

Directory: include/linux
 * Parsing command line, get the partitions information.
 * Written by Cai Zhiyong <>


#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 */

Overall Contributors

Cai Zhiyong15296.20%266.67%
Alexander Beregalov63.80%133.33%
Directory: include/linux
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