P-EDF updat
struct disk_eventsstruct gendisk {
/* major, first_minor and minors are input parameters only,
* don't use directly. Use disk_devt() and disk_max_parts().
*/
int major; /* major number of driver */
int first_minor;
int minors; /* maximum number of minors, =1 for
* disks that can't be partitioned. */
char disk_name[DISK_NAME_LEN]; /* name of major driver */
char *(*devnode)(struct gendisk *gd, mode_t *mode);
unsigned int events; /* supported events */
unsigned int async_events; /* async events, subset of all */
/* Array of pointers to partitions indexed by partno.
* Protected with matching bdev lock but stat and other
* non-critical accesses use RCU. Always access through
* helpers.
*/
struct disk_part_tbl __rcu *part_tbl;
struct hd_struct part0;
const struct block_device_operations *fops;
struct request_queue *queue;
void *private_data;
int flags;
struct device *driverfs_dev; // FIXME: remove
struct kobject *slave_dir;
struct timer_rand_state *random;
atomic_t sync_io; /* RAID */
struct disk_events *ev;
#ifdef CONFIG_BLK_DEV_INTEGRITY
struct blk_integrity *integrity;
#endif
int node_id;
};
static inline struct gendisk *part_to_disk(struct hd_struct *part)
{
if (likely(part)) {
if (part->partno)
return dev_to_disk(part_to_dev(part)->parent);
else
return dev_to_disk(part_to_dev(part));
}
return NULL;
}
static inline void part_pack_uuid(const u8 *uuid_str, u8 *to)
{
int i;
for (i = 0; i < 16; ++i) {
*to++ = (hex_to_bin(*uuid_str) << 4) |
(hex_to_bin(*(uuid_str + 1)));
uuid_str += 2;
switch (i) {
case| Tag | Download | Author | Age |
|---|
| 2015.1 | commit 8e51b37822... | Bjoern Brandenburg | 10 years |
| 2013.1 | commit bcaacec1ca... | Glenn Elliott | 12 years |
| 2012.3 | commit c158b5fbe4... | Jonathan Herman | 13 years |
| 2012.2 | commit b53c479a0f... | Glenn Elliott | 13 years |
| 2012.1 | commit 83b11ea1c6... | Bjoern B. Brandenburg | 14 years |
| rtas12-mc-beta-exp | commit 8e236ee20f... | Christopher Kenna | 14 years |
| 2011.1 | commit d11808b5c6... | Christopher Kenna | 15 years |
| v2.6.37-rc4 | commit e8a7e48bb2... | Linus Torvalds | 15 years |
| v2.6.37-rc3 | commit 3561d43fd2... | Linus Torvalds | 15 years |
| v2.6.37-rc2 | commit e53beacd23... | Linus Torvalds | 15 years |
| v2.6.37-rc1 | commit c8ddb2713c... | Linus Torvalds | 15 years |
| v2.6.36 | commit f6f94e2ab1... | Linus Torvalds | 15 years |
| 2010.2 | commit 5c5456402d... | Bjoern B. Brandenburg | 15 years |
| v2.6.36-rc8 | commit cd07202cc8... | Linus Torvalds | 15 years |
| v2.6.36-rc7 | commit cb655d0f3d... | Linus Torvalds | 15 years |
| v2.6.36-rc6 | commit 899611ee7d... | Linus Torvalds | 15 years |
| v2.6.36-rc5 | commit b30a3f6257... | Linus Torvalds | 15 years |
| v2.6.36-rc4 | commit 49553c2ef8... | Linus Torvalds | 15 years |
| v2.6.36-rc3 | commit 2bfc96a127... | Linus Torvalds | 15 years |
| v2.6.36-rc2 | commit 76be97c1fc... | Linus Torvalds | 15 years |
| v2.6.36-rc1 | commit da5cabf80e... | Linus Torvalds | 15 years |
| v2.6.35 | commit 9fe6206f40... | Linus Torvalds | 15 years |
| v2.6.35-rc6 | commit b37fa16e78... | Linus Torvalds | 15 years |
| v2.6.35-rc5 | commit 1c5474a65b... | Linus Torvalds | 15 years |
| v2.6.35-rc4 | commit 815c4163b6... | Linus Torvalds | 15 years |
| v2.6.35-rc3 | commit 7e27d6e778... | Linus Torvalds | 15 years |
| v2.6.35-rc2 | commit e44a21b726... | Linus Torvalds | 15 years |
| v2.6.35-rc1 | commit 67a3e12b05... | Linus Torvalds | 15 years |
| 2010.1 | commit 7c1ff4c544... | Andrea Bastoni | 15 years |
| v2.6.34 | commit e40152ee1e... | Linus Torvalds | 15 years |
| v2.6.33.4 | commit 4640b4e7d9... | Greg Kroah-Hartman | 15 years |
| v2.6.34-rc7 | commit b57f95a382... | Linus Torvalds | 15 years |
| v2.6.34-rc6 | commit 66f41d4c5c... | Linus Torvalds | 15 years |
| v2.6.33.3 | commit 3e7ad8ed97... | Greg Kroah-Hartman | 15 years |
| v2.6.34-rc5 | commit 01bf0b6457... | Linus Torvalds | 15 years |
| v2.6.34-rc4 | commit 0d0fb0f9c5... | Linus Torvalds | 15 years |
| v2.6.33.2 | commit 19f00f070c... | Greg Kroah-Hartman | 15 years |
| v2.6.34-rc3 | commit 2eaa9cfdf3... | Linus Torvalds | 15 years |
| v2.6.34-rc2 | commit 220bf991b0... | Linus Torvalds | 15 years |
| v2.6.33.1 | commit dbdafe5ccf... | Greg Kroah-Hartman | 16 years |
| v2.6.34-rc1 | commit 57d54889cd... | Linus Torvalds | 16 years |
| v2.6.33 | commit 60b341b778... | Linus Torvalds | 16 years |
| v2.6.33-rc8 | commit 724e6d3fe8... | Linus Torvalds | 16 years |
| v2.6.33-rc7 | commit 29275254ca... | Linus Torvalds | 16 years |
| v2.6.33-rc6 | commit abe94c756c... | Linus Torvalds | 16 years |
| v2.6.33-rc5 | commit 92dcffb916... | Linus Torvalds | 16 years |
| v2.6.33-rc4 | commit 7284ce6c9f... | Linus Torvalds | 16 years |
| v2.6.33-rc3 | commit 74d2e4f8d7... | Linus Torvalds | 16 years |
| v2.6.33-rc2 | commit 6b7b284958... | Linus Torvalds | 16 years |
| v2.6.33-rc1 | commit 55639353a0... | Linus Torvalds | 16 years |
| v2.6.32 | commit 22763c5cf3... | Linus Torvalds | 16 years |
| v2.6.32-rc8 | commit 648f4e3e50... | Linus Torvalds | 16 years |
| v2.6.32-rc7 | commit 156171c71a... | Linus Torvalds | 16 years |
| v2.6.32-rc6 | commit b419148e56... | Linus Torvalds | 16 years |
| v2.6.32-rc5 | commit 012abeea66... | Linus Torvalds | 16 years |
| v2.6.32-rc4 | commit 161291396e... | Linus Torvalds | 16 years |
| v2.6.32-rc3 | commit 374576a8b6... | Linus Torvalds | 16 years |
| v2.6.32-rc1 | commit 17d857be64... | Linus Torvalds | 16 years |
| v2.6.32-rc2 | commit 17d857be64... | Linus Torvalds | 16 years |
| v2.6.31 | commit 74fca6a428... | Linus Torvalds | 16 years |
| v2.6.31-rc9 | commit e07cccf404... | Linus Torvalds | 16 years |
| v2.6.31-rc8 | commit 326ba5010a... | Linus Torvalds | 16 years |
| v2.6.31-rc7 | commit 422bef879e... | Linus Torvalds | 16 years |
| v2.6.31-rc6 | commit 64f1607ffb... | Linus Torvalds | 16 years |
| v2.6.31-rc5 | commit ed680c4ad4... | Linus Torvalds | 16 years |
| v2.6.31-rc4 | commit 4be3bd7849... | Linus Torvalds | 16 years |
| v2.6.31-rc3 | commit 6847e154e3... | Linus Torvalds | 16 years |
| v2.6.31-rc2 | commit 8e4a718ff3... | Linus Torvalds | 16 years |
| v2.6.31-rc1 | commit 28d0325ce6... | Linus Torvalds | 16 years |
| v2.6.30 | commit 07a2039b8e... | Linus Torvalds | 16 years |
| v2.6.30-rc8 | commit 9fa7eb283c... | Linus Torvalds | 16 years |
| v2.6.30-rc7 | commit 59a3759d0f... | Linus Torvalds | 16 years |
| v2.6.30-rc6 | commit 1406de8e11... | Linus Torvalds | 16 years |
| v2.6.30-rc5 | commit 091bf7624d... | Linus Torvalds | 16 years |
| v2.6.30-rc4 | commit 091438dd56... | Linus Torvalds | 16 years |
| v2.6.30-rc3 | commit 0910697403... | Linus Torvalds | 16 years |
| v2.6.30-rc2 | commit 0882e8dd3a... | Linus Torvalds | 16 years |
| v2.6.30-rc1 | commit 577c9c456f... | Linus Torvalds | 16 years |
| v2.6.29 | commit 8e0ee43bc2... | Linus Torvalds | 16 years |
| v2.6.29-rc8 | commit 041b62374c... | Linus Torvalds | 17 years |
| v2.6.29-rc7 | commit fec6c6fec3... | Linus Torvalds | 17 years |
| v2.6.29-rc6 | commit 20f4d6c3a2... | Linus Torvalds | 17 years |
| v2.6.29-rc5 | commit d2f8d7ee1a... | Linus Torvalds | 17 years |
| v2.6.29-rc4 | commit 8e4921515c... | Linus Torvalds | 17 years |
| v2.6.29-rc3 | commit 18e352e4a7... | Linus Torvalds | 17 years |
| v2.6.29-rc2 | commit 1de9e8e70f... | Linus Torvalds | 17 years |
| v2.6.29-rc1 | commit c59765042f... | Linus Torvalds | 17 years |
| v2.6.28 | commit 4a6908a3a0... | Linus Torvalds | 17 years |
| v2.6.28-rc9 | commit 929096fe9f... | Linus Torvalds | 17 years |
| v2.6.28-rc8 | commit 8b1fae4e42... | Linus Torvalds | 17 years |
| v2.6.28-rc7 | commit 061e41fdb5... | Linus Torvalds | 17 years |
| v2.6.28-rc6 | commit 13d428afc0... | Linus Torvalds | 17 years |
| v2.6.28-rc5 | commit 9bf1a2445
#define UNIXWARE_NUMSLICE 16
#define UNIXWARE_FS_UNUSED 0 /* Unused slice entry ID */
struct unixware_slice {
__le16 s_label; /* label */
__le16 s_flags; /* permission flags */
__le32 start_sect; /* starting sector */
__le32 nr_sects; /* number of sectors in slice */
};
struct unixware_disklabel {
__le32 d_type; /* drive type */
__le32 d_magic; /* the magic number */
__le32 d_version; /* version number */
char d_serial[12]; /* serial number of the device */
__le32 d_ncylinders; /* # of data cylinders per device */
__le32 d_ntracks; /* # of tracks per cylinder */
__le32 d_nsectors; /* # of data sectors per track */
__le32 d_secsize; /* # of bytes per sector */
__le32 d_part_start; /* # of first sector of this partition */
__le32 d_unknown1[12]; /* ? */
__le32 d_alt_tbl; /* byte offset of alternate table */
__le32 d_alt_len; /* byte length of alternate table */
__le32 d_phys_cyl; /* # of physical cylinders per device */
__le32 d_phys_trk; /* # of physical tracks per cylinder */
__le32 d_phys_sec; /* # of physical sectors per track */
__le32 d_phys_bytes; /* # of physical bytes per sector */
__le32 d_unknown2; /* ? */
__le32 d_unknown3; /* ? */
__le32 d_pad[8]; /* pad */
struct unixware_vtoc {
__le32 v_magic; /* the magic number */
__le32 v_version; /* version number */
char v_name[8]; /* volume name */
__le16 v_nslices; /* # of slices */
__le16 v_unknown1; /* ? */
__le32 v_reserved[10]; /* reserved */
struct unixware_slice
v_slice[UNIXWARE_NUMSLICE]; /* slice headers */
} vtoc;
}; /* 408 */
#endif /* CONFIG_UNIXWARE_DISKLABEL */
#ifdef CONFIG_MINIX_SUBPARTITION
# define MINIX_NR_SUBPARTITIONS 4
#endif /* CONFIG_MINIX_SUBPARTITION */
#define ADDPART_FLAG_NONE 0
#define ADDPART_FLAG_RAID 1
#define ADDPART_FLAG_WHOLEDISK 2
extern int blk_alloc_devt(struct hd_struct *part, dev_t *devt);
extern void blk_free_devt(dev_t devt);
extern dev_t blk_lookup_devt(const char *name, int partno);
extern char *disk_name (struct gendisk *hd, int partno, char *buf);
extern int disk_expand_part_tbl(struct gendisk *disk, int target);
extern int rescan_partitions(struct gendisk *disk, struct block_device *bdev);
extern struct hd_struct * __must_check add_partition(struct gendisk *disk,
int partno, sector_t start,
sector_t len, int flags,
struct partition_meta_info
*info);
extern void __delete_partition(struct hd_struct *);
extern void delete_partition(struct gendisk *, int);
extern void printk_all_partitions(void);
extern struct gendisk *alloc_disk_node(int minors, int node_id);
extern struct gendisk *alloc_disk(int minors);
extern struct kobject *get_disk(struct gendisk *disk);
extern void put_disk(struct gendisk *disk);
extern void blk_register_region(dev_t devt, unsigned long range,
struct module *module,
struct kobject *(*probe)(dev_t, int *, void *),
int (*lock)(dev_t, void *),
void *data);
extern void blk_unregister_region(dev_t devt, unsigned long range);
extern ssize_t part_size_show(struct device *dev,
struct device_attribute *attr, char *buf);
extern ssize_t part_stat_show(struct device *dev,
struct device_attribute *attr, char *buf);
extern ssize_t part_inflight_show(struct device *dev,
struct device_attribute *attr, char *buf);
#ifdef CONFIG_FAIL_MAKE_REQUEST
extern ssize_t part_fail_show(struct device *dev,
struct device_attribute *attr, char *buf);
extern ssize_t part_fail_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count);
#endif /* CONFIG_FAIL_MAKE_REQUEST */
static inline void hd_ref_init(struct hd_struct *part)
{
atomic_set(&part->ref, 1);
smp_mb();
}
static inline void hd_struct_get(struct hd_struct *part)
{
atomic_inc(&part->ref);
smp_mb__after_atomic_inc();
}
static inline int hd_struct_try_get(struct hd_struct *part)
{
return atomic_inc_not_zero(&part->ref);
}
static inline void hd_struct_put(struct hd_struct *part)
{
if (atomic_dec_and_test(&part->ref))
__delete_partition(part);
}
#else /* CONFIG_BLOCK */
static inline void printk_all_partitions(void) { }
static inline dev_t blk_lookup_devt(const char *name, int partno)
{
dev_t devt = MKDEV(0, 0);
return devt;
}
#endif /* CONFIG_BLOCK */
#endif /* _LINUX_GENHD_H */
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