github/open-cas-linux
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Clean cas_disk_defs.h header

Browse Source 
Move definitions used only in only one source code file to that file.

Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
This commit is contained in:
Robert Baldyga 2022-09-01 08:44:28 +02:00
parent 320c998a1d
commit ba7f693cff
4 changed files with 37 additions and 37 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
modules/cas_disk/cas_disk_defs.h
View File

@ -28,43 +28,6 @@ struct casdsk_module {
extern struct casdsk_module *casdsk_module;
#define CASDSK_LOGO "CAS Disk"
static inline struct block_device *open_bdev_exclusive(const char *path,
fmode_t mode,
void *holder)
{
return blkdev_get_by_path(path, mode | FMODE_EXCL, holder);
}
static inline void close_bdev_exclusive(struct block_device *bdev, fmode_t mode)
{
blkdev_put(bdev, mode | FMODE_EXCL);
}
static inline int bd_claim_by_disk(struct block_device *bdev, void *holder,
struct gendisk *disk)
{
return bd_link_disk_holder(bdev, disk);
}
static inline void bd_release_from_disk(struct block_device *bdev,
struct gendisk *disk)
{
return bd_unlink_disk_holder(bdev, disk);
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 3, 0)
#define KRETURN(x) ({ return (x); })
#define MAKE_RQ_RET_TYPE blk_qc_t
#elif LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0)
#define KRETURN(x) return
#define MAKE_RQ_RET_TYPE void
#else
#define KRETURN(x) ({ return (x); })
#define MAKE_RQ_RET_TYPE int
#endif
#include "debug.h"
#endif

12
modules/cas_disk/disk.c
View File

@ -13,6 +13,18 @@
#define CASDSK_DISK_OPEN_FMODE (FMODE_READ | FMODE_WRITE)
static inline struct block_device *open_bdev_exclusive(const char *path,
fmode_t mode,
void *holder)
{
return blkdev_get_by_path(path, mode | FMODE_EXCL, holder);
}
static inline void close_bdev_exclusive(struct block_device *bdev, fmode_t mode)
{
blkdev_put(bdev, mode | FMODE_EXCL);
}
static void _casdsk_disk_release(struct kobject *kobj)
{
struct casdsk_disk *dsk;

23
modules/cas_disk/exp_obj.c
View File

@ -19,6 +19,29 @@
#define CASDSK_DEV_MINORS 16
#define KMEM_CACHE_MIN_SIZE sizeof(void *)
static inline int bd_claim_by_disk(struct block_device *bdev, void *holder,
struct gendisk *disk)
{
return bd_link_disk_holder(bdev, disk);
}
static inline void bd_release_from_disk(struct block_device *bdev,
struct gendisk *disk)
{
return bd_unlink_disk_holder(bdev, disk);
}
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 3, 0)
#define KRETURN(x) ({ return (x); })
#define MAKE_RQ_RET_TYPE blk_qc_t
#elif LINUX_VERSION_CODE >= KERNEL_VERSION(3, 2, 0)
#define KRETURN(x) return
#define MAKE_RQ_RET_TYPE void
#else
#define KRETURN(x) ({ return (x); })
#define MAKE_RQ_RET_TYPE int
#endif
int __init casdsk_init_exp_objs(void)
{
CASDSK_DEBUG_TRACE();

2
modules/cas_disk/main.c
View File

@ -11,6 +11,8 @@
#include "disk.h"
#include "exp_obj.h"
#define CASDSK_LOGO "CAS Disk"
/* Layer information. */
MODULE_AUTHOR("Intel(R) Corporation");
MODULE_LICENSE("Dual BSD/GPL");