diff options
author | Kent Overstreet <kent.overstreet@linux.dev> | 2024-01-16 17:00:02 -0500 |
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committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-01-16 17:17:23 -0500 |
commit | b5fd066153c40a70a29caa1ea7987723ab687763 (patch) | |
tree | 6d43a8b0a90d549a54c65565ac96c92b3e84b594 /c_src/include/linux/blkdev.h | |
parent | 06ff8b55b70fda44d91b31b5511fafd1680a8934 (diff) |
Move c_src dirs back to toplevel
We just wanted c sourcefiles out of the top level, not c source
directories.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'c_src/include/linux/blkdev.h')
-rw-r--r-- | c_src/include/linux/blkdev.h | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/c_src/include/linux/blkdev.h b/c_src/include/linux/blkdev.h deleted file mode 100644 index 39143117..00000000 --- a/c_src/include/linux/blkdev.h +++ /dev/null @@ -1,190 +0,0 @@ -#ifndef __TOOLS_LINUX_BLKDEV_H -#define __TOOLS_LINUX_BLKDEV_H - -#include <linux/backing-dev.h> -#include <linux/blk_types.h> -#include <linux/kobject.h> -#include <linux/types.h> - -#define MAX_LFS_FILESIZE ((loff_t)LLONG_MAX) - -#define BIO_MAX_VECS 256U - -typedef unsigned fmode_t; -typedef __u32 __bitwise blk_opf_t; - -struct bio; -struct user_namespace; - -#define MINORBITS 20 -#define MINORMASK ((1U << MINORBITS) - 1) - -#define MAJOR(dev) ((unsigned int) ((dev) >> MINORBITS)) -#define MINOR(dev) ((unsigned int) ((dev) & MINORMASK)) -#define MKDEV(ma,mi) (((ma) << MINORBITS) | (mi)) - -typedef unsigned int __bitwise blk_mode_t; - -/* open for reading */ -#define BLK_OPEN_READ ((__force blk_mode_t)(1 << 0)) -/* open for writing */ -#define BLK_OPEN_WRITE ((__force blk_mode_t)(1 << 1)) -/* open exclusively (vs other exclusive openers */ -#define BLK_OPEN_EXCL ((__force blk_mode_t)(1 << 2)) -/* opened with O_NDELAY */ -#define BLK_OPEN_NDELAY ((__force blk_mode_t)(1 << 3)) -/* open for "writes" only for ioctls (specialy hack for floppy.c) */ -#define BLK_OPEN_WRITE_IOCTL ((__force blk_mode_t)(1 << 4)) - -#define BLK_OPEN_BUFFERED ((__force blk_mode_t)(1 << 5)) - -struct inode { - unsigned long i_ino; - loff_t i_size; - struct super_block *i_sb; -}; - -struct file { - struct inode *f_inode; -}; - -static inline struct inode *file_inode(const struct file *f) -{ - return f->f_inode; -} - -#define part_to_dev(part) (part) - -void generic_make_request(struct bio *); -int submit_bio_wait(struct bio *); - -static inline void submit_bio(struct bio *bio) -{ - generic_make_request(bio); -} - -int blkdev_issue_discard(struct block_device *, sector_t, sector_t, gfp_t); -int blkdev_issue_zeroout(struct block_device *, sector_t, sector_t, gfp_t, unsigned); - -#define bdev_get_queue(bdev) (&((bdev)->queue)) - -#ifndef SECTOR_SHIFT -#define SECTOR_SHIFT 9 -#endif -#ifndef SECTOR_SIZE -#define SECTOR_SIZE (1 << SECTOR_SHIFT) -#endif - -#define PAGE_SECTORS_SHIFT (PAGE_SHIFT - SECTOR_SHIFT) -#define PAGE_SECTORS (1 << PAGE_SECTORS_SHIFT) -#define SECTOR_MASK (PAGE_SECTORS - 1) - -#define bdev_max_discard_sectors(bdev) ((void) (bdev), 0) -#define blk_queue_nonrot(q) ((void) (q), 0) - -unsigned bdev_logical_block_size(struct block_device *bdev); -sector_t get_capacity(struct gendisk *disk); - -struct blk_holder_ops { - void (*mark_dead)(struct block_device *bdev); -}; - -void blkdev_put(struct block_device *bdev, void *holder); -void bdput(struct block_device *bdev); -struct block_device *blkdev_get_by_path(const char *path, blk_mode_t mode, - void *holder, const struct blk_holder_ops *hop); -int lookup_bdev(const char *path, dev_t *); - -struct super_block { - void *s_fs_info; -}; - -/* - * File types - * - * NOTE! These match bits 12..15 of stat.st_mode - * (ie "(i_mode >> 12) & 15"). - */ -#ifndef DT_UNKNOWN -#define DT_UNKNOWN 0 -#define DT_FIFO 1 -#define DT_CHR 2 -#define DT_DIR 4 -#define DT_BLK 6 -#define DT_REG 8 -#define DT_LNK 10 -#define DT_SOCK 12 -#define DT_WHT 14 -#define DT_MAX 16 -#endif - -/* - * This is the "filldir" function type, used by readdir() to let - * the kernel specify what kind of dirent layout it wants to have. - * This allows the kernel to read directories into kernel space or - * to have different dirent layouts depending on the binary type. - */ -struct dir_context; -typedef int (*filldir_t)(struct dir_context *, const char *, int, loff_t, u64, - unsigned); - -struct dir_context { - const filldir_t actor; - u64 pos; -}; - -/* /sys/fs */ -extern struct kobject *fs_kobj; - -struct file_operations { -}; - -static inline int register_chrdev(unsigned int major, const char *name, - const struct file_operations *fops) -{ - return 1; -} - -static inline void unregister_chrdev(unsigned int major, const char *name) -{ -} - -static inline const char *bdevname(struct block_device *bdev, char *buf) -{ - snprintf(buf, BDEVNAME_SIZE, "%s", bdev->name); - return buf; -} - -static inline bool op_is_write(unsigned int op) -{ - return op == REQ_OP_READ ? false : true; -} - -/* - * return data direction, READ or WRITE - */ -static inline int bio_data_dir(struct bio *bio) -{ - return op_is_write(bio_op(bio)) ? WRITE : READ; -} - -static inline bool dir_emit(struct dir_context *ctx, - const char *name, int namelen, - u64 ino, unsigned type) -{ - return ctx->actor(ctx, name, namelen, ctx->pos, ino, type) == 0; -} - -static inline bool dir_emit_dots(struct file *file, struct dir_context *ctx) -{ - return true; -} - -#define capable(cap) true - -int blk_status_to_errno(blk_status_t status); -blk_status_t errno_to_blk_status(int errno); -const char *blk_status_to_str(blk_status_t status); - -#endif /* __TOOLS_LINUX_BLKDEV_H */ - |