diff options
Diffstat (limited to 'include/fs.h')
| -rw-r--r-- | include/fs.h | 90 |
1 files changed, 49 insertions, 41 deletions
diff --git a/include/fs.h b/include/fs.h index 894cae3e4c..70903142e8 100644 --- a/include/fs.h +++ b/include/fs.h @@ -12,15 +12,14 @@ #include <filetype.h> #include <linux/fs.h> #include <linux/string.h> - -#define PATH_MAX 1024 /* include/linux/limits.h */ +#include <linux/limits.h> struct partition; struct node_d; struct stat; typedef struct filep { - struct fs_device_d *fsdev; /* The device this FILE belongs to */ + struct fs_device *fsdev; /* The device this FILE belongs to */ char *path; loff_t pos; /* current position in stream */ #define FILE_SIZE_STREAM ((loff_t) -1) @@ -39,64 +38,65 @@ typedef struct filep { #define FS_DRIVER_NO_DEV 1 -struct fs_driver_d { - int (*probe) (struct device_d *dev); +struct fs_driver { + int (*probe) (struct device *dev); /* create a file. The file is guaranteed to not exist */ - int (*create)(struct device_d *dev, const char *pathname, mode_t mode); - int (*unlink)(struct device_d *dev, const char *pathname); + int (*create)(struct device *dev, const char *pathname, mode_t mode); + int (*unlink)(struct device *dev, const char *pathname); /* Truncate a file to given size */ - int (*truncate)(struct device_d *dev, FILE *f, loff_t size); - - int (*open)(struct device_d *dev, FILE *f, const char *pathname); - int (*close)(struct device_d *dev, FILE *f); - int (*read)(struct device_d *dev, FILE *f, void *buf, size_t size); - int (*write)(struct device_d *dev, FILE *f, const void *buf, size_t size); - int (*flush)(struct device_d *dev, FILE *f); - int (*lseek)(struct device_d *dev, FILE *f, loff_t pos); - - int (*ioctl)(struct device_d *dev, FILE *f, int request, void *buf); - int (*erase)(struct device_d *dev, FILE *f, loff_t count, + int (*truncate)(struct device *dev, FILE *f, loff_t size); + + int (*open)(struct device *dev, FILE *f, const char *pathname); + int (*close)(struct device *dev, FILE *f); + int (*read)(struct device *dev, FILE *f, void *buf, size_t size); + int (*write)(struct device *dev, FILE *f, const void *buf, + size_t size); + int (*flush)(struct device *dev, FILE *f); + int (*lseek)(struct device *dev, FILE *f, loff_t pos); + + int (*ioctl)(struct device *dev, FILE *f, int request, void *buf); + int (*erase)(struct device *dev, FILE *f, loff_t count, loff_t offset); - int (*protect)(struct device_d *dev, FILE *f, size_t count, + int (*protect)(struct device *dev, FILE *f, size_t count, loff_t offset, int prot); - int (*discard_range)(struct device_d *dev, FILE *f, loff_t count, - loff_t offset); + int (*discard_range)(struct device *dev, FILE *f, loff_t count, + loff_t offset); - int (*memmap)(struct device_d *dev, FILE *f, void **map, int flags); + int (*memmap)(struct device *dev, FILE *f, void **map, int flags); /* legacy */ - int (*mkdir)(struct device_d *dev, const char *pathname); - int (*rmdir)(struct device_d *dev, const char *pathname); - int (*symlink)(struct device_d *dev, const char *pathname, + int (*mkdir)(struct device *dev, const char *pathname); + int (*rmdir)(struct device *dev, const char *pathname); + int (*symlink)(struct device *dev, const char *pathname, const char *newpath); - int (*readlink)(struct device_d *dev, const char *pathname, char *name, + int (*readlink)(struct device *dev, const char *pathname, char *name, size_t size); - struct dir* (*opendir)(struct device_d *dev, const char *pathname); - struct dirent* (*readdir)(struct device_d *dev, struct dir *dir); - int (*closedir)(struct device_d *dev, DIR *dir); - int (*stat)(struct device_d *dev, const char *file, struct stat *stat); + struct dir* (*opendir)(struct device *dev, const char *pathname); + struct dirent* (*readdir)(struct device *dev, struct dir *dir); + int (*closedir)(struct device *dev, DIR *dir); + int (*stat)(struct device *dev, const char *file, struct stat *stat); - struct driver_d drv; + struct driver drv; enum filetype type; unsigned long flags; }; -#define dev_to_fs_device(d) container_of(d, struct fs_device_d, dev) +#define dev_to_fs_device(d) container_of(d, struct fs_device, dev) extern struct list_head fs_device_list; #define for_each_fs_device(f) list_for_each_entry(f, &fs_device_list, list) #define for_each_fs_device_safe(tmp, f) list_for_each_entry_safe(f, tmp, &fs_device_list, list) extern struct bus_type fs_bus; -struct fs_device_d { +struct fs_device { char *backingstore; /* the device we are associated with */ - struct device_d dev; /* our own device */ + struct device dev; /* our own device */ - struct fs_driver_d *driver; + struct fs_driver *driver; struct cdev *cdev; bool loop; @@ -120,7 +120,7 @@ static inline bool is_tftp_fs(const char *path) return __is_tftp_fs(path); } -#define drv_to_fs_driver(d) container_of(d, struct fs_driver_d, drv) +#define drv_to_fs_driver(d) container_of(d, struct fs_driver, drv) int flush(int fd); int umount_by_cdev(struct cdev *cdev); @@ -147,26 +147,32 @@ int ls(const char *path, ulong flags); char *mkmodestr(unsigned long mode, char *str); -char *canonicalize_path(const char *pathname); +void stat_print(int dirfd, const char *filename, const struct stat *st); +void cdev_print(const struct cdev *cdev); + +char *canonicalize_path(int dirfd, const char *pathname); + +struct fs_device *get_fsdevice_by_path(int dirfd, const char *path); char *get_mounted_path(const char *path); struct cdev *get_cdev_by_mountpath(const char *path); /* Register a new filesystem driver */ -int register_fs_driver(struct fs_driver_d *fsdrv); +int register_fs_driver(struct fs_driver *fsdrv); void automount_remove(const char *_path); int automount_add(const char *path, const char *cmd); void automount_print(void); -int fs_init_legacy(struct fs_device_d *fsdev); -int fsdev_open_cdev(struct fs_device_d *fsdev); +int fs_init_legacy(struct fs_device *fsdev); +int fsdev_open_cdev(struct fs_device *fsdev); const char *cdev_get_mount_path(struct cdev *cdev); const char *cdev_mount_default(struct cdev *cdev, const char *fsoptions); +const char *cdev_mount(struct cdev *cdev); void mount_all(void); -void fsdev_set_linux_rootarg(struct fs_device_d *fsdev, const char *str); +void fsdev_set_linux_rootarg(struct fs_device *fsdev, const char *str); char *path_get_linux_rootarg(const char *path); char *cdev_get_linux_rootarg(const struct cdev *cdev); @@ -178,4 +184,6 @@ static inline const char *devpath_to_name(const char *devpath) return devpath; } +const char *fs_detect(const char *filename, const char *fsoptions); + #endif /* __FS_H */ |