haiku/headers/os/kernel/fs_info.h

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/* General File System informations/capabilities
**
** Distributed under the terms of the OpenBeOS License.
*/
#ifndef _FS_INFO_H
#define _FS_INFO_H
#include <OS.h>
/* fs_info.flags */
#define B_FS_IS_READONLY 0x00000001
#define B_FS_IS_REMOVABLE 0x00000002
#define B_FS_IS_PERSISTENT 0x00000004
#define B_FS_IS_SHARED 0x00000008
#define B_FS_HAS_MIME 0x00010000
#define B_FS_HAS_ATTR 0x00020000
#define B_FS_HAS_QUERY 0x00040000
// those additions are preliminary and may be removed
#define B_FS_HAS_SELF_HEALING_LINKS 0x00080000
#define B_FS_HAS_ALIASES 0x00100000
#define B_FS_SUPPORTS_NODE_MONITORING 0x00200000
typedef struct fs_info {
dev_t dev; /* volume dev_t */
ino_t root; /* root ino_t */
uint32 flags; /* flags (see above) */
off_t block_size; /* fundamental block size */
off_t io_size; /* optimal i/o size */
off_t total_blocks; /* total number of blocks */
off_t free_blocks; /* number of free blocks */
off_t total_nodes; /* total number of nodes */
off_t free_nodes; /* number of free nodes */
char device_name[128]; /* device holding fs */
char volume_name[B_FILE_NAME_LENGTH]; /* volume name */
char fsh_name[B_OS_NAME_LENGTH]; /* name of fs handler */
} fs_info;
#ifdef __cplusplus
extern "C" {
#endif
extern dev_t dev_for_path(const char *path);
extern dev_t next_dev(int32 *pos);
extern int fs_stat_dev(dev_t dev, fs_info *info);
#ifdef __cplusplus
}
#endif
#endif /* _FS_INFO_H */