1 /* 2 * Copyright 2002-2016, Haiku Inc. All Rights Reserved. 3 * Distributed under the terms of the MIT License. 4 */ 5 #ifndef _FS_INFO_H 6 #define _FS_INFO_H 7 8 #include <OS.h> 9 10 11 /* fs_info.flags */ 12 #define B_FS_IS_READONLY 0x00000001 13 #define B_FS_IS_REMOVABLE 0x00000002 14 #define B_FS_IS_PERSISTENT 0x00000004 15 #define B_FS_IS_SHARED 0x00000008 16 #define B_FS_HAS_MIME 0x00010000 17 #define B_FS_HAS_ATTR 0x00020000 18 #define B_FS_HAS_QUERY 0x00040000 19 // those additions are preliminary and may be removed 20 #define B_FS_HAS_SELF_HEALING_LINKS 0x00080000 21 #define B_FS_HAS_ALIASES 0x00100000 22 #define B_FS_SUPPORTS_NODE_MONITORING 0x00200000 23 #define B_FS_SUPPORTS_MONITOR_CHILDREN 0x00400000 24 25 typedef struct fs_info { 26 dev_t dev; /* volume dev_t */ 27 ino_t root; /* root ino_t */ 28 uint32 flags; /* flags (see above) */ 29 off_t block_size; /* fundamental block size */ 30 off_t io_size; /* optimal i/o size */ 31 off_t total_blocks; /* total number of blocks */ 32 off_t free_blocks; /* number of free blocks */ 33 off_t total_nodes; /* total number of nodes */ 34 off_t free_nodes; /* number of free nodes */ 35 char device_name[128]; /* device holding fs */ 36 char volume_name[B_FILE_NAME_LENGTH]; /* volume name */ 37 char fsh_name[B_OS_NAME_LENGTH]; /* name of fs handler */ 38 } fs_info; 39 40 41 #ifdef __cplusplus 42 extern "C" { 43 #endif 44 45 extern dev_t dev_for_path(const char *path); 46 extern dev_t next_dev(int32 *pos); 47 extern int fs_stat_dev(dev_t dev, fs_info *info); 48 49 #ifdef __cplusplus 50 } 51 #endif 52 53 #endif /* _FS_INFO_H */ 54