2005-10-29 20:27:43 +04:00
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/* General File System informations/capabilities
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**
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2017-02-10 06:03:59 +03:00
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** Distributed under the terms of the MIT License.
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2005-10-29 20:27:43 +04:00
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*/
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#ifndef _FS_INFO_H
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#define _FS_INFO_H
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#include <OS.h>
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/* fs_info.flags */
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#define B_FS_IS_READONLY 0x00000001
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#define B_FS_IS_REMOVABLE 0x00000002
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#define B_FS_IS_PERSISTENT 0x00000004
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#define B_FS_IS_SHARED 0x00000008
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#define B_FS_HAS_MIME 0x00010000
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#define B_FS_HAS_ATTR 0x00020000
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#define B_FS_HAS_QUERY 0x00040000
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// those additions are preliminary and may be removed
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#define B_FS_HAS_SELF_HEALING_LINKS 0x00080000
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#define B_FS_HAS_ALIASES 0x00100000
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#define B_FS_SUPPORTS_NODE_MONITORING 0x00200000
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typedef struct fs_info {
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dev_t dev; /* volume dev_t */
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ino_t root; /* root ino_t */
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uint32 flags; /* flags (see above) */
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off_t block_size; /* fundamental block size */
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off_t io_size; /* optimal i/o size */
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off_t total_blocks; /* total number of blocks */
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off_t free_blocks; /* number of free blocks */
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off_t total_nodes; /* total number of nodes */
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off_t free_nodes; /* number of free nodes */
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char device_name[128]; /* device holding fs */
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char volume_name[B_FILE_NAME_LENGTH]; /* volume name */
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char fsh_name[B_OS_NAME_LENGTH]; /* name of fs handler */
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} fs_info;
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern dev_t dev_for_path(const char *path);
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extern dev_t next_dev(int32 *pos);
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extern int fs_stat_dev(dev_t dev, fs_info *info);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _FS_INFO_H */
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