42 lines
1.5 KiB
C
42 lines
1.5 KiB
C
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#ifndef __VFS_TYPE_H__
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#define __VFS_TYPE_H__
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/* VFS<->FS communication */
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typedef struct {
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int c_max_reqs; /* Max requests an FS can handle simultaneously */
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int c_cur_reqs; /* Number of requests the FS is currently handling */
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struct worker_thread *c_req_queue;/* Queue of procs waiting to send a message */
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} comm_t;
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/*
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* Cached statvfs fields. We are not using struct statvfs itself because that
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* would add over 2K of unused memory per mount table entry.
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*/
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struct statvfs_cache {
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unsigned long f_flag; /* copy of mount exported flags */
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unsigned long f_bsize; /* file system block size */
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unsigned long f_frsize; /* fundamental file system block size */
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unsigned long f_iosize; /* optimal file system block size */
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fsblkcnt_t f_blocks; /* number of blocks in file system, */
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fsblkcnt_t f_bfree; /* free blocks avail in file system */
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fsblkcnt_t f_bavail; /* free blocks avail to non-root */
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fsblkcnt_t f_bresvd; /* blocks reserved for root */
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fsfilcnt_t f_files; /* total file nodes in file system */
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fsfilcnt_t f_ffree; /* free file nodes in file system */
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fsfilcnt_t f_favail; /* free file nodes avail to non-root */
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fsfilcnt_t f_fresvd; /* file nodes reserved for root */
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uint64_t f_syncreads; /* count of sync reads since mount */
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uint64_t f_syncwrites; /* count of sync writes since mount */
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uint64_t f_asyncreads; /* count of async reads since mount */
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uint64_t f_asyncwrites; /* count of async writes since mount */
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unsigned long f_namemax; /* maximum filename length */
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};
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#endif
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