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vfs_getvfs

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vfs_getvfs: returns a mount point given its file system identifier

NAME

vfs_getvfs - returns a mount point given its file system identifier
SYNOPSIS
#include <sys/param.h> #include <sys/mount.h> struct mount * vfs_getvfs(fsid_t *fsid);
DESCRIPTION
The vfs_getvfs() function returns the mount point structure for a file system given its file system identifier. The file system ID should have been allocated by calling vfs_getnewfsid(9); otherwise, it will not be found. A major user of vfs_getvfs() is NFS, which uses the fsid as part of file handles in order to determine the file system a given RPC is for. If vfs_getvfs() fails to find the mount point related to fsid, the file system is considered stale.

RETURN VALUES

If fsid is found, the mount point for the ID is returned; otherwise, NULL is returned.

PSEUDOCODE

if ((mp = vfs_getvfs(&fhp->fh_fsid)) == NULL) { error = ESTALE; goto out; }

SEE ALSO

vfs_getnewfsid(9)

AUTHORS

This manual page was written by Chad David <davidc@acns.ab.ca>. VFS_GETVFS(9)
 
 
 

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