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count_dev

man page of count_dev

count_dev: get total number of references to a device

NAME

vcount, count_dev - get total number of references to a device

SYNOPSIS

#include <sys/param.h> #include <sys/time.h> #include <sys/conf.h> #include <sys/vnode.h> int vcount(struct vnode *vp); int count_dev(dev_t dev);

DESCRIPTION

vcount() is used to get the number of references to a particular device. It allows for the fact that multiple vnodes may reference the same device. count_dev() does the same thing as vcount(), but takes a dev_t rather than a struct vnode pointer as an argument.
RETURN VALUES
vcount() and count_dev() both return the number of references to the device.
SEE ALSO
VFS(9), vnode(9)

AUTHORS

This manual page was written by Andrew Stevenson. COUNT_DEV(9)
 
 
 

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