COUNT_DEV(9FREEBSD) - Linux man page online | System kernel interfaces
Get total number of references to a device.
Chapter
January 19, 2012
VCOUNT(9) BSD Kernel Developer's Manual VCOUNT(9)
NAME
vcount, count_dev — get total number of references to a deviceSYNOPSIS
#include <sys/param.h> #include <sys/time.h> #include <sys/conf.h> #include <sys/vnode.h> int vcount(struct vnode *vp); int count_dev(struct cdev *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 struct cdev 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.| This manual | Reference | Other manuals |
|---|---|---|
| count_dev(9freebsd) | referred by | |
| refer to | vcount(9freebsd) | VFS(9freebsd) | vnode(9freebsd) |