vn_isdisk man page on PC-BSD

vn_isdisk man page on PC-BSD

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VN_ISDISK(9)		 BSD Kernel Developer's Manual		  VN_ISDISK(9)

NAME
     vn_isdisk — checks if a vnode represents a disk

SYNOPSIS
     #include <sys/param.h>
     #include <sys/vnode.h>

     int
     vn_isdisk(struct vnode *vp, int *errp);

DESCRIPTION
     The vn_isdisk() function checks to see if vp represents a disk.  In order
     for vp to be a disk, it must be a character device, v_rdev must be valid,
     and the cdevsw entry's flags must have D_DISK set.

     Its arguments are:

     vp	   The vnode to check.

     errp  An integer pointer to store the error number in if the call fails.

RETURN VALUES
     If the vnode represents a disk, 1 is returned; otherwise, 0 is returned
     and errp will contain the error number.

AUTHORS
     This manual page was written by Chad David ⟨davidc@acns.ab.ca⟩.

BSD				 July 9, 2001				   BSD

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