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VOP_VPTOCNP(9) | Kernel Developer's Manual | VOP_VPTOCNP(9) |
NAME¶
VOP_VPTOCNP — translate a vnode to its component nameSYNOPSIS¶
#include <sys/param.h>#include <sys/vnode.h> int
VOP_VPTOCNP(struct vnode *vp, struct vnode **dvp, char *buf, int *buflen);
DESCRIPTION¶
This translates a vnode into its component name, and writes that name to the head of the buffer specified by buf- vp
- The vnode to translate.
- dvp
- The vnode of the parent directory of vp.
- buf
- The buffer into which to preprend the component name.
- buflen
- The remaining size of the buffer.
LOCKS¶
The vnode should be locked on entry and will still be locked on exit. The parent directory vnode will be unlocked on a successful exit. However, it will have its hold count incremented.RETURN VALUES¶
Zero is returned on success, otherwise an error code is returned.ERRORS¶
- [
ENOMEM
] - The buffer was not large enough to hold the vnode's component name.
- [
ENOENT
] - The vnode was not found on the file system.
SEE ALSO¶
VOP_LOOKUP(9), vnode(9)NOTES¶
This interface is a work in progress.HISTORY¶
The function VOP_VPTOCNP appeared in FreeBSD 8.0.AUTHORS¶
This manual page was written by Joe Marcus Clarke.December 7, 2008 | Debian |