diff options
Diffstat (limited to 'share')
| -rw-r--r-- | share/man/man9/VOP_LOOKUP.9 | 53 |
1 files changed, 52 insertions, 1 deletions
diff --git a/share/man/man9/VOP_LOOKUP.9 b/share/man/man9/VOP_LOOKUP.9 index c4fe80f1c3f..a7a0c8d0c55 100644 --- a/share/man/man9/VOP_LOOKUP.9 +++ b/share/man/man9/VOP_LOOKUP.9 @@ -1,4 +1,4 @@ -.\" $OpenBSD: VOP_LOOKUP.9,v 1.7 2003/04/15 04:14:29 jmc Exp $ +.\" $OpenBSD: VOP_LOOKUP.9,v 1.8 2003/04/30 04:53:18 tedu Exp $ .\" .\" Copyright (c) 2003 Ted Unangst .\" All rights reserved. @@ -85,12 +85,21 @@ .Fa "struct vattr *vap" .Fc .Ft int +.Fo VOP_PRINT +.Fa "struct vnode *vp" +.Fc +.Ft int .Fo VOP_READLINK .Fa "struct vnode *vp" .Fa "struct uio *uio" .Fa "struct ucred *cred" .Fc .Ft int +.Fo VOP_REALLOCBLKS +.Fa "struct vnode *vp" +.Fa "struct cluster_save *buflist" +.Fc +.Ft int .Fo VOP_RECLAIM .Fa "struct vnode *vp" .Fa "struct proc *p" @@ -122,6 +131,10 @@ .Fa "struct proc *p" .Fc .Ft int +.Fo VOP_STRATEGY +.Fa "struct buf *bp" +.Fc +.Ft int .Fo VOP_SYMLINK .Fa "struct vnode *dvp" .Fa "struct vnode *vpp" @@ -135,6 +148,12 @@ .Fa "int flags" .Fa "struct proc *p" .Fc +.Ft int +.Fo VOP_WHITEOUT +.Fa "struct vnode *dvp" +.Fa "struct componentname *cnp" +.Fa "int flags" +.Fc .\" and many more .Sh DESCRIPTION The @@ -248,12 +267,26 @@ On success, the new vnode is returned locked in .Ar vpp . .Ar dvp must be locked on entry and is unlocked on exit. +.Sh VOP_PRINT +.Fn VOP_PRINT +prints information about the vnode to the kernel message buffer. +It is not used normally, but exists only for debugging purposes. .Sh VOP_READLINK .Fn VOP_READLINK reads a symbolic link and returns the target's name in .Ar uio . .Ar vp is locked on entry and exit and must be a symlink. +.Sh VOP_REALLOCBLKS +.Fn VOP_REALLOCBLKS +is called by the vfs write clustering code. +It gives the file system an opporunity to rearrange the on disk blocks +for a file to reduce fragmentation. +.Ar vp +is the locked vnode for the file, and +.Ar buflist +is a cluster of the outstanding buffers about to written. +Currently, only FFS implements this call. .Sh VOP_RECLAIM .Fn VOP_RECLAIM is used by @@ -297,6 +330,11 @@ will be removed from the directory Both are locked on entry and unlocked on exit. The name of the directory for removal is additionally contained in .Ar cnp . +.Sh VOP_STRATEGY +.Fn VOP_STRATEGY +is the only VOP call not taking a vnode argument. +It calls the appropriate strategy function for the device backing the +buffer's vnode. .Sh VOP_SYMLINK .Fn VOP_SYMLINK creates a symbolic link with name @@ -330,6 +368,19 @@ is locked and 0 if not. It should be used cautiously, as not all file systems implement locks effectively. Note the asymmetry between vn_lock and VOP_UNLOCK. +.Sh VOP_WHITEOUT +.Fn VOP_WHITEOUT +manipulates whiteout entries in a directory. +.Ar dvp +is the directory containing, or to contain, the whiteout. +It is locked on entry and exit. +.Ar cnp +contains the name of the whiteout. +.Ar flags +is used to indicate the operation. +Whiteouts may be created or deleted. +A whiteout entry is normally used to indicate the absence of a file on a +translucent file system. .Sh IMPLEMENTATION NOTES The .Nm VOP |