| VOP_LOOKUP.9 (3fd5156000420a87f1a9cd6bf787c8dee2261b91) | VOP_LOOKUP.9 (b92a189eb9b32f7e9db74343d46434b554a67d04) |
|---|---|
| 1.\" -*- nroff -*- 2.\" 3.\" Copyright (c) 1996 Doug Rabson 4.\" 5.\" All rights reserved. 6.\" 7.\" This program is free software. 8.\" --- 94 unchanged lines hidden (view full) --- 103Look for name in cache, if found, then return name. 104Search for name in directory, goto to found or notfound as appropriate. 105.Ed 106.Pp 107notfound: 108.Bd -filled -offset indent 109If creating or renaming and at end of pathname, 110return | 1.\" -*- nroff -*- 2.\" 3.\" Copyright (c) 1996 Doug Rabson 4.\" 5.\" All rights reserved. 6.\" 7.\" This program is free software. 8.\" --- 94 unchanged lines hidden (view full) --- 103Look for name in cache, if found, then return name. 104Search for name in directory, goto to found or notfound as appropriate. 105.Ed 106.Pp 107notfound: 108.Bd -filled -offset indent 109If creating or renaming and at end of pathname, 110return |
| 111.Dv EJUSTRETURN , | 111.Er EJUSTRETURN , |
| 112leaving info on available slots else return | 112leaving info on available slots else return |
| 113.Dv ENOENT . | 113.Er ENOENT . |
| 114.Ed 115.Pp 116found: 117.Bd -filled -offset indent 118If at end of path and deleting, return information to allow delete. 119If at end of path and renaming, lock target 120inode and return info to allow rename. 121If not at end, add name to cache; if at end and neither creating 122nor deleting, add name to cache. 123.Ed 124.Sh LOCKS 125The directory, 126.Fa dvp 127should be locked on entry. 128If an error (note: the return value | 114.Ed 115.Pp 116found: 117.Bd -filled -offset indent 118If at end of path and deleting, return information to allow delete. 119If at end of path and renaming, lock target 120inode and return info to allow rename. 121If not at end, add name to cache; if at end and neither creating 122nor deleting, add name to cache. 123.Ed 124.Sh LOCKS 125The directory, 126.Fa dvp 127should be locked on entry. 128If an error (note: the return value |
| 129.Dv EJUSTRETURN | 129.Er EJUSTRETURN |
| 130is not considered an error) 131is detected, it will be returned locked. 132Otherwise, it will be unlocked unless both 133.Dv LOCKPARENT 134and 135.Dv ISLASTCN 136are specified in 137.Fa cnp->cn_flags . --- 10 unchanged lines hidden (view full) --- 148.Pp 149If the component is not found and the operation is 150.Dv CREATE 151or 152.Dv RENAME , 153the flag 154.Dv ISLASTCN 155is specified and the operation would succeed, the special return value | 130is not considered an error) 131is detected, it will be returned locked. 132Otherwise, it will be unlocked unless both 133.Dv LOCKPARENT 134and 135.Dv ISLASTCN 136are specified in 137.Fa cnp->cn_flags . --- 10 unchanged lines hidden (view full) --- 148.Pp 149If the component is not found and the operation is 150.Dv CREATE 151or 152.Dv RENAME , 153the flag 154.Dv ISLASTCN 155is specified and the operation would succeed, the special return value |
| 156.Dv EJUSTRETURN | 156.Er EJUSTRETURN |
| 157is returned. 158Otherwise, an appropriate error code is returned. 159.Sh PSEUDOCODE 160.Bd -literal 161int 162vop_lookup(struct vnode *dvp, 163 struct vnode **vpp, 164 struct componentname *cnp) --- 287 unchanged lines hidden --- | 157is returned. 158Otherwise, an appropriate error code is returned. 159.Sh PSEUDOCODE 160.Bd -literal 161int 162vop_lookup(struct vnode *dvp, 163 struct vnode **vpp, 164 struct componentname *cnp) --- 287 unchanged lines hidden --- |