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34 .Nd "flushes and invalidates all buffers associated with a vnode"
39 .Fn vinvalbuf "struct vnode *vp" "int flags" "struct ucred *cred" "struct thread *td" "int slpflag" "int slptimeo"
43 function invalidates all of the buffers associated with the given vnode.
44 This includes buffers on the clean list and the dirty list.
47 flag is specified then the buffers on the dirty list are synced prior to being
49 If there is a VM Object associated with the vnode, it is removed.
52 .Bl -tag -width ".Fa spltimeo"
54 A pointer to the vnode whose buffers will be invalidated.
56 The only supported flag is
58 and it indicates that dirty buffers should be synced with the disk.
60 The user credentials that are used to
66 The thread responsible for this call.
68 The slp flag that will be used in the priority of any sleeps in the function.
70 The timeout for any sleeps in the function.
73 The vnode is assumed to be locked prior to the call and remains locked upon return.
76 must be held by prior to the call and remains locked upon return.
78 A 0 value is returned on success.
80 .Bd -literal -offset indent
81 vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY, td);
82 error = vinvalbuf(devvp, V_SAVE, cred, td, 0, 0);
83 VOP_UNLOCK(devvp, 0, td);
90 The file system is full.
98 Sleep operation timed out.
102 A signal needs to be delivered and the system call should be restarted.
108 The system has been interrupted by a signal.
120 This manual page was written by
121 .An Chad David Aq davidc@acns.ab.ca .