| VOP_GETPAGES.9 (121382) | VOP_GETPAGES.9 (130582) |
|---|---|
| 1.\" -*- nroff -*- 2.\" 3.\" Copyright (c) 1996 Doug Rabson 4.\" Copyright 2003, Garrett A. Wollman 5.\" 6.\" All rights reserved. 7.\" 8.\" This program is free software. --- 13 unchanged lines hidden (view full) --- 22.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 23.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29.\" | 1.\" -*- nroff -*- 2.\" 3.\" Copyright (c) 1996 Doug Rabson 4.\" Copyright 2003, Garrett A. Wollman 5.\" 6.\" All rights reserved. 7.\" 8.\" This program is free software. --- 13 unchanged lines hidden (view full) --- 22.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 23.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29.\" |
| 30.\" $FreeBSD: head/share/man/man9/VOP_GETPAGES.9 121382 2003-10-23 02:11:14Z hmp $ | 30.\" $FreeBSD: head/share/man/man9/VOP_GETPAGES.9 130582 2004-06-16 08:33:57Z ru $ |
| 31.\" 32.Dd September 27, 2003 33.Os 34.Dt VOP_GETPAGES 9 35.Sh NAME 36.Nm VOP_GETPAGES , 37.Nm VOP_PUTPAGES 38.Nd read or write VM pages from a file --- 43 unchanged lines hidden (view full) --- 82The index in the page array of the requested page; i.e., the one page which 83the implementation of this method must handle. 84.It Fa offset 85Offset in the file at which the mapped pages begin. 86.El 87.Pp 88The status of the 89.Fn VOP_PUTPAGES | 31.\" 32.Dd September 27, 2003 33.Os 34.Dt VOP_GETPAGES 9 35.Sh NAME 36.Nm VOP_GETPAGES , 37.Nm VOP_PUTPAGES 38.Nd read or write VM pages from a file --- 43 unchanged lines hidden (view full) --- 82The index in the page array of the requested page; i.e., the one page which 83the implementation of this method must handle. 84.It Fa offset 85Offset in the file at which the mapped pages begin. 86.El 87.Pp 88The status of the 89.Fn VOP_PUTPAGES |
| 90method is returned on a page-by-page basis in the array | 90method is returned on a page-by-page basis in the array |
| 91.Fa rtvals[] . 92The possible status values are as follows: 93.Bl -tag -width VM_PAGER_ERROR 94.It Dv VM_PAGER_OK 95The page was successfully written. 96The implementation must call 97.Xr vm_pager_undirty 9 98to mark the page as clean. --- 33 unchanged lines hidden (view full) --- 132(using 133.Xr vm_page_undirty 9 ) , 134either activate the page (if its wanted bit is set) 135or deactivate it (otherwise), and finally call 136.Xr vm_page_wakeup 9 137to arouse any threads currently waiting for the page to be faulted in, 138for each page read. 139.Sh RETURN VALUES | 91.Fa rtvals[] . 92The possible status values are as follows: 93.Bl -tag -width VM_PAGER_ERROR 94.It Dv VM_PAGER_OK 95The page was successfully written. 96The implementation must call 97.Xr vm_pager_undirty 9 98to mark the page as clean. --- 33 unchanged lines hidden (view full) --- 132(using 133.Xr vm_page_undirty 9 ) , 134either activate the page (if its wanted bit is set) 135or deactivate it (otherwise), and finally call 136.Xr vm_page_wakeup 9 137to arouse any threads currently waiting for the page to be faulted in, 138for each page read. 139.Sh RETURN VALUES |
| 140If it successfully reads | 140If it successfully reads |
| 141.Fa m[reqpage] , 142.Fn VOP_GETPAGES 143returns 144.Dv VM_PAGER_OK ; 145otherwise, 146.Dv VM_PAGER_ERROR . 147By convention, the return value of 148.Fn VOP_PUTPAGES --- 14 unchanged lines hidden --- | 141.Fa m[reqpage] , 142.Fn VOP_GETPAGES 143returns 144.Dv VM_PAGER_OK ; 145otherwise, 146.Dv VM_PAGER_ERROR . 147By convention, the return value of 148.Fn VOP_PUTPAGES --- 14 unchanged lines hidden --- |