/*
- * Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2000-2006 Silicon Graphics, Inc.
+ * All Rights Reserved.
*
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of version 2 of the GNU General Public License as
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation.
*
- * This program is distributed in the hope that it would be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
*
- * Further, this software is distributed without any warranty that it is
- * free of the rightful claim of any third person regarding infringement
- * or the like. Any license provided herein, whether implied or
- * otherwise, applies only to this software file. Patent licenses, if
- * any, provided herein do not apply to combinations of this program with
- * other software, or any other product whatsoever.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write the Free Software Foundation, Inc., 59
- * Temple Place - Suite 330, Boston MA 02111-1307, USA.
- *
- * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
- * Mountain View, CA 94043, or:
- *
- * http://www.sgi.com
- *
- * For further information regarding this notice, see:
- *
- * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "xfs.h"
#include "xfs_fs.h"
#include "xfs_trans.h"
#include "xfs_sb.h"
#include "xfs_ag.h"
-#include "xfs_dir.h"
#include "xfs_dir2.h"
#include "xfs_dmapi.h"
#include "xfs_mount.h"
#include "xfs_bmap_btree.h"
#include "xfs_alloc_btree.h"
#include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
#include "xfs_dir2_sf.h"
#include "xfs_attr_sf.h"
#include "xfs_dinode.h"
xfs_swapext_t __user *sxu)
{
xfs_swapext_t *sxp;
- xfs_inode_t *ip=NULL, *tip=NULL, *ips[2];
- xfs_trans_t *tp;
+ xfs_inode_t *ip=NULL, *tip=NULL;
xfs_mount_t *mp;
- xfs_bstat_t *sbp;
struct file *fp = NULL, *tfp = NULL;
- vnode_t *vp, *tvp;
- bhv_desc_t *bdp, *tbdp;
- vn_bhv_head_t *bhp, *tbhp;
- static uint lock_flags = XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL;
- int ilf_fields, tilf_fields;
+ bhv_vnode_t *vp, *tvp;
int error = 0;
- xfs_ifork_t *tempifp, *ifp, *tifp;
- __uint64_t tmp;
- int aforkblks = 0;
- int taforkblks = 0;
- char locked = 0;
sxp = kmem_alloc(sizeof(xfs_swapext_t), KM_MAYFAIL);
- tempifp = kmem_alloc(sizeof(xfs_ifork_t), KM_MAYFAIL);
- if (!sxp || !tempifp) {
+ if (!sxp) {
error = XFS_ERROR(ENOMEM);
goto error0;
}
/* Pull information for the target fd */
if (((fp = fget((int)sxp->sx_fdtarget)) == NULL) ||
- ((vp = LINVFS_GET_VP(fp->f_dentry->d_inode)) == NULL)) {
+ ((vp = vn_from_inode(fp->f_dentry->d_inode)) == NULL)) {
error = XFS_ERROR(EINVAL);
goto error0;
}
- bhp = VN_BHV_HEAD(vp);
- bdp = vn_bhv_lookup(bhp, &xfs_vnodeops);
- if (bdp == NULL) {
+ ip = xfs_vtoi(vp);
+ if (ip == NULL) {
error = XFS_ERROR(EBADF);
goto error0;
- } else {
- ip = XFS_BHVTOI(bdp);
}
if (((tfp = fget((int)sxp->sx_fdtmp)) == NULL) ||
- ((tvp = LINVFS_GET_VP(tfp->f_dentry->d_inode)) == NULL)) {
+ ((tvp = vn_from_inode(tfp->f_dentry->d_inode)) == NULL)) {
error = XFS_ERROR(EINVAL);
goto error0;
}
- tbhp = VN_BHV_HEAD(tvp);
- tbdp = vn_bhv_lookup(tbhp, &xfs_vnodeops);
- if (tbdp == NULL) {
+ tip = xfs_vtoi(tvp);
+ if (tip == NULL) {
error = XFS_ERROR(EBADF);
goto error0;
- } else {
- tip = XFS_BHVTOI(tbdp);
}
if (ip->i_mount != tip->i_mount) {
mp = ip->i_mount;
- sbp = &sxp->sx_stat;
-
if (XFS_FORCED_SHUTDOWN(mp)) {
error = XFS_ERROR(EIO);
goto error0;
}
- locked = 1;
+ error = XFS_SWAP_EXTENTS(mp, &ip->i_iocore, &tip->i_iocore, sxp);
+
+ error0:
+ if (fp != NULL)
+ fput(fp);
+ if (tfp != NULL)
+ fput(tfp);
+
+ if (sxp != NULL)
+ kmem_free(sxp, sizeof(xfs_swapext_t));
+
+ return error;
+}
+
+int
+xfs_swap_extents(
+ xfs_inode_t *ip,
+ xfs_inode_t *tip,
+ xfs_swapext_t *sxp)
+{
+ xfs_mount_t *mp;
+ xfs_inode_t *ips[2];
+ xfs_trans_t *tp;
+ xfs_bstat_t *sbp = &sxp->sx_stat;
+ bhv_vnode_t *vp, *tvp;
+ xfs_ifork_t *tempifp, *ifp, *tifp;
+ int ilf_fields, tilf_fields;
+ static uint lock_flags = XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL;
+ int error = 0;
+ int aforkblks = 0;
+ int taforkblks = 0;
+ __uint64_t tmp;
+ char locked = 0;
+
+ mp = ip->i_mount;
+
+ tempifp = kmem_alloc(sizeof(xfs_ifork_t), KM_MAYFAIL);
+ if (!tempifp) {
+ error = XFS_ERROR(ENOMEM);
+ goto error0;
+ }
+
+ sbp = &sxp->sx_stat;
+ vp = XFS_ITOV(ip);
+ tvp = XFS_ITOV(tip);
/* Lock in i_ino order */
if (ip->i_ino < tip->i_ino) {
}
xfs_lock_inodes(ips, 2, 0, lock_flags);
+ locked = 1;
/* Check permissions */
error = xfs_iaccess(ip, S_IWUSR, NULL);
if (VN_CACHED(tvp) != 0) {
xfs_inval_cached_trace(&tip->i_iocore, 0, -1, 0, -1);
- VOP_FLUSHINVAL_PAGES(tvp, 0, -1, FI_REMAPF_LOCKED);
+ bhv_vop_flushinval_pages(tvp, 0, -1, FI_REMAPF_LOCKED);
}
/* Verify O_DIRECT for ftmp */
/* We need to fail if the file is memory mapped. Once we have tossed
* all existing pages, the page fault will have no option
* but to go to the filesystem for pages. By making the page fault call
- * VOP_READ (or write in the case of autogrow) they block on the iolock
+ * vop_read (or write in the case of autogrow) they block on the iolock
* until we have switched the extents.
*/
if (VN_MAPPED(vp)) {
* fields change.
*/
- VOP_TOSS_PAGES(vp, 0, -1, FI_REMAPF);
+ bhv_vop_toss_pages(vp, 0, -1, FI_REMAPF);
tp = xfs_trans_alloc(mp, XFS_TRANS_SWAPEXT);
if ((error = xfs_trans_reserve(tp, 0,
xfs_iunlock(ip, lock_flags);
xfs_iunlock(tip, lock_flags);
}
-
- if (fp != NULL)
- fput(fp);
- if (tfp != NULL)
- fput(tfp);
-
- if (sxp != NULL)
- kmem_free(sxp, sizeof(xfs_swapext_t));
if (tempifp != NULL)
kmem_free(tempifp, sizeof(xfs_ifork_t));
-
return error;
}