/*
- * Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2000-2005 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_inum.h"
+#include "xfs_bit.h"
#include "xfs_log.h"
+#include "xfs_inum.h"
#include "xfs_sb.h"
+#include "xfs_ag.h"
#include "xfs_dir.h"
#include "xfs_dir2.h"
#include "xfs_trans.h"
#include <linux/smp_lock.h>
static struct vm_operations_struct linvfs_file_vm_ops;
-
+#ifdef CONFIG_XFS_DMAPI
+static struct vm_operations_struct linvfs_dmapi_file_vm_ops;
+#endif
STATIC inline ssize_t
__linvfs_read(
#define nextdp(dp) ((struct xfs_dirent *)((char *)(dp) + (dp)->d_reclen))
+#ifdef CONFIG_XFS_DMAPI
+
+STATIC struct page *
+linvfs_filemap_nopage(
+ struct vm_area_struct *area,
+ unsigned long address,
+ int *type)
+{
+ struct inode *inode = area->vm_file->f_dentry->d_inode;
+ vnode_t *vp = LINVFS_GET_VP(inode);
+ xfs_mount_t *mp = XFS_VFSTOM(vp->v_vfsp);
+ int error;
+
+ ASSERT_ALWAYS(vp->v_vfsp->vfs_flag & VFS_DMI);
+
+ error = XFS_SEND_MMAP(mp, area, 0);
+ if (error)
+ return NULL;
+
+ return filemap_nopage(area, address, type);
+}
+
+#endif /* CONFIG_XFS_DMAPI */
+
+
STATIC int
linvfs_readdir(
struct file *filp,
vattr_t va = { .va_mask = XFS_AT_UPDATIME };
int error;
- if (vp->v_vfsp->vfs_flag & VFS_DMI) {
- xfs_mount_t *mp = XFS_VFSTOM(vp->v_vfsp);
+ vma->vm_ops = &linvfs_file_vm_ops;
- error = -XFS_SEND_MMAP(mp, vma, 0);
- if (error)
- return error;
+#ifdef CONFIG_XFS_DMAPI
+ if (vp->v_vfsp->vfs_flag & VFS_DMI) {
+ vma->vm_ops = &linvfs_dmapi_file_vm_ops;
}
-
- vma->vm_ops = &linvfs_file_vm_ops;
+#endif /* CONFIG_XFS_DMAPI */
VOP_SETATTR(vp, &va, XFS_AT_UPDATIME, NULL, error);
if (!error)
return error;
}
+#ifdef CONFIG_XFS_DMAPI
#ifdef HAVE_VMOP_MPROTECT
STATIC int
linvfs_mprotect(
return error;
}
#endif /* HAVE_VMOP_MPROTECT */
+#endif /* CONFIG_XFS_DMAPI */
#ifdef HAVE_FOP_OPEN_EXEC
/* If the user is attempting to execute a file that is offline then
}
#endif /* HAVE_FOP_OPEN_EXEC */
-/*
- * Temporary workaround to the AIO direct IO write problem.
- * This code can go and we can revert to do_sync_write once
- * the writepage(s) rework is merged.
- */
-STATIC ssize_t
-linvfs_write(
- struct file *filp,
- const char __user *buf,
- size_t len,
- loff_t *ppos)
-{
- struct kiocb kiocb;
- ssize_t ret;
-
- init_sync_kiocb(&kiocb, filp);
- kiocb.ki_pos = *ppos;
- ret = __linvfs_write(&kiocb, buf, 0, len, kiocb.ki_pos);
- *ppos = kiocb.ki_pos;
- return ret;
-}
-STATIC ssize_t
-linvfs_write_invis(
- struct file *filp,
- const char __user *buf,
- size_t len,
- loff_t *ppos)
-{
- struct kiocb kiocb;
- ssize_t ret;
-
- init_sync_kiocb(&kiocb, filp);
- kiocb.ki_pos = *ppos;
- ret = __linvfs_write(&kiocb, buf, IO_INVIS, len, kiocb.ki_pos);
- *ppos = kiocb.ki_pos;
- return ret;
-}
-
-
struct file_operations linvfs_file_operations = {
.llseek = generic_file_llseek,
.read = do_sync_read,
- .write = linvfs_write,
+ .write = do_sync_write,
.readv = linvfs_readv,
.writev = linvfs_writev,
.aio_read = linvfs_aio_read,
struct file_operations linvfs_invis_file_operations = {
.llseek = generic_file_llseek,
.read = do_sync_read,
- .write = linvfs_write_invis,
+ .write = do_sync_write,
.readv = linvfs_readv_invis,
.writev = linvfs_writev_invis,
.aio_read = linvfs_aio_read_invis,
static struct vm_operations_struct linvfs_file_vm_ops = {
.nopage = filemap_nopage,
.populate = filemap_populate,
+};
+
+#ifdef CONFIG_XFS_DMAPI
+static struct vm_operations_struct linvfs_dmapi_file_vm_ops = {
+ .nopage = linvfs_filemap_nopage,
+ .populate = filemap_populate,
#ifdef HAVE_VMOP_MPROTECT
.mprotect = linvfs_mprotect,
#endif
};
+#endif /* CONFIG_XFS_DMAPI */