1 files changed, 0 insertions, 516 deletions
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
deleted file mode 100644
index d93d8dd1958..00000000000
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ /dev/null
@@ -1,516 +0,0 @@
-/*
- * 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 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.  See the
- * GNU General Public License for more details.
- *
- * 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_bit.h"
-#include "xfs_log.h"
-#include "xfs_inum.h"
-#include "xfs_sb.h"
-#include "xfs_ag.h"
-#include "xfs_dir2.h"
-#include "xfs_trans.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_alloc.h"
-#include "xfs_btree.h"
-#include "xfs_attr_sf.h"
-#include "xfs_dir2_sf.h"
-#include "xfs_dinode.h"
-#include "xfs_inode.h"
-#include "xfs_error.h"
-#include "xfs_rw.h"
-#include "xfs_ioctl32.h"
-
-#include <linux/dcache.h>
-#include <linux/smp_lock.h>
-
-static struct vm_operations_struct xfs_file_vm_ops;
-#ifdef CONFIG_XFS_DMAPI
-static struct vm_operations_struct xfs_dmapi_file_vm_ops;
-#endif
-
-STATIC inline ssize_t
-__xfs_file_read(
-	struct kiocb		*iocb,
-	const struct iovec	*iov,
-	unsigned long		nr_segs,
-	int			ioflags,
-	loff_t			pos)
-{
-	struct file		*file = iocb->ki_filp;
-	bhv_vnode_t		*vp = vn_from_inode(file->f_dentry->d_inode);
-
-	BUG_ON(iocb->ki_pos != pos);
-	if (unlikely(file->f_flags & O_DIRECT))
-		ioflags |= IO_ISDIRECT;
-	return bhv_vop_read(vp, iocb, iov, nr_segs, &iocb->ki_pos,
-				ioflags, NULL);
-}
-
-STATIC ssize_t
-xfs_file_aio_read(
-	struct kiocb		*iocb,
-	const struct iovec	*iov,
-	unsigned long		nr_segs,
-	loff_t			pos)
-{
-	return __xfs_file_read(iocb, iov, nr_segs, IO_ISAIO, pos);
-}
-
-STATIC ssize_t
-xfs_file_aio_read_invis(
-	struct kiocb		*iocb,
-	const struct iovec	*iov,
-	unsigned long		nr_segs,
-	loff_t			pos)
-{
-	return __xfs_file_read(iocb, iov, nr_segs, IO_ISAIO|IO_INVIS, pos);
-}
-
-STATIC inline ssize_t
-__xfs_file_write(
-	struct kiocb		*iocb,
-	const struct iovec	*iov,
-	unsigned long		nr_segs,
-	int			ioflags,
-	loff_t			pos)
-{
-	struct file	*file = iocb->ki_filp;
-	struct inode	*inode = file->f_mapping->host;
-	bhv_vnode_t	*vp = vn_from_inode(inode);
-
-	BUG_ON(iocb->ki_pos != pos);
-	if (unlikely(file->f_flags & O_DIRECT))
-		ioflags |= IO_ISDIRECT;
-	return bhv_vop_write(vp, iocb, iov, nr_segs, &iocb->ki_pos,
-				ioflags, NULL);
-}
-
-STATIC ssize_t
-xfs_file_aio_write(
-	struct kiocb		*iocb,
-	const struct iovec	*iov,
-	unsigned long		nr_segs,
-	loff_t			pos)
-{
-	return __xfs_file_write(iocb, iov, nr_segs, IO_ISAIO, pos);
-}
-
-STATIC ssize_t
-xfs_file_aio_write_invis(
-	struct kiocb		*iocb,
-	const struct iovec	*iov,
-	unsigned long		nr_segs,
-	loff_t			pos)
-{
-	return __xfs_file_write(iocb, iov, nr_segs, IO_ISAIO|IO_INVIS, pos);
-}
-
-STATIC ssize_t
-xfs_file_sendfile(
-	struct file		*filp,
-	loff_t			*pos,
-	size_t			count,
-	read_actor_t		actor,
-	void			*target)
-{
-	return bhv_vop_sendfile(vn_from_inode(filp->f_dentry->d_inode),
-				filp, pos, 0, count, actor, target, NULL);
-}
-
-STATIC ssize_t
-xfs_file_sendfile_invis(
-	struct file		*filp,
-	loff_t			*pos,
-	size_t			count,
-	read_actor_t		actor,
-	void			*target)
-{
-	return bhv_vop_sendfile(vn_from_inode(filp->f_dentry->d_inode),
-				filp, pos, IO_INVIS, count, actor, target, NULL);
-}
-
-STATIC ssize_t
-xfs_file_splice_read(
-	struct file		*infilp,
-	loff_t			*ppos,
-	struct pipe_inode_info	*pipe,
-	size_t			len,
-	unsigned int		flags)
-{
-	return bhv_vop_splice_read(vn_from_inode(infilp->f_dentry->d_inode),
-				   infilp, ppos, pipe, len, flags, 0, NULL);
-}
-
-STATIC ssize_t
-xfs_file_splice_read_invis(
-	struct file		*infilp,
-	loff_t			*ppos,
-	struct pipe_inode_info	*pipe,
-	size_t			len,
-	unsigned int		flags)
-{
-	return bhv_vop_splice_read(vn_from_inode(infilp->f_dentry->d_inode),
-				   infilp, ppos, pipe, len, flags, IO_INVIS,
-				   NULL);
-}
-
-STATIC ssize_t
-xfs_file_splice_write(
-	struct pipe_inode_info	*pipe,
-	struct file		*outfilp,
-	loff_t			*ppos,
-	size_t			len,
-	unsigned int		flags)
-{
-	return bhv_vop_splice_write(vn_from_inode(outfilp->f_dentry->d_inode),
-				    pipe, outfilp, ppos, len, flags, 0, NULL);
-}
-
-STATIC ssize_t
-xfs_file_splice_write_invis(
-	struct pipe_inode_info	*pipe,
-	struct file		*outfilp,
-	loff_t			*ppos,
-	size_t			len,
-	unsigned int		flags)
-{
-	return bhv_vop_splice_write(vn_from_inode(outfilp->f_dentry->d_inode),
-				    pipe, outfilp, ppos, len, flags, IO_INVIS,
-				    NULL);
-}
-
-STATIC int
-xfs_file_open(
-	struct inode	*inode,
-	struct file	*filp)
-{
-	if (!(filp->f_flags & O_LARGEFILE) && i_size_read(inode) > MAX_NON_LFS)
-		return -EFBIG;
-	return -bhv_vop_open(vn_from_inode(inode), NULL);
-}
-
-STATIC int
-xfs_file_close(
-	struct file	*filp,
-	fl_owner_t	id)
-{
-	return -bhv_vop_close(vn_from_inode(filp->f_dentry->d_inode), 0,
-				file_count(filp) > 1 ? L_FALSE : L_TRUE, NULL);
-}
-
-STATIC int
-xfs_file_release(
-	struct inode	*inode,
-	struct file	*filp)
-{
-	bhv_vnode_t	*vp = vn_from_inode(inode);
-
-	if (vp)
-		return -bhv_vop_release(vp);
-	return 0;
-}
-
-STATIC int
-xfs_file_fsync(
-	struct file	*filp,
-	struct dentry	*dentry,
-	int		datasync)
-{
-	bhv_vnode_t	*vp = vn_from_inode(dentry->d_inode);
-	int		flags = FSYNC_WAIT;
-
-	if (datasync)
-		flags |= FSYNC_DATA;
-	if (VN_TRUNC(vp))
-		VUNTRUNCATE(vp);
-	return -bhv_vop_fsync(vp, flags, NULL, (xfs_off_t)0, (xfs_off_t)-1);
-}
-
-#ifdef CONFIG_XFS_DMAPI
-STATIC struct page *
-xfs_vm_nopage(
-	struct vm_area_struct	*area,
-	unsigned long		address,
-	int			*type)
-{
-	struct inode	*inode = area->vm_file->f_dentry->d_inode;
-	bhv_vnode_t	*vp = vn_from_inode(inode);
-
-	ASSERT_ALWAYS(vp->v_vfsp->vfs_flag & VFS_DMI);
-	if (XFS_SEND_MMAP(XFS_VFSTOM(vp->v_vfsp), area, 0))
-		return NULL;
-	return filemap_nopage(area, address, type);
-}
-#endif /* CONFIG_XFS_DMAPI */
-
-STATIC int
-xfs_file_readdir(
-	struct file	*filp,
-	void		*dirent,
-	filldir_t	filldir)
-{
-	int		error = 0;
-	bhv_vnode_t	*vp = vn_from_inode(filp->f_dentry->d_inode);
-	uio_t		uio;
-	iovec_t		iov;
-	int		eof = 0;
-	caddr_t		read_buf;
-	int		namelen, size = 0;
-	size_t		rlen = PAGE_CACHE_SIZE;
-	xfs_off_t	start_offset, curr_offset;
-	xfs_dirent_t	*dbp = NULL;
-
-	/* Try fairly hard to get memory */
-	do {
-		if ((read_buf = kmalloc(rlen, GFP_KERNEL)))
-			break;
-		rlen >>= 1;
-	} while (rlen >= 1024);
-
-	if (read_buf == NULL)
-		return -ENOMEM;
-
-	uio.uio_iov = &iov;
-	uio.uio_segflg = UIO_SYSSPACE;
-	curr_offset = filp->f_pos;
-	if (filp->f_pos != 0x7fffffff)
-		uio.uio_offset = filp->f_pos;
-	else
-		uio.uio_offset = 0xffffffff;
-
-	while (!eof) {
-		uio.uio_resid = iov.iov_len = rlen;
-		iov.iov_base = read_buf;
-		uio.uio_iovcnt = 1;
-
-		start_offset = uio.uio_offset;
-
-		error = bhv_vop_readdir(vp, &uio, NULL, &eof);
-		if ((uio.uio_offset == start_offset) || error) {
-			size = 0;
-			break;
-		}
-
-		size = rlen - uio.uio_resid;
-		dbp = (xfs_dirent_t *)read_buf;
-		while (size > 0) {
-			namelen = strlen(dbp->d_name);
-
-			if (filldir(dirent, dbp->d_name, namelen,
-					(loff_t) curr_offset & 0x7fffffff,
-					(ino_t) dbp->d_ino,
-					DT_UNKNOWN)) {
-				goto done;
-			}
-			size -= dbp->d_reclen;
-			curr_offset = (loff_t)dbp->d_off /* & 0x7fffffff */;
-			dbp = (xfs_dirent_t *)((char *)dbp + dbp->d_reclen);
-		}
-	}
-done:
-	if (!error) {
-		if (size == 0)
-			filp->f_pos = uio.uio_offset & 0x7fffffff;
-		else if (dbp)
-			filp->f_pos = curr_offset;
-	}
-
-	kfree(read_buf);
-	return -error;
-}
-
-STATIC int
-xfs_file_mmap(
-	struct file	*filp,
-	struct vm_area_struct *vma)
-{
-	vma->vm_ops = &xfs_file_vm_ops;
-
-#ifdef CONFIG_XFS_DMAPI
-	if (vn_from_inode(filp->f_dentry->d_inode)->v_vfsp->vfs_flag & VFS_DMI)
-		vma->vm_ops = &xfs_dmapi_file_vm_ops;
-#endif /* CONFIG_XFS_DMAPI */
-
-	file_accessed(filp);
-	return 0;
-}
-
-STATIC long
-xfs_file_ioctl(
-	struct file	*filp,
-	unsigned int	cmd,
-	unsigned long	p)
-{
-	int		error;
-	struct inode	*inode = filp->f_dentry->d_inode;
-	bhv_vnode_t	*vp = vn_from_inode(inode);
-
-	error = bhv_vop_ioctl(vp, inode, filp, 0, cmd, (void __user *)p);
-	VMODIFY(vp);
-
-	/* NOTE:  some of the ioctl's return positive #'s as a
-	 *	  byte count indicating success, such as
-	 *	  readlink_by_handle.  So we don't "sign flip"
-	 *	  like most other routines.  This means true
-	 *	  errors need to be returned as a negative value.
-	 */
-	return error;
-}
-
-STATIC long
-xfs_file_ioctl_invis(
-	struct file	*filp,
-	unsigned int	cmd,
-	unsigned long	p)
-{
-	int		error;
-	struct inode	*inode = filp->f_dentry->d_inode;
-	bhv_vnode_t	*vp = vn_from_inode(inode);
-
-	error = bhv_vop_ioctl(vp, inode, filp, IO_INVIS, cmd, (void __user *)p);
-	VMODIFY(vp);
-
-	/* NOTE:  some of the ioctl's return positive #'s as a
-	 *	  byte count indicating success, such as
-	 *	  readlink_by_handle.  So we don't "sign flip"
-	 *	  like most other routines.  This means true
-	 *	  errors need to be returned as a negative value.
-	 */
-	return error;
-}
-
-#ifdef CONFIG_XFS_DMAPI
-#ifdef HAVE_VMOP_MPROTECT
-STATIC int
-xfs_vm_mprotect(
-	struct vm_area_struct *vma,
-	unsigned int	newflags)
-{
-	bhv_vnode_t	*vp = vn_from_inode(vma->vm_file->f_dentry->d_inode);
-	int		error = 0;
-
-	if (vp->v_vfsp->vfs_flag & VFS_DMI) {
-		if ((vma->vm_flags & VM_MAYSHARE) &&
-		    (newflags & VM_WRITE) && !(vma->vm_flags & VM_WRITE)) {
-			xfs_mount_t	*mp = XFS_VFSTOM(vp->v_vfsp);
-
-			error = XFS_SEND_MMAP(mp, vma, VM_WRITE);
-		    }
-	}
-	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
- * we have to trigger a DMAPI READ event before the file is marked as busy
- * otherwise the invisible I/O will not be able to write to the file to bring
- * it back online.
- */
-STATIC int
-xfs_file_open_exec(
-	struct inode	*inode)
-{
-	bhv_vnode_t	*vp = vn_from_inode(inode);
-
-	if (unlikely(vp->v_vfsp->vfs_flag & VFS_DMI)) {
-		xfs_mount_t	*mp = XFS_VFSTOM(vp->v_vfsp);
-		xfs_inode_t	*ip = xfs_vtoi(vp);
-
-		if (!ip)
-			return -EINVAL;
-		if (DM_EVENT_ENABLED(vp->v_vfsp, ip, DM_EVENT_READ))
-			return -XFS_SEND_DATA(mp, DM_EVENT_READ, vp,
-					       0, 0, 0, NULL);
-	}
-	return 0;
-}
-#endif /* HAVE_FOP_OPEN_EXEC */
-
-const struct file_operations xfs_file_operations = {
-	.llseek		= generic_file_llseek,
-	.read		= do_sync_read,
-	.write		= do_sync_write,
-	.aio_read	= xfs_file_aio_read,
-	.aio_write	= xfs_file_aio_write,
-	.sendfile	= xfs_file_sendfile,
-	.splice_read	= xfs_file_splice_read,
-	.splice_write	= xfs_file_splice_write,
-	.unlocked_ioctl	= xfs_file_ioctl,
-#ifdef CONFIG_COMPAT
-	.compat_ioctl	= xfs_file_compat_ioctl,
-#endif
-	.mmap		= xfs_file_mmap,
-	.open		= xfs_file_open,
-	.flush		= xfs_file_close,
-	.release	= xfs_file_release,
-	.fsync		= xfs_file_fsync,
-#ifdef HAVE_FOP_OPEN_EXEC
-	.open_exec	= xfs_file_open_exec,
-#endif
-};
-
-const struct file_operations xfs_invis_file_operations = {
-	.llseek		= generic_file_llseek,
-	.read		= do_sync_read,
-	.write		= do_sync_write,
-	.aio_read	= xfs_file_aio_read_invis,
-	.aio_write	= xfs_file_aio_write_invis,
-	.sendfile	= xfs_file_sendfile_invis,
-	.splice_read	= xfs_file_splice_read_invis,
-	.splice_write	= xfs_file_splice_write_invis,
-	.unlocked_ioctl	= xfs_file_ioctl_invis,
-#ifdef CONFIG_COMPAT
-	.compat_ioctl	= xfs_file_compat_invis_ioctl,
-#endif
-	.mmap		= xfs_file_mmap,
-	.open		= xfs_file_open,
-	.flush		= xfs_file_close,
-	.release	= xfs_file_release,
-	.fsync		= xfs_file_fsync,
-};
-
-
-const struct file_operations xfs_dir_file_operations = {
-	.read		= generic_read_dir,
-	.readdir	= xfs_file_readdir,
-	.unlocked_ioctl	= xfs_file_ioctl,
-#ifdef CONFIG_COMPAT
-	.compat_ioctl	= xfs_file_compat_ioctl,
-#endif
-	.fsync		= xfs_file_fsync,
-};
-
-static struct vm_operations_struct xfs_file_vm_ops = {
-	.nopage		= filemap_nopage,
-	.populate	= filemap_populate,
-};
-
-#ifdef CONFIG_XFS_DMAPI
-static struct vm_operations_struct xfs_dmapi_file_vm_ops = {
-	.nopage		= xfs_vm_nopage,
-	.populate	= filemap_populate,
-#ifdef HAVE_VMOP_MPROTECT
-	.mprotect	= xfs_vm_mprotect,
-#endif
-};
-#endif /* CONFIG_XFS_DMAPI */