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/*
* 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_fs.h"
#include "xfs_inum.h"
#include "xfs_log.h"
#include "xfs_clnt.h"
#include "xfs_trans.h"
#include "xfs_sb.h"
#include "xfs_ag.h"
#include "xfs_dir2.h"
#include "xfs_imap.h"
#include "xfs_alloc.h"
#include "xfs_dmapi.h"
#include "xfs_mount.h"
#include "xfs_quota.h"
int
vfs_mount(
struct bhv_desc *bdp,
struct xfs_mount_args *args,
struct cred *cr)
{
struct bhv_desc *next = bdp;
ASSERT(next);
while (! (bhvtovfsops(next))->vfs_mount)
next = BHV_NEXT(next);
return ((*bhvtovfsops(next)->vfs_mount)(next, args, cr));
}
int
vfs_parseargs(
struct bhv_desc *bdp,
char *s,
struct xfs_mount_args *args,
int f)
{
struct bhv_desc *next = bdp;
ASSERT(next);
while (! (bhvtovfsops(next))->vfs_parseargs)
next = BHV_NEXT(next);
return ((*bhvtovfsops(next)->vfs_parseargs)(next, s, args, f));
}
int
vfs_showargs(
struct bhv_desc *bdp,
struct seq_file *m)
{
struct bhv_desc *next = bdp;
ASSERT(next);
while (! (bhvtovfsops(next))->vfs_showargs)
next = BHV_NEXT(next);
return ((*bhvtovfsops(next)->vfs_showargs)(next, m));
}
int
vfs_unmount(
struct bhv_desc *bdp,
int fl,
struct cred *cr)
{
struct bhv_desc *next = bdp;
ASSERT(next);
while (! (bhvtovfsops(next))->vfs_unmount)
next = BHV_NEXT(next);
return ((*bhvtovfsops(next)->vfs_unmount)(next, fl, cr));
}
int
vfs_mntupdate(
struct bhv_desc *bdp,
int *fl,
struct xfs_mount_args *args)
{
struct bhv_desc *next = bdp;
ASSERT(next);
while (! (bhvtovfsops(next))->vfs_mntupdate)
next = BHV_NEXT(next);
return ((*bhvtovfsops(next)->vfs_mntupdate)(next, fl, args));
}
int
vfs_root(
struct bhv_desc *bdp,
bhv_vnode_t **vpp)
{
struct bhv_desc *next = bdp;
ASSERT(next);
while (! (bhvtovfsops(next))->vfs_root)
next = BHV_NEXT(next);
return ((*bhvtovfsops(next)->vfs_root)(next, vpp));
}
int
vfs_statvfs(
struct bhv_desc *bdp,
bhv_statvfs_t *statp,
bhv_vnode_t *vp)
{
struct bhv_desc *next = bdp;
ASSERT(next);
while (! (bhvtovfsops(next))->vfs_statvfs)
next = BHV_NEXT(next);
return ((*bhvtovfsops(next)->vfs_statvfs)(next, statp, vp));
}
int
vfs_sync(
struct bhv_desc *bdp,
int fl,
struct cred *cr)
{
struct bhv_desc *next = bdp;
ASSERT(next);
while (! (bhvtovfsops(next))->vfs_sync)
next = BHV_NEXT(next);
return ((*bhvtovfsops(next)->vfs_sync)(next, fl, cr));
}
int
vfs_vget(
struct bhv_desc *bdp,
bhv_vnode_t **vpp,
struct fid *fidp)
{
struct bhv_desc *next = bdp;
ASSERT(next);
while (! (bhvtovfsops(next))->vfs_vget)
next = BHV_NEXT(next);
return ((*bhvtovfsops(next)->vfs_vget)(next, vpp, fidp));
}
void
vfs_init_vnode(
struct bhv_desc *bdp,
bhv_vnode_t *vp,
struct xfs_inode *ip,
int unlock)
{
struct bhv_desc *next = bdp;
ASSERT(next);
while (! (bhvtovfsops(next))->vfs_init_vnode)
next = BHV_NEXT(next);
((*bhvtovfsops(next)->vfs_init_vnode)(next, vp, ip, unlock));
}
void
vfs_force_shutdown(
struct bhv_desc *bdp,
int fl,
char *file,
int line)
{
struct bhv_desc *next = bdp;
ASSERT(next);
while (! (bhvtovfsops(next))->vfs_force_shutdown)
next = BHV_NEXT(next);
((*bhvtovfsops(next)->vfs_force_shutdown)(next, fl, file, line));
}
void
vfs_freeze(
struct bhv_desc *bdp)
{
struct bhv_desc *next = bdp;
ASSERT(next);
while (! (bhvtovfsops(next))->vfs_freeze)
next = BHV_NEXT(next);
((*bhvtovfsops(next)->vfs_freeze)(next));
}
bhv_vfs_t *
vfs_allocate(
struct super_block *sb)
{
struct bhv_vfs *vfsp;
vfsp = kmem_zalloc(sizeof(bhv_vfs_t), KM_SLEEP);
INIT_LIST_HEAD(&vfsp->vfs_sync_list);
spin_lock_init(&vfsp->vfs_sync_lock);
init_waitqueue_head(&vfsp->vfs_wait_single_sync_task);
vfsp->vfs_super = sb;
sb->s_fs_info = vfsp;
if (sb->s_flags & MS_RDONLY)
vfsp->vfs_flag |= VFS_RDONLY;
return vfsp;
}
bhv_vfs_t *
vfs_from_sb(
struct super_block *sb)
{
return (bhv_vfs_t *)sb->s_fs_info;
}
void
vfs_deallocate(
struct bhv_vfs *vfsp)
{
kmem_free(vfsp, sizeof(bhv_vfs_t));
}
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