File: [Development] / xfs-linux / xfs_dmapi.h (download)
Revision 1.31, Tue Jul 30 16:20:26 2002 UTC (15 years, 3 months ago) by roehrich
Branch: MAIN
Changes since 1.30: +2 -2
lines
fix build after dmapi src move
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/*
* Copyright (c) 2000-2002 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
* 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.
*
* 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/
*/
#ifndef __XFS_DMAPI_H__
#define __XFS_DMAPI_H__
#ifdef CONFIG_XFS_DMAPI
#include <dmapi/dmapi.h>
#include <dmapi/dmapi_kern.h>
/* Values used to define the on-disk version of dm_attrname_t. All
* on-disk attribute names start with the 8-byte string "SGI_DMI_".
*
* In the on-disk inode, DMAPI attribute names consist of the user-provided
* name with the DMATTR_PREFIXSTRING pre-pended. This string must NEVER be
* changed.
*/
#define DMATTR_PREFIXLEN 8
#define DMATTR_PREFIXSTRING "SGI_DMI_"
/* Defines for determining if an event message should be sent. */
#define DM_EVENT_ENABLED(vfsp, ip, event) ( \
unlikely ((vfsp)->vfs_flag & VFS_DMI) && \
( ((ip)->i_d.di_dmevmask & (1 << event)) || \
((ip)->i_mount->m_dmevmask & (1 << event)) ) \
)
#define DM_EVENT_ENABLED_IO(vfsp, io, event) ( \
unlikely ((vfsp)->vfs_flag & VFS_DMI) && \
( ((io)->io_dmevmask & (1 << event)) || \
((io)->io_mount->m_dmevmask & (1 << event)) ) \
)
/*
* Macros to turn caller specified delay/block flags into
* dm_send_xxxx_event flag DM_FLAGS_NDELAY.
*/
#define FILP_DELAY_FLAG(filp) ((filp->f_flags&(O_NDELAY|O_NONBLOCK)) ? \
DM_FLAGS_NDELAY : 0)
#define AT_DELAY_FLAG(f) ((f&ATTR_NONBLOCK) ? DM_FLAGS_NDELAY : 0)
/* events valid in dm_set_eventlist() when called with a filesystem handle.
These events are not persistent.
*/
#define DM_XFS_VALID_FS_EVENTS ( \
(1 << DM_EVENT_PREUNMOUNT) | \
(1 << DM_EVENT_UNMOUNT) | \
(1 << DM_EVENT_NOSPACE) | \
(1 << DM_EVENT_DEBUT) | \
(1 << DM_EVENT_CREATE) | \
(1 << DM_EVENT_POSTCREATE) | \
(1 << DM_EVENT_REMOVE) | \
(1 << DM_EVENT_POSTREMOVE) | \
(1 << DM_EVENT_RENAME) | \
(1 << DM_EVENT_POSTRENAME) | \
(1 << DM_EVENT_LINK) | \
(1 << DM_EVENT_POSTLINK) | \
(1 << DM_EVENT_SYMLINK) | \
(1 << DM_EVENT_POSTSYMLINK) | \
(1 << DM_EVENT_ATTRIBUTE) | \
(1 << DM_EVENT_DESTROY) )
/* Events valid in dm_set_eventlist() when called with a file handle for
a regular file or a symlink. These events are persistent.
*/
#define DM_XFS_VALID_FILE_EVENTS ( \
(1 << DM_EVENT_ATTRIBUTE) | \
(1 << DM_EVENT_DESTROY) )
/* Events valid in dm_set_eventlist() when called with a file handle for
a directory. These events are persistent.
*/
#define DM_XFS_VALID_DIRECTORY_EVENTS ( \
(1 << DM_EVENT_CREATE) | \
(1 << DM_EVENT_POSTCREATE) | \
(1 << DM_EVENT_REMOVE) | \
(1 << DM_EVENT_POSTREMOVE) | \
(1 << DM_EVENT_RENAME) | \
(1 << DM_EVENT_POSTRENAME) | \
(1 << DM_EVENT_LINK) | \
(1 << DM_EVENT_POSTLINK) | \
(1 << DM_EVENT_SYMLINK) | \
(1 << DM_EVENT_POSTSYMLINK) | \
(1 << DM_EVENT_ATTRIBUTE) | \
(1 << DM_EVENT_DESTROY) )
/* Events supported by the XFS filesystem. */
#define DM_XFS_SUPPORTED_EVENTS ( \
(1 << DM_EVENT_MOUNT) | \
(1 << DM_EVENT_PREUNMOUNT) | \
(1 << DM_EVENT_UNMOUNT) | \
(1 << DM_EVENT_NOSPACE) | \
(1 << DM_EVENT_CREATE) | \
(1 << DM_EVENT_POSTCREATE) | \
(1 << DM_EVENT_REMOVE) | \
(1 << DM_EVENT_POSTREMOVE) | \
(1 << DM_EVENT_RENAME) | \
(1 << DM_EVENT_POSTRENAME) | \
(1 << DM_EVENT_LINK) | \
(1 << DM_EVENT_POSTLINK) | \
(1 << DM_EVENT_SYMLINK) | \
(1 << DM_EVENT_POSTSYMLINK) | \
(1 << DM_EVENT_READ) | \
(1 << DM_EVENT_WRITE) | \
(1 << DM_EVENT_TRUNCATE) | \
(1 << DM_EVENT_ATTRIBUTE) | \
(1 << DM_EVENT_DESTROY) )
extern int
xfs_dm_mount(
vfs_t *vfsp,
char *dir_name,
char *fsname);
extern int
xfs_dm_get_fsys_vector(
bhv_desc_t *bdp,
dm_fcntl_vector_t *vecrq);
extern int
xfs_dm_send_data_event(
dm_eventtype_t event,
bhv_desc_t *bdp,
xfs_off_t offset,
size_t length,
int flags,
vrwlock_t *locktype);
extern int
xfs_dm_send_create_event(
bhv_desc_t *dir_bdp,
char *name,
mode_t new_mode,
int *good_event_sent);
extern int
xfs_dm_send_mmap_event(
struct vm_area_struct *vma,
unsigned int wantflag);
#else /* CONFIG_XFS_DMAPI */
/*
* Flags needed to build with dmapi disabled.
*/
typedef enum {
DM_EVENT_INVALID = -1,
DM_EVENT_CANCEL = 0, /* not supported */
DM_EVENT_MOUNT = 1,
DM_EVENT_PREUNMOUNT = 2,
DM_EVENT_UNMOUNT = 3,
DM_EVENT_DEBUT = 4, /* not supported */
DM_EVENT_CREATE = 5,
DM_EVENT_CLOSE = 6, /* not supported */
DM_EVENT_POSTCREATE = 7,
DM_EVENT_REMOVE = 8,
DM_EVENT_POSTREMOVE = 9,
DM_EVENT_RENAME = 10,
DM_EVENT_POSTRENAME = 11,
DM_EVENT_LINK = 12,
DM_EVENT_POSTLINK = 13,
DM_EVENT_SYMLINK = 14,
DM_EVENT_POSTSYMLINK = 15,
DM_EVENT_READ = 16,
DM_EVENT_WRITE = 17,
DM_EVENT_TRUNCATE = 18,
DM_EVENT_ATTRIBUTE = 19,
DM_EVENT_DESTROY = 20,
DM_EVENT_NOSPACE = 21,
DM_EVENT_USER = 22,
DM_EVENT_MAX = 23
} dm_eventtype_t;
typedef enum {
DM_RIGHT_NULL,
DM_RIGHT_SHARED,
DM_RIGHT_EXCL
} dm_right_t;
/*
* Defines for determining if an event message should be sent.
*/
#define DM_EVENT_ENABLED(vfsp, ip, event) 0
#define DM_EVENT_ENABLED_IO(vfsp, io, event) 0
/*
* Stubbed out DMAPI delay macros.
*/
#define FILP_DELAY_FLAG(filp) 0
#define AT_DELAY_FLAG(f) 0
/*
* Events supported by the XFS filesystem.
*/
#define DM_XFS_VALID_FS_EVENTS 0
#define DM_XFS_VALID_FILE_EVENTS 0
#define DM_XFS_VALID_DIRECTORY_EVENTS 0
#define DM_XFS_SUPPORTED_EVENTS 0
/*
* Dummy definitions used for the flags field on dm_send_*_event().
*/
#define DM_FLAGS_NDELAY 0x001 /* return EAGAIN after dm_pending() */
#define DM_FLAGS_UNWANTED 0x002 /* event not in fsys dm_eventset_t */
/*
* Stubs for XFS DMAPI utility routines.
*/
static __inline int
xfs_dm_send_create_event(
bhv_desc_t *dir_bdp,
char *name,
mode_t new_mode,
int *good_event_sent)
{
return 0;
}
static __inline int
xfs_dm_send_data_event(
dm_eventtype_t event,
bhv_desc_t *bdp,
xfs_off_t offset,
size_t length,
int flags,
vrwlock_t *locktype)
{
return nopkg();
}
static __inline int
xfs_dm_send_mmap_event(
struct vm_area_struct *vma,
unsigned int wantflag)
{
return 0;
}
/*
* Stubs for routines needed for the X/Open version of DMAPI.
*/
static __inline int
dm_send_destroy_event(
bhv_desc_t *bdp,
dm_right_t vp_right)
{
return nopkg();
}
static __inline int
dm_send_namesp_event(
dm_eventtype_t event,
bhv_desc_t *bdp1,
dm_right_t vp1_right,
bhv_desc_t *bdp2,
dm_right_t vp2_right,
char *name1,
char *name2,
mode_t mode,
int retcode,
int flags)
{
return nopkg();
}
static __inline void
dm_send_unmount_event(
vfs_t *vfsp,
vnode_t *vp,
dm_right_t vfsp_right,
mode_t mode,
int retcode,
int flags)
{
}
#endif /* CONFIG_XFS_DMAPI */
#endif /* __XFS_DMAPI_H__ */