mirror of
https://github.com/torvalds/linux.git
synced 2024-11-14 16:12:02 +00:00
b267ce9952
Now that struct bhv_vfs doesn't have any members left we can kill it and go directly from the super_block to the xfs_mount everywhere. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29509a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
79 lines
3.1 KiB
C
79 lines
3.1 KiB
C
/*
|
|
* 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 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
|
|
*/
|
|
#ifndef __XFS_VFS_H__
|
|
#define __XFS_VFS_H__
|
|
|
|
#include <linux/vfs.h>
|
|
#include "xfs_fs.h"
|
|
|
|
struct inode;
|
|
|
|
struct fid;
|
|
struct cred;
|
|
struct seq_file;
|
|
struct super_block;
|
|
struct xfs_inode;
|
|
struct xfs_mount;
|
|
struct xfs_mount_args;
|
|
|
|
typedef struct kstatfs bhv_statvfs_t;
|
|
|
|
typedef struct bhv_vfs_sync_work {
|
|
struct list_head w_list;
|
|
struct xfs_mount *w_mount;
|
|
void *w_data; /* syncer routine argument */
|
|
void (*w_syncer)(struct xfs_mount *, void *);
|
|
} bhv_vfs_sync_work_t;
|
|
|
|
#define SYNC_ATTR 0x0001 /* sync attributes */
|
|
#define SYNC_CLOSE 0x0002 /* close file system down */
|
|
#define SYNC_DELWRI 0x0004 /* look at delayed writes */
|
|
#define SYNC_WAIT 0x0008 /* wait for i/o to complete */
|
|
#define SYNC_BDFLUSH 0x0010 /* BDFLUSH is calling -- don't block */
|
|
#define SYNC_FSDATA 0x0020 /* flush fs data (e.g. superblocks) */
|
|
#define SYNC_REFCACHE 0x0040 /* prune some of the nfs ref cache */
|
|
#define SYNC_REMOUNT 0x0080 /* remount readonly, no dummy LRs */
|
|
#define SYNC_IOWAIT 0x0100 /* wait for all I/O to complete */
|
|
#define SYNC_SUPER 0x0200 /* flush superblock to disk */
|
|
|
|
/*
|
|
* When remounting a filesystem read-only or freezing the filesystem,
|
|
* we have two phases to execute. This first phase is syncing the data
|
|
* before we quiesce the fielsystem, and the second is flushing all the
|
|
* inodes out after we've waited for all the transactions created by
|
|
* the first phase to complete. The second phase uses SYNC_INODE_QUIESCE
|
|
* to ensure that the inodes are written to their location on disk
|
|
* rather than just existing in transactions in the log. This means
|
|
* after a quiesce there is no log replay required to write the inodes
|
|
* to disk (this is the main difference between a sync and a quiesce).
|
|
*/
|
|
#define SYNC_DATA_QUIESCE (SYNC_DELWRI|SYNC_FSDATA|SYNC_WAIT|SYNC_IOWAIT)
|
|
#define SYNC_INODE_QUIESCE (SYNC_REMOUNT|SYNC_ATTR|SYNC_WAIT)
|
|
|
|
#define SHUTDOWN_META_IO_ERROR 0x0001 /* write attempt to metadata failed */
|
|
#define SHUTDOWN_LOG_IO_ERROR 0x0002 /* write attempt to the log failed */
|
|
#define SHUTDOWN_FORCE_UMOUNT 0x0004 /* shutdown from a forced unmount */
|
|
#define SHUTDOWN_CORRUPT_INCORE 0x0008 /* corrupt in-memory data structures */
|
|
#define SHUTDOWN_REMOTE_REQ 0x0010 /* shutdown came from remote cell */
|
|
#define SHUTDOWN_DEVICE_REQ 0x0020 /* failed all paths to the device */
|
|
|
|
#define xfs_test_for_freeze(mp) ((mp)->m_super->s_frozen)
|
|
#define xfs_wait_for_freeze(mp,l) vfs_check_frozen((mp)->m_super, (l))
|
|
|
|
#endif /* __XFS_VFS_H__ */
|