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f538d4da8d
writes. In addition flush the disk cache on fsync if the sync cached operation didn't sync the log to disk (this requires some additional bookeping in the transaction and log code). If the device doesn't claim to support barriers, the filesystem has an extern log volume or the trial superblock write with barriers enabled failed we disable barriers and print a warning. We should probably fail the mount completely, but that could lead to nasty boot failures for the root filesystem. Not enabled by default yet, needs more destructive testing first. SGI-PV: 912426 SGI-Modid: xfs-linux:xfs-kern:198723a Signed-off-by: Christoph Hellwig <hch@sgi.com> Signed-off-by: Nathan Scott <nathans@sgi.com>
139 lines
3.9 KiB
C
139 lines
3.9 KiB
C
/*
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* Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* Further, this software is distributed without any warranty that it is
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* free of the rightful claim of any third person regarding infringement
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* or the like. Any license provided herein, whether implied or
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* otherwise, applies only to this software file. Patent licenses, if
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* any, provided herein do not apply to combinations of this program with
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* other software, or any other product whatsoever.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write the Free Software Foundation, Inc., 59
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* Temple Place - Suite 330, Boston MA 02111-1307, USA.
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*
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* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
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* Mountain View, CA 94043, or:
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*
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* http://www.sgi.com
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*
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* For further information regarding this notice, see:
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*
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* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
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*/
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#ifndef __XFS_SUPER_H__
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#define __XFS_SUPER_H__
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#ifdef CONFIG_XFS_DMAPI
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# define vfs_insertdmapi(vfs) vfs_insertops(vfsp, &xfs_dmops)
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# define vfs_initdmapi() dmapi_init()
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# define vfs_exitdmapi() dmapi_uninit()
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#else
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# define vfs_insertdmapi(vfs) do { } while (0)
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# define vfs_initdmapi() do { } while (0)
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# define vfs_exitdmapi() do { } while (0)
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#endif
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#ifdef CONFIG_XFS_QUOTA
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# define vfs_insertquota(vfs) vfs_insertops(vfsp, &xfs_qmops)
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extern void xfs_qm_init(void);
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extern void xfs_qm_exit(void);
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# define vfs_initquota() xfs_qm_init()
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# define vfs_exitquota() xfs_qm_exit()
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#else
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# define vfs_insertquota(vfs) do { } while (0)
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# define vfs_initquota() do { } while (0)
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# define vfs_exitquota() do { } while (0)
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#endif
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#ifdef CONFIG_XFS_POSIX_ACL
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# define XFS_ACL_STRING "ACLs, "
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# define set_posix_acl_flag(sb) ((sb)->s_flags |= MS_POSIXACL)
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#else
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# define XFS_ACL_STRING
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# define set_posix_acl_flag(sb) do { } while (0)
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#endif
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#ifdef CONFIG_XFS_SECURITY
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# define XFS_SECURITY_STRING "security attributes, "
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# define ENOSECURITY 0
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#else
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# define XFS_SECURITY_STRING
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# define ENOSECURITY EOPNOTSUPP
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#endif
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#ifdef CONFIG_XFS_RT
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# define XFS_REALTIME_STRING "realtime, "
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#else
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# define XFS_REALTIME_STRING
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#endif
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#if XFS_BIG_BLKNOS
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# if XFS_BIG_INUMS
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# define XFS_BIGFS_STRING "large block/inode numbers, "
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# else
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# define XFS_BIGFS_STRING "large block numbers, "
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# endif
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#else
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# define XFS_BIGFS_STRING
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#endif
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#ifdef CONFIG_XFS_TRACE
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# define XFS_TRACE_STRING "tracing, "
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#else
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# define XFS_TRACE_STRING
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#endif
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#ifdef CONFIG_XFS_DMAPI
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# define XFS_DMAPI_STRING "dmapi support, "
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#else
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# define XFS_DMAPI_STRING
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#endif
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#ifdef DEBUG
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# define XFS_DBG_STRING "debug"
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#else
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# define XFS_DBG_STRING "no debug"
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#endif
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#define XFS_BUILD_OPTIONS XFS_ACL_STRING \
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XFS_SECURITY_STRING \
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XFS_REALTIME_STRING \
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XFS_BIGFS_STRING \
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XFS_TRACE_STRING \
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XFS_DMAPI_STRING \
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XFS_DBG_STRING /* DBG must be last */
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#define LINVFS_GET_VFS(s) \
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(vfs_t *)((s)->s_fs_info)
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#define LINVFS_SET_VFS(s, vfsp) \
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((s)->s_fs_info = vfsp)
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struct xfs_inode;
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struct xfs_mount;
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struct xfs_buftarg;
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struct block_device;
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extern __uint64_t xfs_max_file_offset(unsigned int);
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extern void xfs_initialize_vnode(bhv_desc_t *, vnode_t *, bhv_desc_t *, int);
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extern void xfs_flush_inode(struct xfs_inode *);
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extern void xfs_flush_device(struct xfs_inode *);
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extern int xfs_blkdev_get(struct xfs_mount *, const char *,
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struct block_device **);
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extern void xfs_blkdev_put(struct block_device *);
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extern void xfs_blkdev_issue_flush(struct xfs_buftarg *);
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extern struct export_operations linvfs_export_ops;
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#endif /* __XFS_SUPER_H__ */
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