142 lines
3.4 KiB
C
142 lines
3.4 KiB
C
/*
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* Copyright (c) 2000-2005 Silicon Graphics, Inc.
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* All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms 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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "xfs.h"
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#include "xfs_fs.h"
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#include "xfs_types.h"
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#include "xfs_bit.h"
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#include "xfs_log.h"
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#include "xfs_inum.h"
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#include "xfs_trans.h"
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#include "xfs_sb.h"
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#include "xfs_ag.h"
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#include "xfs_dir2.h"
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#include "xfs_dmapi.h"
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#include "xfs_mount.h"
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#include "xfs_da_btree.h"
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#include "xfs_bmap_btree.h"
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#include "xfs_ialloc_btree.h"
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#include "xfs_alloc_btree.h"
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#include "xfs_dir2_sf.h"
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#include "xfs_attr_sf.h"
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#include "xfs_dinode.h"
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#include "xfs_inode.h"
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#include "xfs_inode_item.h"
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#include "xfs_btree.h"
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#include "xfs_alloc.h"
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#include "xfs_ialloc.h"
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#include "xfs_quota.h"
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#include "xfs_error.h"
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#include "xfs_bmap.h"
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#include "xfs_rw.h"
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#include "xfs_buf_item.h"
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#include "xfs_log_priv.h"
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#include "xfs_dir2_trace.h"
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#include "xfs_extfree_item.h"
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#include "xfs_acl.h"
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#include "xfs_attr.h"
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#include "xfs_mru_cache.h"
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#include "xfs_filestream.h"
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#include "xfs_fsops.h"
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#include "xfs_vnodeops.h"
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#include "xfs_utils.h"
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#include "xfs_sync.h"
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/*
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* xfs_unmount_flush implements a set of flush operation on special
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* inodes, which are needed as a separate set of operations so that
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* they can be called as part of relocation process.
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*/
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int
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xfs_unmount_flush(
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xfs_mount_t *mp, /* Mount structure we are getting
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rid of. */
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int relocation) /* Called from vfs relocation. */
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{
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xfs_inode_t *rip = mp->m_rootip;
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xfs_inode_t *rbmip;
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xfs_inode_t *rsumip = NULL;
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int error;
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xfs_ilock(rip, XFS_ILOCK_EXCL | XFS_ILOCK_PARENT);
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xfs_iflock(rip);
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/*
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* Flush out the real time inodes.
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*/
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if ((rbmip = mp->m_rbmip) != NULL) {
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xfs_ilock(rbmip, XFS_ILOCK_EXCL);
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xfs_iflock(rbmip);
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error = xfs_iflush(rbmip, XFS_IFLUSH_SYNC);
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xfs_iunlock(rbmip, XFS_ILOCK_EXCL);
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if (error == EFSCORRUPTED)
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goto fscorrupt_out;
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ASSERT(vn_count(VFS_I(rbmip)) == 1);
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rsumip = mp->m_rsumip;
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xfs_ilock(rsumip, XFS_ILOCK_EXCL);
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xfs_iflock(rsumip);
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error = xfs_iflush(rsumip, XFS_IFLUSH_SYNC);
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xfs_iunlock(rsumip, XFS_ILOCK_EXCL);
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if (error == EFSCORRUPTED)
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goto fscorrupt_out;
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ASSERT(vn_count(VFS_I(rsumip)) == 1);
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}
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/*
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* Synchronously flush root inode to disk
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*/
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error = xfs_iflush(rip, XFS_IFLUSH_SYNC);
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if (error == EFSCORRUPTED)
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goto fscorrupt_out2;
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if (vn_count(VFS_I(rip)) != 1 && !relocation) {
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xfs_iunlock(rip, XFS_ILOCK_EXCL);
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return XFS_ERROR(EBUSY);
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}
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/*
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* Release dquot that rootinode, rbmino and rsumino might be holding,
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* flush and purge the quota inodes.
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*/
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error = XFS_QM_UNMOUNT(mp);
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if (error == EFSCORRUPTED)
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goto fscorrupt_out2;
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if (rbmip) {
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IRELE(rbmip);
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IRELE(rsumip);
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}
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xfs_iunlock(rip, XFS_ILOCK_EXCL);
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return 0;
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fscorrupt_out:
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xfs_ifunlock(rip);
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fscorrupt_out2:
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xfs_iunlock(rip, XFS_ILOCK_EXCL);
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return XFS_ERROR(EFSCORRUPTED);
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}
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