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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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9d565ffa33
No need to parse the mount option into a structure before applying it to struct xfs_mount. The content of xfs_start_flags gets merged into xfs_parseargs. Calls inbetween don't care and can use mount members instead of the args struct. This patch uncovered that the mount option for shared filesystems wasn't ever exposed on Linux. The code to handle it is #if 0'ed in this patch pending a decision on this feature. I'll send a writeup about it to the list soon. SGI-PV: 987246 SGI-Modid: xfs-linux-melb:xfs-kern:32371a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: Donald Douwsma <donaldd@sgi.com> Signed-off-by: David Chinner <david@fromorbit.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
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_vfsops.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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