diff options
Diffstat (limited to 'fs/xfs/linux-2.6/xfs_super.c')
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_super.c | 132 |
1 files changed, 98 insertions, 34 deletions
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index 2302454..6116b5b 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -1,60 +1,45 @@ /* - * Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) 2000-2005 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 + * 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. + * 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. * - * 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/ + * 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 */ - #include "xfs.h" - -#include "xfs_inum.h" +#include "xfs_bit.h" #include "xfs_log.h" #include "xfs_clnt.h" +#include "xfs_inum.h" #include "xfs_trans.h" #include "xfs_sb.h" +#include "xfs_ag.h" #include "xfs_dir.h" #include "xfs_dir2.h" #include "xfs_alloc.h" #include "xfs_dmapi.h" #include "xfs_quota.h" #include "xfs_mount.h" -#include "xfs_alloc_btree.h" #include "xfs_bmap_btree.h" +#include "xfs_alloc_btree.h" #include "xfs_ialloc_btree.h" -#include "xfs_btree.h" -#include "xfs_ialloc.h" -#include "xfs_attr_sf.h" #include "xfs_dir_sf.h" #include "xfs_dir2_sf.h" +#include "xfs_attr_sf.h" #include "xfs_dinode.h" #include "xfs_inode.h" +#include "xfs_btree.h" +#include "xfs_ialloc.h" #include "xfs_bmap.h" -#include "xfs_bit.h" #include "xfs_rtalloc.h" #include "xfs_error.h" #include "xfs_itable.h" @@ -189,7 +174,7 @@ xfs_revalidate_inode( break; } - inode->i_blksize = PAGE_CACHE_SIZE; + inode->i_blksize = xfs_preferred_iosize(mp); inode->i_generation = ip->i_d.di_gen; i_size_write(inode, ip->i_d.di_size); inode->i_blocks = @@ -278,6 +263,72 @@ xfs_blkdev_put( close_bdev_excl(bdev); } +/* + * Try to write out the superblock using barriers. + */ +STATIC int +xfs_barrier_test( + xfs_mount_t *mp) +{ + xfs_buf_t *sbp = xfs_getsb(mp, 0); + int error; + + XFS_BUF_UNDONE(sbp); + XFS_BUF_UNREAD(sbp); + XFS_BUF_UNDELAYWRITE(sbp); + XFS_BUF_WRITE(sbp); + XFS_BUF_UNASYNC(sbp); + XFS_BUF_ORDERED(sbp); + + xfsbdstrat(mp, sbp); + error = xfs_iowait(sbp); + + /* + * Clear all the flags we set and possible error state in the + * buffer. We only did the write to try out whether barriers + * worked and shouldn't leave any traces in the superblock + * buffer. + */ + XFS_BUF_DONE(sbp); + XFS_BUF_ERROR(sbp, 0); + XFS_BUF_UNORDERED(sbp); + + xfs_buf_relse(sbp); + return error; +} + +void +xfs_mountfs_check_barriers(xfs_mount_t *mp) +{ + int error; + + if (mp->m_logdev_targp != mp->m_ddev_targp) { + xfs_fs_cmn_err(CE_NOTE, mp, + "Disabling barriers, not supported with external log device"); + mp->m_flags &= ~XFS_MOUNT_BARRIER; + } + + if (mp->m_ddev_targp->pbr_bdev->bd_disk->queue->ordered == + QUEUE_ORDERED_NONE) { + xfs_fs_cmn_err(CE_NOTE, mp, + "Disabling barriers, not supported by the underlying device"); + mp->m_flags &= ~XFS_MOUNT_BARRIER; + } + + error = xfs_barrier_test(mp); + if (error) { + xfs_fs_cmn_err(CE_NOTE, mp, + "Disabling barriers, trial barrier write failed"); + mp->m_flags &= ~XFS_MOUNT_BARRIER; + } +} + +void +xfs_blkdev_issue_flush( + xfs_buftarg_t *buftarg) +{ + blkdev_issue_flush(buftarg->pbr_bdev, NULL); +} STATIC struct inode * linvfs_alloc_inode( @@ -701,6 +752,18 @@ linvfs_show_options( } STATIC int +linvfs_quotasync( + struct super_block *sb, + int type) +{ + struct vfs *vfsp = LINVFS_GET_VFS(sb); + int error; + + VFS_QUOTACTL(vfsp, Q_XQUOTASYNC, 0, (caddr_t)NULL, error); + return -error; +} + +STATIC int linvfs_getxstate( struct super_block *sb, struct fs_quota_stat *fqs) @@ -868,6 +931,7 @@ STATIC struct super_operations linvfs_sops = { }; STATIC struct quotactl_ops linvfs_qops = { + .quota_sync = linvfs_quotasync, .get_xstate = linvfs_getxstate, .set_xstate = linvfs_setxstate, .get_xquota = linvfs_getxquota, |
