diff options
Diffstat (limited to 'sys/gnu/fs/xfs/xfs_qmops.c')
| -rw-r--r-- | sys/gnu/fs/xfs/xfs_qmops.c | 117 |
1 files changed, 87 insertions, 30 deletions
diff --git a/sys/gnu/fs/xfs/xfs_qmops.c b/sys/gnu/fs/xfs/xfs_qmops.c index 4f40c92..1408a32 100644 --- a/sys/gnu/fs/xfs/xfs_qmops.c +++ b/sys/gnu/fs/xfs/xfs_qmops.c @@ -1,40 +1,25 @@ /* - * Copyright (c) 2000-2003 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_macros.h" +#include "xfs_fs.h" #include "xfs_types.h" -#include "xfs_inum.h" #include "xfs_log.h" +#include "xfs_inum.h" #include "xfs_trans.h" #include "xfs_sb.h" #include "xfs_ag.h" @@ -42,7 +27,8 @@ #include "xfs_dir2.h" #include "xfs_dmapi.h" #include "xfs_mount.h" - +#include "xfs_quota.h" +#include "xfs_error.h" STATIC struct xfs_dquot * xfs_dqvopchown_default( @@ -54,8 +40,79 @@ xfs_dqvopchown_default( return NULL; } +/* + * Clear the quotaflags in memory and in the superblock. + */ +int +xfs_mount_reset_sbqflags(xfs_mount_t *mp) +{ + int error; + xfs_trans_t *tp; + unsigned long s; + + mp->m_qflags = 0; + /* + * It is OK to look at sb_qflags here in mount path, + * without SB_LOCK. + */ + if (mp->m_sb.sb_qflags == 0) + return 0; + s = XFS_SB_LOCK(mp); + mp->m_sb.sb_qflags = 0; + XFS_SB_UNLOCK(mp, s); + + /* + * if the fs is readonly, let the incore superblock run + * with quotas off but don't flush the update out to disk + */ + if (XFS_MTOVFS(mp)->vfs_flag & VFS_RDONLY) + return 0; +#ifdef QUOTADEBUG + xfs_fs_cmn_err(CE_NOTE, mp, "Writing superblock quota changes"); +#endif + tp = xfs_trans_alloc(mp, XFS_TRANS_QM_SBCHANGE); + if ((error = xfs_trans_reserve(tp, 0, mp->m_sb.sb_sectsize + 128, 0, 0, + XFS_DEFAULT_LOG_COUNT))) { + xfs_trans_cancel(tp, 0); + xfs_fs_cmn_err(CE_ALERT, mp, + "xfs_mount_reset_sbqflags: Superblock update failed!"); + return error; + } + xfs_mod_sb(tp, XFS_SB_QFLAGS); + error = xfs_trans_commit(tp, 0, NULL); + return error; +} + +STATIC int +xfs_noquota_init( + xfs_mount_t *mp, + uint *needquotamount, + uint *quotaflags) +{ + int error = 0; + + *quotaflags = 0; + *needquotamount = B_FALSE; + + ASSERT(!XFS_IS_QUOTA_ON(mp)); + + /* + * If a file system had quotas running earlier, but decided to + * mount without -o uquota/pquota/gquota options, revoke the + * quotachecked license. + */ + if (mp->m_sb.sb_qflags & XFS_ALL_QUOTA_ACCT) { + cmn_err(CE_NOTE, + "XFS resetting qflags for filesystem %s", + mp->m_fsname); + + error = xfs_mount_reset_sbqflags(mp); + } + return error; +} + xfs_qmops_t xfs_qmcore_stub = { - .xfs_qminit = (xfs_qminit_t) fs_noerr, + .xfs_qminit = (xfs_qminit_t) xfs_noquota_init, .xfs_qmdone = (xfs_qmdone_t) fs_noerr, .xfs_qmmount = (xfs_qmmount_t) fs_noerr, .xfs_qmunmount = (xfs_qmunmount_t) fs_noerr, |
