diff options
Diffstat (limited to 'fs/xfs/xfs_qmops.c')
| -rw-r--r-- | fs/xfs/xfs_qmops.c | 78 |
1 files changed, 75 insertions, 3 deletions
diff --git a/fs/xfs/xfs_qmops.c b/fs/xfs/xfs_qmops.c index 4f40c92863d..a6cd6324e94 100644 --- a/fs/xfs/xfs_qmops.c +++ b/fs/xfs/xfs_qmops.c @@ -1,5 +1,5 @@ /* - * 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 @@ -42,7 +42,8 @@ #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 +55,79 @@ 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, |