From 83e782e1a1cc0159888e58e14dfc8f3289663338 Mon Sep 17 00:00:00 2001 From: Chandra Seetharaman Date: Thu, 27 Jun 2013 17:25:10 -0500 Subject: xfs: Remove incore use of XFS_OQUOTA_ENFD and XFS_OQUOTA_CHKD Remove all incore use of XFS_OQUOTA_ENFD and XFS_OQUOTA_CHKD. Instead, start using XFS_GQUOTA_.* XFS_PQUOTA_.* counterparts for GQUOTA and PQUOTA respectively. On-disk copy still uses XFS_OQUOTA_ENFD and XFS_OQUOTA_CHKD. Read and write of the superblock does the conversion from *OQUOTA* to *[PG]QUOTA*. Signed-off-by: Chandra Seetharaman Reviewed-by: Ben Myers Signed-off-by: Ben Myers --- fs/xfs/xfs_mount.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) (limited to 'fs/xfs/xfs_mount.c') diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 2978bb4cc72a..2b0ba3581656 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -336,6 +336,14 @@ xfs_mount_validate_sb( return XFS_ERROR(EWRONGFS); } + if ((sbp->sb_qflags & (XFS_OQUOTA_ENFD | XFS_OQUOTA_CHKD)) && + (sbp->sb_qflags & (XFS_PQUOTA_ENFD | XFS_GQUOTA_ENFD | + XFS_PQUOTA_CHKD | XFS_GQUOTA_CHKD))) { + xfs_notice(mp, +"Super block has XFS_OQUOTA bits along with XFS_PQUOTA and/or XFS_GQUOTA bits.\n"); + return XFS_ERROR(EFSCORRUPTED); + } + /* * Version 5 superblock feature mask validation. Reject combinations the * kernel cannot support up front before checking anything else. For @@ -561,6 +569,18 @@ out_unwind: return error; } +static void +xfs_sb_quota_from_disk(struct xfs_sb *sbp) +{ + if (sbp->sb_qflags & XFS_OQUOTA_ENFD) + sbp->sb_qflags |= (sbp->sb_qflags & XFS_PQUOTA_ACCT) ? + XFS_PQUOTA_ENFD : XFS_GQUOTA_ENFD; + if (sbp->sb_qflags & XFS_OQUOTA_CHKD) + sbp->sb_qflags |= (sbp->sb_qflags & XFS_PQUOTA_ACCT) ? + XFS_PQUOTA_CHKD : XFS_GQUOTA_CHKD; + sbp->sb_qflags &= ~(XFS_OQUOTA_ENFD | XFS_OQUOTA_CHKD); +} + void xfs_sb_from_disk( struct xfs_sb *to, @@ -622,6 +642,35 @@ xfs_sb_from_disk( to->sb_lsn = be64_to_cpu(from->sb_lsn); } +static inline void +xfs_sb_quota_to_disk( + xfs_dsb_t *to, + xfs_sb_t *from, + __int64_t *fields) +{ + __uint16_t qflags = from->sb_qflags; + + if (*fields & XFS_SB_QFLAGS) { + /* + * The in-core version of sb_qflags do not have + * XFS_OQUOTA_* flags, whereas the on-disk version + * does. So, convert incore XFS_{PG}QUOTA_* flags + * to on-disk XFS_OQUOTA_* flags. + */ + qflags &= ~(XFS_PQUOTA_ENFD | XFS_PQUOTA_CHKD | + XFS_GQUOTA_ENFD | XFS_GQUOTA_CHKD); + + if (from->sb_qflags & + (XFS_PQUOTA_ENFD | XFS_GQUOTA_ENFD)) + qflags |= XFS_OQUOTA_ENFD; + if (from->sb_qflags & + (XFS_PQUOTA_CHKD | XFS_GQUOTA_CHKD)) + qflags |= XFS_OQUOTA_CHKD; + to->sb_qflags = cpu_to_be16(qflags); + *fields &= ~XFS_SB_QFLAGS; + } +} + /* * Copy in core superblock to ondisk one. * @@ -643,6 +692,7 @@ xfs_sb_to_disk( if (!fields) return; + xfs_sb_quota_to_disk(to, from, &fields); while (fields) { f = (xfs_sb_field_t)xfs_lowbit64((__uint64_t)fields); first = xfs_sb_info[f].offset; @@ -835,6 +885,7 @@ reread: */ xfs_sb_from_disk(&mp->m_sb, XFS_BUF_TO_SBP(bp)); + xfs_sb_quota_from_disk(&mp->m_sb); /* * We must be able to do sector-sized and sector-aligned IO. */ -- cgit v1.2.3