diff options
Diffstat (limited to 'fs/xfs/xfs_super.c')
| -rw-r--r-- | fs/xfs/xfs_super.c | 43 |
1 files changed, 31 insertions, 12 deletions
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 5122d3021117..7aba628dc527 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1153,6 +1153,14 @@ xfs_fs_statfs( ((mp->m_qflags & (XFS_PQUOTA_ACCT|XFS_PQUOTA_ENFD))) == (XFS_PQUOTA_ACCT|XFS_PQUOTA_ENFD)) xfs_qm_statvfs(ip, statp); + + if (XFS_IS_REALTIME_MOUNT(mp) && + (ip->i_d.di_flags & (XFS_DIFLAG_RTINHERIT | XFS_DIFLAG_REALTIME))) { + statp->f_blocks = sbp->sb_rblocks; + statp->f_bavail = statp->f_bfree = + sbp->sb_frextents * sbp->sb_rextsize; + } + return 0; } @@ -1360,6 +1368,7 @@ xfs_fs_remount( xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); return error; } + xfs_queue_cowblocks(mp); /* Create the per-AG metadata reservation pool .*/ error = xfs_fs_reserve_ag_blocks(mp); @@ -1369,6 +1378,14 @@ xfs_fs_remount( /* rw -> ro */ if (!(mp->m_flags & XFS_MOUNT_RDONLY) && (*flags & SB_RDONLY)) { + /* Get rid of any leftover CoW reservations... */ + cancel_delayed_work_sync(&mp->m_cowblocks_work); + error = xfs_icache_free_cowblocks(mp, NULL); + if (error) { + xfs_force_shutdown(mp, SHUTDOWN_CORRUPT_INCORE); + return error; + } + /* Free the per-AG metadata reservation pool. */ error = xfs_fs_unreserve_ag_blocks(mp); if (error) { @@ -1649,9 +1666,12 @@ xfs_fs_fill_super( "DAX unsupported by block device. Turning off DAX."); mp->m_flags &= ~XFS_MOUNT_DAX; } - if (xfs_sb_version_hasreflink(&mp->m_sb)) + if (xfs_sb_version_hasreflink(&mp->m_sb)) { xfs_alert(mp, - "DAX and reflink have not been tested together!"); + "DAX and reflink cannot be used together!"); + error = -EINVAL; + goto out_filestream_unmount; + } } if (mp->m_flags & XFS_MOUNT_DISCARD) { @@ -1664,20 +1684,19 @@ xfs_fs_fill_super( } } - if (xfs_sb_version_hasrmapbt(&mp->m_sb)) { - if (mp->m_sb.sb_rblocks) { - xfs_alert(mp, - "EXPERIMENTAL reverse mapping btree not compatible with realtime device!"); - error = -EINVAL; - goto out_filestream_unmount; - } + if (xfs_sb_version_hasreflink(&mp->m_sb) && mp->m_sb.sb_rblocks) { xfs_alert(mp, - "EXPERIMENTAL reverse mapping btree feature enabled. Use at your own risk!"); + "reflink not compatible with realtime device!"); + error = -EINVAL; + goto out_filestream_unmount; } - if (xfs_sb_version_hasreflink(&mp->m_sb)) + if (xfs_sb_version_hasrmapbt(&mp->m_sb) && mp->m_sb.sb_rblocks) { xfs_alert(mp, - "EXPERIMENTAL reflink feature enabled. Use at your own risk!"); + "reverse mapping btree not compatible with realtime device!"); + error = -EINVAL; + goto out_filestream_unmount; + } error = xfs_mountfs(mp); if (error) |