From b56757becf8bc62292263a24a23cf55edb4be55f Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Wed, 3 Dec 2008 12:20:34 +0100 Subject: remove leftovers of shared read-only support We never supported shared read-only filesystems, so remove the dead code left over from IRIX for it. Signed-off-by: Christoph Hellwig Reviewed-by: Dave Chinner Signed-off-by: Niv Sardi --- fs/xfs/xfs_mount.c | 26 -------------------------- 1 file changed, 26 deletions(-) (limited to 'fs/xfs/xfs_mount.c') diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c index 3f999b1c038..1672ff56a00 100644 --- a/fs/xfs/xfs_mount.c +++ b/fs/xfs/xfs_mount.c @@ -1352,24 +1352,6 @@ xfs_log_sbcount( return error; } -STATIC void -xfs_mark_shared_ro( - xfs_mount_t *mp, - xfs_buf_t *bp) -{ - xfs_dsb_t *sb = XFS_BUF_TO_SBP(bp); - __uint16_t version; - - if (!(sb->sb_flags & XFS_SBF_READONLY)) - sb->sb_flags |= XFS_SBF_READONLY; - - version = be16_to_cpu(sb->sb_versionnum); - if ((version & XFS_SB_VERSION_NUMBITS) != XFS_SB_VERSION_4 || - !(version & XFS_SB_VERSION_SHAREDBIT)) - version |= XFS_SB_VERSION_SHAREDBIT; - sb->sb_versionnum = cpu_to_be16(version); -} - int xfs_unmountfs_writesb(xfs_mount_t *mp) { @@ -1385,12 +1367,6 @@ xfs_unmountfs_writesb(xfs_mount_t *mp) sbp = xfs_getsb(mp, 0); - /* - * mark shared-readonly if desired - */ - if (mp->m_mk_sharedro) - xfs_mark_shared_ro(mp, sbp); - XFS_BUF_UNDONE(sbp); XFS_BUF_UNREAD(sbp); XFS_BUF_UNDELAYWRITE(sbp); @@ -1402,8 +1378,6 @@ xfs_unmountfs_writesb(xfs_mount_t *mp) if (error) xfs_ioerror_alert("xfs_unmountfs_writesb", mp, sbp, XFS_BUF_ADDR(sbp)); - if (error && mp->m_mk_sharedro) - xfs_fs_cmn_err(CE_ALERT, mp, "Superblock write error detected while unmounting. Filesystem may not be marked shared readonly"); xfs_buf_relse(sbp); } return error; -- cgit v1.2.3