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remove leftovers of shared read-only support

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We never supported shared read-only filesystems, so remove the dead
code left over from IRIX for it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: Niv Sardi <xaiki@sgi.com>
This commit is contained in:
Christoph Hellwig 2008-12-03 12:20:34 +01:00 • committed by Niv Sardi
parent e88f11abe0
commit b56757becf
3 changed files with 0 additions and 57 deletions
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29
fs/xfs/linux-2.6/xfs_super.c
View file

@ -1388,35 +1388,6 @@ xfs_finish_flags(
return XFS_ERROR(EROFS);
}
#if 0 /* shared mounts were never supported on Linux */
/*
* check for shared mount.
*/
if (ap->flags & XFSMNT_SHARED) {
if (!xfs_sb_version_hasshared(&mp->m_sb))
return XFS_ERROR(EINVAL);
/*
* For IRIX 6.5, shared mounts must have the shared
* version bit set, have the persistent readonly
* field set, must be version 0 and can only be mounted
* read-only.
*/
if (!ronly || !(mp->m_sb.sb_flags & XFS_SBF_READONLY) ||
(mp->m_sb.sb_shared_vn != 0))
return XFS_ERROR(EINVAL);
mp->m_flags |= XFS_MOUNT_SHARED;
/*
* Shared XFS V0 can't deal with DMI. Return EINVAL.
*/
if (mp->m_sb.sb_shared_vn == 0 &&
(mp->m_flags & XFS_MOUNT_DMAPI))
return XFS_ERROR(EINVAL);
}
#endif
return 0;
}