[LU-3500] must use __u64 when handling sp_cr_flags

• Type: Bug
• Resolution: Fixed
• Priority: Critical
• Fix Version/s: Lustre 2.5.0
• Affects Version/s: Lustre 2.5.0
• Labels: mdt
• Severity: 3
• Assignee: John Hammond
• Reporter: John Hammond

Description

struct md_op_spec's member sp_cr_flags is a __u64 mask which is actually used
to store some flags the will not fit in __u32, for example MDS_OPEN_VOLATILE = 0400000000000ULL = 0x800000000. Code that copies this field should use __u64 and not __u32 as occurs in some places.