From 1adf0c5a4451a100cd9253c1d6e3ca77f4a5a98b Mon Sep 17 00:00:00 2001 From: Andrew Elble Date: Wed, 15 Jun 2016 12:52:07 -0400 Subject: nfs/nfsd: Move useful bitfield ops to a commonly accessible place So these may be used in nfsd as well Signed-off-by: Andrew Elble Reviewed-by: Jeff Layton Signed-off-by: J. Bruce Fields --- include/linux/nfs4.h | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'include/linux/nfs4.h') diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h index bfed6b367350..c6564ada9beb 100644 --- a/include/linux/nfs4.h +++ b/include/linux/nfs4.h @@ -643,4 +643,15 @@ enum pnfs_update_layout_reason { PNFS_UPDATE_LAYOUT_SEND_LAYOUTGET, }; +#define NFS4_OP_MAP_NUM_LONGS \ + DIV_ROUND_UP(LAST_NFS4_OP, 8 * sizeof(unsigned long)) +#define NFS4_OP_MAP_NUM_WORDS \ + (NFS4_OP_MAP_NUM_LONGS * sizeof(unsigned long) / sizeof(u32)) +struct nfs4_op_map { + union { + unsigned long longs[NFS4_OP_MAP_NUM_LONGS]; + u32 words[NFS4_OP_MAP_NUM_WORDS]; + } u; +}; + #endif -- cgit v1.2.3