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| author |   Andrew Elble <aweits@rit.edu> | 2016-06-15 12:52:07 -0400 |
|---|---|---|
| committer |   J. Bruce Fields <bfields@redhat.com> | 2016-07-13 15:32:47 -0400 |
| commit | 1adf0c5a4451a100cd9253c1d6e3ca77f4a5a98b (patch) | |
| tree | 36590ef94abcc635741eaafcad5a49ef33ca4a56 /include/linux/nfs4.h | |
| parent | sunrpc: remove 'inuse' flag from struct cache_detail. (diff) | |
| download | linux-dev-1adf0c5a4451a100cd9253c1d6e3ca77f4a5a98b.tar.xz linux-dev-1adf0c5a4451a100cd9253c1d6e3ca77f4a5a98b.zip | |
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 <aweits@rit.edu>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'include/linux/nfs4.h')
| -rw-r--r-- | include/linux/nfs4.h | 11 |
1 files changed, 11 insertions, 0 deletions
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 |