nfsd: consolidate set_access and set_deny

These functions are identical. Also, rename them to bmap_to_share_mode
to better reflect what they do, and have them just return the result
instead of passing in a pointer to the storage location.

Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 91aec73..8034c2b 100644 (file)
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -448,34 +448,24 @@ static struct list_head close_lru;
  *
  * which we should reject.
  */
-static void
-set_access(unsigned int *access, unsigned long bmap) {
+static unsigned int
+bmap_to_share_mode(unsigned long bmap) {
        int i;
+       unsigned int access = 0;
 
-       *access = 0;
        for (i = 1; i < 4; i++) {
                if (test_bit(i, &bmap))
-                       *access |= i;
-       }
-}
-
-static void
-set_deny(unsigned int *deny, unsigned long bmap) {
-       int i;
-
-       *deny = 0;
-       for (i = 0; i < 4; i++) {
-               if (test_bit(i, &bmap))
-                       *deny |= i ;
+                       access |= i;
        }
+       return access;
 }
 
 static int
 test_share(struct nfs4_ol_stateid *stp, struct nfsd4_open *open) {
        unsigned int access, deny;
 
-       set_access(&access, stp->st_access_bmap);
-       set_deny(&deny, stp->st_deny_bmap);
+       access = bmap_to_share_mode(stp->st_access_bmap);
+       deny = bmap_to_share_mode(stp->st_deny_bmap);
        if ((access & open->op_share_deny) || (deny & open->op_share_access))
                return 0;
        return 1;