nfsd4: add a helper function to decide if stateid is delegation
Make this check self-documenting.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 909a7a4..d555585 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -2048,6 +2048,11 @@
return nfs_ok;
}
+static int is_delegation_stateid(stateid_t *stateid)
+{
+ return stateid->si_fileid == 0;
+}
+
/*
* Checks for stateid operations
*/
@@ -2073,7 +2078,7 @@
goto out;
status = nfserr_bad_stateid;
- if (!stateid->si_fileid) { /* delegation stateid */
+ if (is_delegation_stateid(stateid)) {
dp = find_delegation_stateid(ino, stateid);
if (!dp)
goto out;