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Commit 3e633079 authored by J. Bruce Fields's avatar J. Bruce Fields
Browse files

nfsd4: add a helper function to decide if stateid is delegation 



Make this check self-documenting.

Signed-off-by: default avatarJ. Bruce Fields <bfields@citi.umich.edu>
parent 819a8f53

fs/nfsd/nfs4state.c

+6 −1
Original line number Diff line number Diff line
@@ -2048,6 +2048,11 @@ static int check_stateid_generation(stateid_t *in, stateid_t *ref) 
	return nfs_ok;

}



static int is_delegation_stateid(stateid_t *stateid)

{

	return stateid->si_fileid == 0;

}



/*

* Checks for stateid operations

*/
@@ -2073,7 +2078,7 @@ nfs4_preprocess_stateid_op(struct svc_fh *current_fh, stateid_t *stateid, int fl 
		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;