Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit f32f3c2d authored by J. Bruce Fields's avatar J. Bruce Fields
Browse files

nfsd4: initialize special stateid's at compile time 



Stateid's with "other" ("opaque") field all zeros or all ones are
reserved.  We define all_ones separately on the off chance there will be
more such some day, though currently all the other special stateid's
have zero other field.

Signed-off-by: default avatarJ. Bruce Fields <bfields@redhat.com>
parent f5c8593b

fs/nfsd/nfs4state.c

+12 −5
Original line number Original line Diff line number Diff line
@@ -49,12 +49,20 @@ 
time_t nfsd4_lease = 90;     /* default lease time */

time_t nfsd4_lease = 90;     /* default lease time */

time_t nfsd4_grace = 90;

time_t nfsd4_grace = 90;

static time_t boot_time;

static time_t boot_time;

static stateid_t zerostateid;             /* bits all 0 */



static stateid_t onestateid;              /* bits all 1 */

#define all_ones {{~0,~0},~0}

static const stateid_t one_stateid = {

	.si_generation = ~0,

	.si_opaque = all_ones,

};

static const stateid_t zero_stateid = {

	/* all fields zero */

};



static u64 current_sessionid = 1;

static u64 current_sessionid = 1;





#define ZERO_STATEID(stateid) (!memcmp((stateid), &zerostateid, sizeof(stateid_t)))

#define ZERO_STATEID(stateid) (!memcmp((stateid), &zero_stateid, sizeof(stateid_t)))

#define ONE_STATEID(stateid)  (!memcmp((stateid), &onestateid, sizeof(stateid_t)))

#define ONE_STATEID(stateid)  (!memcmp((stateid), &one_stateid, sizeof(stateid_t)))





/* forward declarations */

/* forward declarations */

static int check_for_locks(struct nfs4_file *filp, struct nfs4_lockowner *lowner);

static int check_for_locks(struct nfs4_file *filp, struct nfs4_lockowner *lowner);
@@ -4564,7 +4572,6 @@ nfs4_state_init(void) 
	}

	}

	for (i = 0; i < LOCKOWNER_INO_HASH_SIZE; i++)

	for (i = 0; i < LOCKOWNER_INO_HASH_SIZE; i++)

		INIT_LIST_HEAD(&lockowner_ino_hashtbl[i]);

		INIT_LIST_HEAD(&lockowner_ino_hashtbl[i]);

	memset(&onestateid, ~0, sizeof(stateid_t));

	INIT_LIST_HEAD(&close_lru);

	INIT_LIST_HEAD(&close_lru);

	INIT_LIST_HEAD(&client_lru);

	INIT_LIST_HEAD(&client_lru);

	INIT_LIST_HEAD(&del_recall_lru);

	INIT_LIST_HEAD(&del_recall_lru);