Differential D19887 Diff 56119 sys/fs/nfsclient/nfs_clstate.c

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sys/fs/nfsclient/nfs_clstate.c

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*/		*/
static void		static void
nfscl_cleanupkext(struct nfsclclient clp, struct nfscllockownerfhhead lhp)		nfscl_cleanupkext(struct nfsclclient clp, struct nfscllockownerfhhead lhp)
{		{
struct nfsclowner owp, nowp;		struct nfsclowner owp, nowp;
struct nfsclopen *op;		struct nfsclopen *op;
struct nfscllockowner lp, nlp;		struct nfscllockowner lp, nlp;
struct nfscldeleg *dp;		struct nfscldeleg *dp;
		int i;

NFSPROCLISTLOCK();		/*
		* All the pidhash locks must be acquired, since they are sx locks
		* and must be acquired before the mutexes. The pid(s) that will
		* be used aren't known yet, so all the locks need to be acquired.
		* Fortunately, this function is only performed once/sec.
		*/
		for (i = 0; i < pidhashlock + 1; i++)
		sx_slock(&pidhashtbl_lock[i]);
		kibUnsubmitted Done Inline Actions When I mean that the primitives should be encapsulated and provided by kern_proc.c, I also mean the helpers which lock and unlock all pidhash chains. kib: When I mean that the primitives should be encapsulated and provided by kern_proc.c, I also mean…
NFSLOCKCLSTATE();		NFSLOCKCLSTATE();
LIST_FOREACH_SAFE(owp, &clp->nfsc_owner, nfsow_list, nowp) {		LIST_FOREACH_SAFE(owp, &clp->nfsc_owner, nfsow_list, nowp) {
LIST_FOREACH(op, &owp->nfsow_open, nfso_list) {		LIST_FOREACH(op, &owp->nfsow_open, nfso_list) {
LIST_FOREACH_SAFE(lp, &op->nfso_lock, nfsl_list, nlp) {		LIST_FOREACH_SAFE(lp, &op->nfso_lock, nfsl_list, nlp) {
if (LIST_EMPTY(&lp->nfsl_lock))		if (LIST_EMPTY(&lp->nfsl_lock))
nfscl_emptylockowner(lp, lhp);		nfscl_emptylockowner(lp, lhp);
}		}
}		}
Show All 10 Lines	nfscl_cleanupkext(struct nfsclclient clp, struct nfscllockownerfhhead lhp)
*/		*/
TAILQ_FOREACH(dp, &clp->nfsc_deleg, nfsdl_list) {		TAILQ_FOREACH(dp, &clp->nfsc_deleg, nfsdl_list) {
LIST_FOREACH_SAFE(lp, &dp->nfsdl_lock, nfsl_list, nlp) {		LIST_FOREACH_SAFE(lp, &dp->nfsdl_lock, nfsl_list, nlp) {
if (nfscl_procdoesntexist(lp->nfsl_owner))		if (nfscl_procdoesntexist(lp->nfsl_owner))
nfscl_cleanup_common(clp, lp->nfsl_owner);		nfscl_cleanup_common(clp, lp->nfsl_owner);
}		}
}		}
NFSUNLOCKCLSTATE();		NFSUNLOCKCLSTATE();
NFSPROCLISTUNLOCK();		for (i = 0; i < pidhashlock + 1; i++)
		sx_sunlock(&pidhashtbl_lock[i]);
}		}

/*		/*
* Take the empty lock owner and move it to the local lhp list if the		* Take the empty lock owner and move it to the local lhp list if the
* associated process no longer exists.		* associated process no longer exists.
*/		*/
static void		static void
nfscl_emptylockowner(struct nfscllockowner *lp,		nfscl_emptylockowner(struct nfscllockowner *lp,
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