diff options
Diffstat (limited to 'sys/kern/kern_alq.c')
-rw-r--r-- | sys/kern/kern_alq.c | 37 |
1 files changed, 20 insertions, 17 deletions
diff --git a/sys/kern/kern_alq.c b/sys/kern/kern_alq.c index 20d4fee..93d00c0 100644 --- a/sys/kern/kern_alq.c +++ b/sys/kern/kern_alq.c @@ -103,6 +103,7 @@ static void ald_deactivate(struct alq *); /* Internal queue functions */ static void alq_shutdown(struct alq *); +static void alq_destroy(struct alq *); static int alq_doio(struct alq *); @@ -263,6 +264,18 @@ alq_shutdown(struct alq *alq) crfree(alq->aq_cred); } +void +alq_destroy(struct alq *alq) +{ + /* Drain all pending IO. */ + alq_shutdown(alq); + + mtx_destroy(&alq->aq_mtx); + free(alq->aq_first, M_ALD); + free(alq->aq_entbuf, M_ALD); + free(alq, M_ALD); +} + /* * Flush all pending data to disk. This operation will block. */ @@ -420,8 +433,11 @@ alq_open(struct alq **alqp, const char *file, struct ucred *cred, int cmode, alp->ae_next = alq->aq_first; - if ((error = ald_add(alq)) != 0) + if ((error = ald_add(alq)) != 0) { + alq_destroy(alq); return (error); + } + *alqp = alq; return (0); @@ -525,22 +541,9 @@ alq_flush(struct alq *alq) void alq_close(struct alq *alq) { - /* - * If we're already shuting down someone else will flush and close - * the vnode. - */ - if (ald_rem(alq) != 0) - return; - - /* - * Drain all pending IO. - */ - alq_shutdown(alq); - - mtx_destroy(&alq->aq_mtx); - free(alq->aq_first, M_ALD); - free(alq->aq_entbuf, M_ALD); - free(alq, M_ALD); + /* Only flush and destroy alq if not already shutting down. */ + if (ald_rem(alq) == 0) + alq_destroy(alq); } static int |