Date: Fri, 13 Dec 2019 19:27:51 +0000 (UTC) From: John Baldwin <jhb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r355726 - in head/sys/cddl: compat/opensolaris/sys contrib/opensolaris/uts/common/fs/zfs contrib/opensolaris/uts/common/fs/zfs/sys Message-ID: <201912131927.xBDJRpJJ064761@repo.freebsd.org>
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Author: jhb Date: Fri Dec 13 19:27:51 2019 New Revision: 355726 URL: https://svnweb.freebsd.org/changeset/base/355726 Log: Use a callout instead of timeout(9) for delayed zio's. Reviewed by: avg Differential Revision: https://reviews.freebsd.org/D22597 Modified: head/sys/cddl/compat/opensolaris/sys/systm.h head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zio.h head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c Modified: head/sys/cddl/compat/opensolaris/sys/systm.h ============================================================================== --- head/sys/cddl/compat/opensolaris/sys/systm.h Fri Dec 13 19:26:04 2019 (r355725) +++ head/sys/cddl/compat/opensolaris/sys/systm.h Fri Dec 13 19:27:51 2019 (r355726) @@ -42,9 +42,6 @@ #define delay(x) pause("soldelay", (x)) -#define timeout_generic(type, fn, arg, t, r, f) \ - timeout(fn, arg, t / (NANOSEC/hz) + 1) - #endif /* _KERNEL */ #endif /* _OPENSOLARIS_SYS_SYSTM_H_ */ Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zio.h ============================================================================== --- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zio.h Fri Dec 13 19:26:04 2019 (r355725) +++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zio.h Fri Dec 13 19:27:51 2019 (r355726) @@ -474,6 +474,9 @@ struct zio { #ifdef __FreeBSD__ struct bio *io_bio; +#ifdef _KERNEL + struct callout io_timer; +#endif #endif /* Internal pipeline state */ Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c ============================================================================== --- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c Fri Dec 13 19:26:04 2019 (r355725) +++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/zio.c Fri Dec 13 19:27:51 2019 (r355726) @@ -659,6 +659,9 @@ zio_create(zio_t *pio, spa_t *spa, uint64_t txg, const mutex_init(&zio->io_lock, NULL, MUTEX_DEFAULT, NULL); cv_init(&zio->io_cv, NULL, CV_DEFAULT, NULL); +#if defined(__FreeBSD__) && defined(_KERNEL) + callout_init(&zio->io_timer, 1); +#endif list_create(&zio->io_parent_list, sizeof (zio_link_t), offsetof(zio_link_t, zl_parent_node)); @@ -726,6 +729,10 @@ zio_create(zio_t *pio, spa_t *spa, uint64_t txg, const static void zio_destroy(zio_t *zio) { +#ifdef __FreeBSD__ + KASSERT(!(callout_active(&zio->io_timer) || + callout_pending(&zio->io_timer)), ("zio_destroy: timer active")); +#endif metaslab_trace_fini(&zio->io_alloc_list); list_destroy(&zio->io_parent_list); list_destroy(&zio->io_child_list); @@ -1710,8 +1717,13 @@ zio_delay_interrupt(zio_t *zio) DTRACE_PROBE3(zio__delay__hit, zio_t *, zio, hrtime_t, now, hrtime_t, diff); +#ifdef __FreeBSD__ + callout_reset_sbt(&zio->io_timer, nstosbt(diff), 0, + (void (*)(void *))zio_interrupt, zio, C_HARDCLOCK); +#else (void) timeout_generic(CALLOUT_NORMAL, (void (*)(void *))zio_interrupt, zio, diff, 1, 0); +#endif } return;
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