diff options
Diffstat (limited to 'module/zfs/zio.c')
| -rw-r--r-- | module/zfs/zio.c | 31 |
1 files changed, 16 insertions, 15 deletions
diff --git a/module/zfs/zio.c b/module/zfs/zio.c index 08d56eef8..4aa08f3b3 100644 --- a/module/zfs/zio.c +++ b/module/zfs/zio.c @@ -23,7 +23,7 @@ * Copyright (c) 2011, 2022 by Delphix. All rights reserved. * Copyright (c) 2011 Nexenta Systems, Inc. All rights reserved. * Copyright (c) 2017, Intel Corporation. - * Copyright (c) 2019, Klara Inc. + * Copyright (c) 2019, 2023, 2024, Klara Inc. * Copyright (c) 2019, Allan Jude * Copyright (c) 2021, Datto, Inc. */ @@ -1450,17 +1450,6 @@ zio_claim(zio_t *pio, spa_t *spa, uint64_t txg, const blkptr_t *bp, } zio_t * -zio_ioctl(zio_t *pio, spa_t *spa, vdev_t *vd, int cmd, - zio_done_func_t *done, void *private, zio_flag_t flags) -{ - zio_t *zio = zio_create(pio, spa, 0, NULL, NULL, 0, 0, done, private, - ZIO_TYPE_IOCTL, ZIO_PRIORITY_NOW, flags, vd, 0, NULL, - ZIO_STAGE_OPEN, ZIO_IOCTL_PIPELINE); - zio->io_cmd = cmd; - return (zio); -} - -zio_t * zio_trim(zio_t *pio, vdev_t *vd, uint64_t offset, uint64_t size, zio_done_func_t *done, void *private, zio_priority_t priority, zio_flag_t flags, enum trim_flag trim_flags) @@ -1626,15 +1615,27 @@ zio_vdev_delegated_io(vdev_t *vd, uint64_t offset, abd_t *data, uint64_t size, return (zio); } + +/* + * Send a flush command to the given vdev. Unlike most zio creation functions, + * the flush zios are issued immediately. You can wait on pio to pause until + * the flushes complete. + */ void zio_flush(zio_t *pio, vdev_t *vd) { + const zio_flag_t flags = ZIO_FLAG_CANFAIL | ZIO_FLAG_DONT_PROPAGATE | + ZIO_FLAG_DONT_RETRY; + if (vd->vdev_nowritecache) return; + if (vd->vdev_children == 0) { - zio_nowait(zio_ioctl(pio, vd->vdev_spa, vd, - DKIOCFLUSHWRITECACHE, NULL, NULL, ZIO_FLAG_CANFAIL | - ZIO_FLAG_DONT_PROPAGATE | ZIO_FLAG_DONT_RETRY)); + zio_t *zio = zio_create(pio, vd->vdev_spa, 0, NULL, NULL, 0, 0, + NULL, NULL, ZIO_TYPE_IOCTL, ZIO_PRIORITY_NOW, flags, vd, 0, + NULL, ZIO_STAGE_OPEN, ZIO_IOCTL_PIPELINE); + zio->io_cmd = DKIOCFLUSHWRITECACHE; + zio_nowait(zio); } else { for (uint64_t c = 0; c < vd->vdev_children; c++) zio_flush(pio, vd->vdev_child[c]); |