diff --git a/lib/bdev/Makefile b/lib/bdev/Makefile index bc0d97b6e..aec8c0aa5 100644 --- a/lib/bdev/Makefile +++ b/lib/bdev/Makefile @@ -40,10 +40,9 @@ endif C_SRCS = bdev.c part.c scsi_nvme.c C_SRCS-$(CONFIG_VTUNE) += vtune.c - LIBNAME = bdev -DIRS-y += error gpt lvol malloc null nvme rpc split +DIRS-y += error gpt lvol malloc null nvme passthru rpc split ifeq ($(OS),Linux) DIRS-y += aio diff --git a/lib/bdev/passthru/Makefile b/lib/bdev/passthru/Makefile new file mode 100644 index 000000000..dec08be02 --- /dev/null +++ b/lib/bdev/passthru/Makefile @@ -0,0 +1,42 @@ +# +# BSD LICENSE +# +# Copyright (c) Intel Corporation. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in +# the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Intel Corporation nor the names of its +# contributors may be used to endorse or promote products derived +# from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# + +SPDK_ROOT_DIR := $(abspath $(CURDIR)/../../..) +include $(SPDK_ROOT_DIR)/mk/spdk.common.mk + +CFLAGS += -I$(SPDK_ROOT_DIR)/lib/bdev/ + +C_SRCS = vbdev_passthru.c +LIBNAME = vbdev_passthru + +include $(SPDK_ROOT_DIR)/mk/spdk.lib.mk diff --git a/lib/bdev/passthru/vbdev_passthru.c b/lib/bdev/passthru/vbdev_passthru.c new file mode 100755 index 000000000..743dbe0fb --- /dev/null +++ b/lib/bdev/passthru/vbdev_passthru.c @@ -0,0 +1,515 @@ +/*- + * BSD LICENSE + * + * Copyright (c) Intel Corporation. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * This is a simple example of a virtual block device module that passes IO + * down to a bdev (or bdevs) that its configured to attach to. + */ + +#include "spdk/stdinc.h" + +#include "spdk/rpc.h" +#include "spdk/env.h" +#include "spdk/conf.h" +#include "spdk/endian.h" +#include "spdk/string.h" +#include "spdk/io_channel.h" +#include "spdk/util.h" + +#include "spdk_internal/bdev.h" +#include "spdk_internal/log.h" + + +static int vbdev_passthru_init(void); +static void vbdev_passthru_get_spdk_running_config(FILE *fp); +static int vbdev_passthru_get_ctx_size(void); +static void vbdev_passthru_examine(struct spdk_bdev *bdev); +static void vbdev_passthru_finish(void); + +static struct spdk_bdev_module passthru_if = { + .name = "passthru", + .module_init = vbdev_passthru_init, + .config_text = vbdev_passthru_get_spdk_running_config, + .get_ctx_size = vbdev_passthru_get_ctx_size, + .examine = vbdev_passthru_examine, + .module_fini = vbdev_passthru_finish +}; + +SPDK_BDEV_MODULE_REGISTER(&passthru_if) + +/* List of pt_bdev names and their base bdevs via configuration file. + * Used so we can parse the conf once at init and use this list in examine(). + */ +struct bdev_names { + char *vbdev_name; + char *bdev_name; + TAILQ_ENTRY(bdev_names) link; +}; +static TAILQ_HEAD(, bdev_names) g_bdev_names = TAILQ_HEAD_INITIALIZER(g_bdev_names); + +/* List of virtual bdevs and associated info for each. */ +struct vbdev_passthru { + struct spdk_bdev *base_bdev; /* the thing we're attaching to */ + struct spdk_bdev_desc *base_desc; /* its descriptor we get from open */ + struct spdk_bdev pt_bdev; /* the PT virtual bdev */ + TAILQ_ENTRY(vbdev_passthru) link; +}; +static TAILQ_HEAD(, vbdev_passthru) g_pt_nodes = TAILQ_HEAD_INITIALIZER(g_pt_nodes); + +/* The pt vbdev channel struct. It is allocated and freed on my behalf by the io channel code. + * If this vbdev needed to implement a poller or a queue for IO, this is where those things + * would be defined. This passthru bdev doesn't actually need to allocate a channel, it could + * simply pass back the channel of the bdev underneath it but for example purposes we will + * present its own to the upper layers. + */ +struct pt_io_channel { + struct spdk_io_channel *base_ch; /* IO channel of base device */ +}; + +/* Just for fun, this pt_bdev module doesn't need it but this is essentially a per IO + * context that we get handed by the bdev layer. + */ +struct passthru_bdev_io { + uint8_t test; +}; + +/* Called after we've unregistered following a hot remove callback. + * Our finish entry point will be called next. + */ +static int +vbdev_passthru_destruct(void *ctx) +{ + struct vbdev_passthru *pt_node = (struct vbdev_passthru *)ctx; + + /* Unclaim the underlying bdev. */ + spdk_bdev_module_release_bdev(pt_node->base_bdev); + + /* Close the underlying bdev. */ + spdk_bdev_close(pt_node->base_desc); + + /* Done with this pt_node. */ + TAILQ_REMOVE(&g_pt_nodes, pt_node, link); + free(pt_node->pt_bdev.name); + free(pt_node); + return 0; +} + +/* Completion callback for IO that were issued from this bdev. The original bdev_io + * is passed in as an arg so we'll complete that one with the appropriate status + * and then free the one that this module issued. + */ +static void +_pt_complete_io(struct spdk_bdev_io *bdev_io, bool success, void *cb_arg) +{ + struct spdk_bdev_io *orig_io = cb_arg; + int status = success ? SPDK_BDEV_IO_STATUS_SUCCESS : SPDK_BDEV_IO_STATUS_FAILED; + struct passthru_bdev_io *io_ctx = (struct passthru_bdev_io *)orig_io->driver_ctx; + + /* We setup this value in the submission routine, just showing here that it is + * passed back to us. + */ + if (io_ctx->test != 0x5a) { + SPDK_ERRLOG("Error, original IO device_ctx is wrong! 0x%x\n", + io_ctx->test); + } + + /* Complete the original IO and then free the one that we created here + * as a result of issuing an IO via submit_reqeust. + */ + spdk_bdev_io_complete(orig_io, status); + spdk_bdev_free_io(bdev_io); +} + + +/* Called when someone above submits IO to this pt vbdev. We're simply passing it on here + * via SPDK IO calls which in turn allocate another bdev IO and call our cpl callback provided + * below along with the original bdiv_io so that we can complete it once this IO completes. + */ +static void +vbdev_passthru_submit_request(struct spdk_io_channel *ch, struct spdk_bdev_io *bdev_io) +{ + struct vbdev_passthru *pt_node = SPDK_CONTAINEROF(bdev_io->bdev, struct vbdev_passthru, pt_bdev); + struct pt_io_channel *pt_ch = spdk_io_channel_get_ctx(ch); + struct passthru_bdev_io *io_ctx = (struct passthru_bdev_io *)bdev_io->driver_ctx; + int rc = 1; + + /* Setup a per IO context value; we don't do anything with it in the vbdev other + * than confirm we get the same thing back in the completion callback just to + * demonstrate. + */ + io_ctx->test = 0x5a; + + switch (bdev_io->type) { + case SPDK_BDEV_IO_TYPE_READ: + rc = spdk_bdev_readv_blocks(pt_node->base_desc, pt_ch->base_ch, bdev_io->u.bdev.iovs, + bdev_io->u.bdev.iovcnt, bdev_io->u.bdev.offset_blocks, + bdev_io->u.bdev.num_blocks, _pt_complete_io, + bdev_io); + break; + case SPDK_BDEV_IO_TYPE_WRITE: + rc = spdk_bdev_writev_blocks(pt_node->base_desc, pt_ch->base_ch, bdev_io->u.bdev.iovs, + bdev_io->u.bdev.iovcnt, bdev_io->u.bdev.offset_blocks, + bdev_io->u.bdev.num_blocks, _pt_complete_io, + bdev_io); + break; + case SPDK_BDEV_IO_TYPE_WRITE_ZEROES: + rc = spdk_bdev_write_zeroes_blocks(pt_node->base_desc, pt_ch->base_ch, + bdev_io->u.bdev.offset_blocks, + bdev_io->u.bdev.num_blocks, + _pt_complete_io, bdev_io); + break; + case SPDK_BDEV_IO_TYPE_UNMAP: + rc = spdk_bdev_unmap_blocks(pt_node->base_desc, pt_ch->base_ch, + bdev_io->u.bdev.offset_blocks, + bdev_io->u.bdev.num_blocks, + _pt_complete_io, bdev_io); + break; + case SPDK_BDEV_IO_TYPE_FLUSH: + rc = spdk_bdev_flush_blocks(pt_node->base_desc, pt_ch->base_ch, + bdev_io->u.bdev.offset_blocks, + bdev_io->u.bdev.num_blocks, + _pt_complete_io, bdev_io); + break; + case SPDK_BDEV_IO_TYPE_RESET: + rc = spdk_bdev_reset(pt_node->base_desc, pt_ch->base_ch, + _pt_complete_io, bdev_io); + break; + default: + SPDK_ERRLOG("passthru: unknown I/O type %d\n", bdev_io->type); + spdk_bdev_io_complete(bdev_io, SPDK_BDEV_IO_STATUS_FAILED); + return; + } + if (rc != 0) { + SPDK_ERRLOG("ERROR on bdev_io submission!\n"); + spdk_bdev_io_complete(bdev_io, SPDK_BDEV_IO_STATUS_FAILED); + } +} + +/* We'll just call the base bdev and let it answer however if we were more + * restrictive for some reason (or less) we could get the repsonse back + * and modify according to our purposes. + */ +static bool +vbdev_passthru_io_type_supported(void *ctx, enum spdk_bdev_io_type io_type) +{ + struct vbdev_passthru *pt_node = (struct vbdev_passthru *)ctx; + + return spdk_bdev_io_type_supported(pt_node->base_bdev, io_type); +} + +/* We supplied this as an entry point for upper layers who want to communicate to this + * bdev. This is how they get a channel. We are passed the same context we provided when + * we created our PT vbdev in examine() which, for this bdev, is the address of one of + * our context nodes. From here we'll ask the SPDK channel code to fill out our channel + * struct and we'll keep it in our PT node. + */ +static struct spdk_io_channel * +vbdev_passthru_get_io_channel(void *ctx) +{ + struct vbdev_passthru *pt_node = (struct vbdev_passthru *)ctx; + struct spdk_io_channel *pt_ch = NULL; + + /* The IO channel code will allocate a channel for us which consists of + * the SPDK cahnnel structure plus the size of our pt_io_channel struct + * that we passed in when we registered our IO device. It will then call + * our channel create callback to populate any elements that we need to + * update. + */ + pt_ch = spdk_get_io_channel(pt_node); + + return pt_ch; +} + +static int +vbdev_passthru_info_config_json(void *ctx, struct spdk_json_write_ctx *write_ctx) +{ + struct vbdev_passthru *pt_node = (struct vbdev_passthru *)ctx; + + /* This is the output for get_bdevs() for this vbdev */ + spdk_json_write_name(write_ctx, "passthru"); + spdk_json_write_object_begin(write_ctx); + + spdk_json_write_name(write_ctx, "pt_bdev_name"); + spdk_json_write_string(write_ctx, spdk_bdev_get_name(&pt_node->pt_bdev)); + + spdk_json_write_name(write_ctx, "base_bdev_name"); + spdk_json_write_string(write_ctx, spdk_bdev_get_name(pt_node->base_bdev)); + + spdk_json_write_object_end(write_ctx); + + return 0; +} + +/* We provide this callback for the SPDK channel code to create a channel using + * the channel struct we provided in our module get_io_channel() entry point. Here + * we get and save off an underlying base channel of the device below us so that + * we can communicate with the base bdev on a per channel basis. If we needed + * our own poller for this vbdev, we'd register it here. + */ +static int +pt_bdev_ch_create_cb(void *io_device, void *ctx_buf) +{ + struct pt_io_channel *pt_ch = ctx_buf; + struct vbdev_passthru *pt_node = io_device; + + pt_ch->base_ch = spdk_bdev_get_io_channel(pt_node->base_desc); + + return 0; +} + +/* We provide this callback for the SPDK channel code to destroy a channel + * created with our create callback. We just need to undo anything we did + * when we created. If this bdev used its own poller, we'd unregsiter it here. + */ +static void +pt_bdev_ch_destroy_cb(void *io_device, void *ctx_buf) +{ + struct pt_io_channel *pt_ch = ctx_buf; + + spdk_put_io_channel(pt_ch->base_ch); +} + +/* On init, just parse config file and build list of pt vbdevs and bdev name pairs. */ +static int +vbdev_passthru_init(void) +{ + struct spdk_conf_section *sp = NULL; + const char *conf_bdev_name = NULL; + const char *conf_vbdev_name = NULL; + struct bdev_names *name; + int i; + + sp = spdk_conf_find_section(NULL, "passthru"); + if (sp != NULL) { + for (i = 0; ; i++) { + if (!spdk_conf_section_get_nval(sp, "PT", i)) { + break; + } + + conf_bdev_name = spdk_conf_section_get_nmval(sp, "PT", i, 0); + if (!conf_bdev_name) { + SPDK_ERRLOG("Passthru configuration missing bdev name\n"); + break; + } + + conf_vbdev_name = spdk_conf_section_get_nmval(sp, "PT", i, 1); + if (!conf_vbdev_name) { + SPDK_ERRLOG("Passthru configuration missing pt_bdev name\n"); + break; + } + + name = calloc(1, sizeof(struct bdev_names)); + if (!name) { + SPDK_ERRLOG("could not allocate bdev_names\n"); + return -ENOMEM; + } + name->bdev_name = strdup(conf_bdev_name); + if (!name->bdev_name) { + SPDK_ERRLOG("could not allocate name->bdev_name\n"); + free(name); + return -ENOMEM; + } + + name->vbdev_name = strdup(conf_vbdev_name); + if (!name->vbdev_name) { + SPDK_ERRLOG("could not allocate name->vbdev_name\n"); + free(name->bdev_name); + free(name); + return -ENOMEM; + } + TAILQ_INSERT_TAIL(&g_bdev_names, name, link); + } + TAILQ_FOREACH(name, &g_bdev_names, link) { + SPDK_NOTICELOG("conf parse matched: %s\n", name->bdev_name); + } + } + return 0; +} + +/* Called when the entire module is being torn down. */ +static void +vbdev_passthru_finish(void) +{ + struct bdev_names *name; + + while ((name = TAILQ_FIRST(&g_bdev_names))) { + TAILQ_REMOVE(&g_bdev_names, name, link); + free(name->bdev_name); + free(name->vbdev_name); + free(name); + } +} + +/* During init we'll be asked how much memory we'd like passed to us + * in bev_io structures as context. Here's where we specify how + * much context we want per IO. + */ +static int +vbdev_passthru_get_ctx_size(void) +{ + return sizeof(struct passthru_bdev_io); +} + +/* Called when SPDK wants to save the current config of this vbdev module to + * a file. + */ +static void +vbdev_passthru_get_spdk_running_config(FILE *fp) +{ + struct bdev_names *names = NULL; + + fprintf(fp, "\n[passthru]\n"); + TAILQ_FOREACH(names, &g_bdev_names, link) { + fprintf(fp, " PT %s %s ", names->bdev_name, names->vbdev_name); + fprintf(fp, "\n"); + } + fprintf(fp, "\n"); +} + +/* When we regsiter our bdev this is how we specify our entry points. */ +static const struct spdk_bdev_fn_table vbdev_passthru_fn_table = { + .destruct = vbdev_passthru_destruct, + .submit_request = vbdev_passthru_submit_request, + .io_type_supported = vbdev_passthru_io_type_supported, + .get_io_channel = vbdev_passthru_get_io_channel, + .dump_info_json = vbdev_passthru_info_config_json, +}; + +/* Called when the underlying base bdev goes away. */ +static void +vbdev_passthru_examine_hotremove_cb(void *ctx) +{ + struct vbdev_passthru *pt_node, *tmp; + struct spdk_bdev *bdev_find = ctx; + + TAILQ_FOREACH_SAFE(pt_node, &g_pt_nodes, link, tmp) { + if (bdev_find == pt_node->base_bdev) { + spdk_bdev_unregister(&pt_node->pt_bdev, NULL, NULL); + } + } +} + +/* Because we specified this function in our pt bdev function table when we + * registered our pt bdev, we'll get this call anytime a new bdev shows up. + * Here we need to decide if we care about it and if so what to do. We + * parsed the config file at init so we check the new bdev against the list + * we built up at that time and if the user configured us to attach to this + * bdev, here's where we do it. + */ +static void +vbdev_passthru_examine(struct spdk_bdev *bdev) +{ + struct bdev_names *name; + struct vbdev_passthru *pt_node; + int rc; + + /* Check our list of names from config versus this bdev and if + * there's a match, create the pt_node & bdev accordingly. + */ + TAILQ_FOREACH(name, &g_bdev_names, link) { + if (strcmp(name->bdev_name, bdev->name) == 0) { + SPDK_NOTICELOG("Match on %s\n", bdev->name); + pt_node = calloc(1, sizeof(struct vbdev_passthru)); + if (!pt_node) { + SPDK_ERRLOG("could not allocate pt_node\n"); + return; + } + + /* The base bdev that we're attaching to. */ + pt_node->base_bdev = bdev; + pt_node->pt_bdev.name = strdup(name->vbdev_name); + if (!pt_node->pt_bdev.name) { + SPDK_ERRLOG("could not allocate pt_bdev name\n"); + free(pt_node); + return; + } + pt_node->pt_bdev.product_name = "passthru"; + + /* Copy some properties from the underying base bdev. */ + pt_node->pt_bdev.write_cache = bdev->write_cache; + pt_node->pt_bdev.need_aligned_buffer = bdev->need_aligned_buffer; + pt_node->pt_bdev.optimal_io_boundary = bdev->optimal_io_boundary; + pt_node->pt_bdev.blocklen = bdev->blocklen; + pt_node->pt_bdev.blockcnt = bdev->blockcnt; + + /* This is the context that is passed to us when the bdev + * layer calls in so we'll save our pt_bdev node here. + */ + pt_node->pt_bdev.ctxt = pt_node; + pt_node->pt_bdev.fn_table = &vbdev_passthru_fn_table; + pt_node->pt_bdev.module = &passthru_if; + TAILQ_INSERT_TAIL(&g_pt_nodes, pt_node, link); + + spdk_io_device_register(pt_node, pt_bdev_ch_create_cb, pt_bdev_ch_destroy_cb, + sizeof(struct pt_io_channel)); + SPDK_NOTICELOG("io_device created at: 0x%p\n", pt_node); + + rc = spdk_bdev_open(bdev, false, vbdev_passthru_examine_hotremove_cb, + bdev, &pt_node->base_desc); + if (rc) { + SPDK_ERRLOG("could not open bdev %s\n", spdk_bdev_get_name(bdev)); + TAILQ_REMOVE(&g_pt_nodes, pt_node, link); + free(pt_node->pt_bdev.name); + free(pt_node); + return; + } + SPDK_NOTICELOG("bdev opened\n"); + + rc = spdk_bdev_module_claim_bdev(bdev, pt_node->base_desc, pt_node->pt_bdev.module); + if (rc) { + SPDK_ERRLOG("could not claim bdev %s\n", spdk_bdev_get_name(bdev)); + spdk_bdev_close(pt_node->base_desc); + TAILQ_REMOVE(&g_pt_nodes, pt_node, link); + free(pt_node->pt_bdev.name); + free(pt_node); + return; + } + SPDK_NOTICELOG("bdev claimed\n"); + + rc = spdk_vbdev_register(&pt_node->pt_bdev, &bdev, 1); + if (rc) { + SPDK_ERRLOG("could not register pt_bdev\n"); + spdk_bdev_close(pt_node->base_desc); + TAILQ_REMOVE(&g_pt_nodes, pt_node, link); + free(pt_node->pt_bdev.name); + free(pt_node); + return; + } + SPDK_NOTICELOG("pt_bdev registered\n"); + SPDK_NOTICELOG("created pt_bdev for: %s\n", name->vbdev_name); + } + } + spdk_bdev_module_examine_done(&passthru_if); +} + +SPDK_LOG_REGISTER_COMPONENT("vbdev_passthru", SPDK_LOG_VBDEV_PASSTHRU) diff --git a/mk/spdk.modules.mk b/mk/spdk.modules.mk index d0e556a98..c3a6fa784 100644 --- a/mk/spdk.modules.mk +++ b/mk/spdk.modules.mk @@ -31,7 +31,7 @@ # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. # -BLOCKDEV_MODULES_LIST = bdev_malloc bdev_null bdev_nvme nvme vbdev_error vbdev_gpt vbdev_lvol vbdev_split +BLOCKDEV_MODULES_LIST = bdev_malloc bdev_null bdev_nvme nvme vbdev_passthru vbdev_error vbdev_gpt vbdev_lvol vbdev_split # Modules below are added as dependency for vbdev_lvol BLOCKDEV_MODULES_LIST += blob blob_bdev lvol diff --git a/test/lib/bdev/bdev.conf.in b/test/lib/bdev/bdev.conf.in index 17cdeedad..8d7ac2e8f 100644 --- a/test/lib/bdev/bdev.conf.in +++ b/test/lib/bdev/bdev.conf.in @@ -1,5 +1,9 @@ +[passthru] + # PT + PT Malloc3 TestPT + [Malloc] - NumberOfLuns 3 + NumberOfLuns 4 LunSizeInMB 64 [Split]