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bdev/hello_world: Use spdk_bdev_open_ext() instead of spdk_bdev_open()

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This is a drop-in replacement.

Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: I20dc836b4d17770c8164c737e5523ebbf6fb22bc
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/4708
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
This commit is contained in:
Shuhei Matsumoto 2020-10-15 04:46:28 +09:00 committed by Tomasz Zawadzki
parent 3ac1d76aef
commit 83b57c54da
1 changed files with 17 additions and 14 deletions
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31
examples/bdev/hello_world/hello_bdev.c
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@ -184,6 +184,13 @@ hello_write(void *arg)
}
}
static void
hello_bdev_event_cb(enum spdk_bdev_event_type type, struct spdk_bdev *bdev,
void *event_ctx)
{
SPDK_NOTICELOG("Unsupported bdev event: type %d\n", type);
}
/*
* Our initial event that kicks off everything from main().
*/
@ -199,29 +206,25 @@ hello_start(void *arg1)
SPDK_NOTICELOG("Successfully started the application\n");
/*
* Get the bdev. There can be many bdevs configured, but this
* application will only use the one input by the user at runtime so
* we get it via its name.
*/
hello_context->bdev = spdk_bdev_get_by_name(hello_context->bdev_name);
if (hello_context->bdev == NULL) {
SPDK_ERRLOG("Could not find the bdev: %s\n", hello_context->bdev_name);
spdk_app_stop(-1);
return;
}
/*
* Open the bdev by calling spdk_bdev_open()
* There can be many bdevs configured, but this application will only use
* the one input by the user at runtime.
*
* Open the bdev by calling spdk_bdev_open_ext() with its name.
* The function will return a descriptor
*/
SPDK_NOTICELOG("Opening the bdev %s\n", hello_context->bdev_name);
rc = spdk_bdev_open(hello_context->bdev, true, NULL, NULL, &hello_context->bdev_desc);
rc = spdk_bdev_open_ext(hello_context->bdev_name, true, hello_bdev_event_cb, NULL,
&hello_context->bdev_desc);
if (rc) {
SPDK_ERRLOG("Could not open bdev: %s\n", hello_context->bdev_name);
spdk_app_stop(-1);
return;
}
/* A bdev pointer is valid while the bdev is opened. */
hello_context->bdev = spdk_bdev_desc_get_bdev(hello_context->bdev_desc);
SPDK_NOTICELOG("Opening io channel\n");
/* Open I/O channel */
hello_context->bdev_io_channel = spdk_bdev_get_io_channel(hello_context->bdev_desc);