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

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This is a drop-in replacement. Update unit test together, and the
idea of the update was from the unit test for zone bdev module.

Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: Ia8d0644f42b9d0a0ad502eebbe3e414abd1de4cf
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/4591
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
This commit is contained in:
Shuhei Matsumoto 2020-10-11 18:34:21 +09:00 committed by Jim Harris
parent 491e6c4309
commit d8a1892422
2 changed files with 50 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
module/bdev/raid/bdev_raid.c
View File

@ -97,7 +97,8 @@ static void raid_bdev_examine(struct spdk_bdev *bdev);
static int raid_bdev_init(void);
static void raid_bdev_deconfigure(struct raid_bdev *raid_bdev,
raid_bdev_destruct_cb cb_fn, void *cb_arg);
static void raid_bdev_remove_base_bdev(void *ctx);
static void raid_bdev_event_base_bdev(enum spdk_bdev_event_type type, struct spdk_bdev *bdev,
void *event_ctx);
/*
* brief:
@ -1316,7 +1317,7 @@ raid_bdev_alloc_base_bdev_resource(struct raid_bdev *raid_bdev, struct spdk_bdev
struct spdk_bdev_desc *desc;
int rc;
rc = spdk_bdev_open(bdev, true, raid_bdev_remove_base_bdev, bdev, &desc);
rc = spdk_bdev_open_ext(bdev->name, true, raid_bdev_event_base_bdev, NULL, &desc);
if (rc != 0) {
SPDK_ERRLOG("Unable to create desc on bdev '%s'\n", bdev->name);
return rc;
@ -1495,14 +1496,13 @@ raid_bdev_find_by_base_bdev(struct spdk_bdev *base_bdev, struct raid_bdev **_rai
* is removed. This function checks if this base bdev is part of any raid bdev
* or not. If yes, it takes necessary action on that particular raid bdev.
* params:
* ctx - pointer to base bdev pointer which got removed
* base_bdev - pointer to base bdev pointer which got removed
* returns:
* none
*/
static void
raid_bdev_remove_base_bdev(void *ctx)
raid_bdev_remove_base_bdev(struct spdk_bdev *base_bdev)
{
struct spdk_bdev *base_bdev = ctx;
struct raid_bdev *raid_bdev = NULL;
struct raid_base_bdev_info *base_info;
@ -1534,6 +1534,31 @@ raid_bdev_remove_base_bdev(void *ctx)
raid_bdev_deconfigure(raid_bdev, NULL, NULL);
}
/*
* brief:
* raid_bdev_event_base_bdev function is called by below layers when base_bdev
* triggers asynchronous event.
* params:
* type - event details.
* bdev - bdev that triggered event.
* event_ctx - context for event.
* returns:
* none
*/
static void
raid_bdev_event_base_bdev(enum spdk_bdev_event_type type, struct spdk_bdev *bdev,
void *event_ctx)
{
switch (type) {
case SPDK_BDEV_EVENT_REMOVE:
raid_bdev_remove_base_bdev(bdev);
break;
default:
SPDK_NOTICELOG("Unsupported bdev event: type %d\n", type);
break;
}
}
/*
* brief:
* Remove base bdevs from the raid bdev one by one. Skip any base bdev which

23
test/unit/lib/bdev/raid/bdev_raid.c/bdev_raid_ut.c
View File

@ -50,6 +50,10 @@ struct spdk_bdev_channel {
struct spdk_io_channel *channel;
};
struct spdk_bdev_desc {
struct spdk_bdev *bdev;
};
/* Data structure to capture the output of IO for verification */
struct io_output {
struct spdk_bdev_desc *desc;
@ -363,13 +367,26 @@ spdk_bdev_unregister(struct spdk_bdev *bdev, spdk_bdev_unregister_cb cb_fn, void
}
int
spdk_bdev_open(struct spdk_bdev *bdev, bool write, spdk_bdev_remove_cb_t remove_cb,
void *remove_ctx, struct spdk_bdev_desc **_desc)
spdk_bdev_open_ext(const char *bdev_name, bool write, spdk_bdev_event_cb_t event_cb,
void *event_ctx, struct spdk_bdev_desc **_desc)
{
*_desc = (void *)0x1;
struct spdk_bdev *bdev;
bdev = spdk_bdev_get_by_name(bdev_name);
if (bdev == NULL) {
return -ENODEV;
}
*_desc = (void *)bdev;
return 0;
}
struct spdk_bdev *
spdk_bdev_desc_get_bdev(struct spdk_bdev_desc *desc)
{
return (void *)desc;
}
char *
spdk_sprintf_alloc(const char *format, ...)
{