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bdev/raid: Simplify variable names in struct raid_base_bdev_info

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raid_base_bdev_info is sufficiently descriptive as name and so
names of member variables in raid_base_bdev_info can be simplified.

Change-Id: I759a758ec0f3ac21de767ad379a902f1b04cc66d
Signed-off-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-on: https://review.gerrithub.io/422919
Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Kunal Sablok <kunal.sablok@intel.com>
This commit is contained in:
Shuhei Matsumoto 2018-08-21 08:01:56 +09:00 committed by Ben Walker
parent 4bd9762165
commit c7756fe71d
4 changed files with 42 additions and 42 deletions
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58
lib/bdev/raid/bdev_raid.c
View File

@ -105,7 +105,7 @@ raid_bdev_create_cb(void *io_device, void *ctx_buf)
* bdev io channel.
*/
ch->base_bdevs_io_channel[i] = spdk_bdev_get_io_channel(
raid_bdev->base_bdev_info[i].base_bdev_desc);
raid_bdev->base_bdev_info[i].desc);
if (!ch->base_bdevs_io_channel[i]) {
for (uint32_t j = 0; j < i; j++) {
spdk_put_io_channel(ch->base_bdevs_io_channel[j]);
@ -201,10 +201,10 @@ raid_bdev_free_base_bdev_resource(struct raid_bdev *raid_bdev, uint32_t base_bde
info = &raid_bdev->base_bdev_info[base_bdev_slot];
spdk_bdev_module_release_bdev(info->base_bdev);
spdk_bdev_close(info->base_bdev_desc);
info->base_bdev_desc = NULL;
info->base_bdev = NULL;
spdk_bdev_module_release_bdev(info->bdev);
spdk_bdev_close(info->desc);
info->desc = NULL;
info->bdev = NULL;
assert(raid_bdev->num_base_bdevs_discovered);
raid_bdev->num_base_bdevs_discovered--;
@ -233,8 +233,8 @@ raid_bdev_destruct(void *ctxt)
* layers. Also close the descriptors if we have started shutdown.
*/
if (g_shutdown_started ||
((raid_bdev->base_bdev_info[i].base_bdev_remove_scheduled == true) &&
(raid_bdev->base_bdev_info[i].base_bdev != NULL))) {
((raid_bdev->base_bdev_info[i].remove_scheduled == true) &&
(raid_bdev->base_bdev_info[i].bdev != NULL))) {
raid_bdev_free_base_bdev_resource(raid_bdev, i);
}
}
@ -325,21 +325,21 @@ raid_bdev_send_passthru(struct spdk_io_channel *ch, struct spdk_bdev_io *bdev_io
raid_bdev_io = (struct raid_bdev_io *)bdev_io->driver_ctx;
raid_bdev_io->status = SPDK_BDEV_IO_STATUS_SUCCESS;
if (raid_bdev->base_bdev_info[0].base_bdev_desc == NULL) {
if (raid_bdev->base_bdev_info[0].desc == NULL) {
SPDK_ERRLOG("base bdev desc null for pd_idx %u\n", 0);
assert(0);
}
raid_bdev_io->splits_pending = 0;
raid_bdev_io->splits_comp_outstanding = 1;
if (bdev_io->type == SPDK_BDEV_IO_TYPE_READ) {
ret = spdk_bdev_read_blocks(raid_bdev->base_bdev_info[0].base_bdev_desc,
ret = spdk_bdev_read_blocks(raid_bdev->base_bdev_info[0].desc,
raid_bdev_io_channel->base_bdevs_io_channel[0],
bdev_io->u.bdev.iovs->iov_base,
bdev_io->u.bdev.offset_blocks,
bdev_io->u.bdev.num_blocks, raid_bdev_io_completion,
bdev_io);
} else if (bdev_io->type == SPDK_BDEV_IO_TYPE_WRITE) {
ret = spdk_bdev_write_blocks(raid_bdev->base_bdev_info[0].base_bdev_desc,
ret = spdk_bdev_write_blocks(raid_bdev->base_bdev_info[0].desc,
raid_bdev_io_channel->base_bdevs_io_channel[0],
bdev_io->u.bdev.iovs->iov_base,
bdev_io->u.bdev.offset_blocks,
@ -423,7 +423,7 @@ raid_bdev_submit_children(struct spdk_io_channel *ch, struct spdk_bdev_io *bdev_
raid_bdev_io->splits_comp_outstanding++;
assert(raid_bdev_io->splits_pending);
raid_bdev_io->splits_pending--;
if (raid_bdev->base_bdev_info[pd_idx].base_bdev_desc == NULL) {
if (raid_bdev->base_bdev_info[pd_idx].desc == NULL) {
SPDK_ERRLOG("base bdev desc null for pd_idx %u\n", pd_idx);
assert(0);
}
@ -434,13 +434,13 @@ raid_bdev_submit_children(struct spdk_io_channel *ch, struct spdk_bdev_io *bdev_
* function and function callback context
*/
if (bdev_io->type == SPDK_BDEV_IO_TYPE_READ) {
ret = spdk_bdev_read_blocks(raid_bdev->base_bdev_info[pd_idx].base_bdev_desc,
ret = spdk_bdev_read_blocks(raid_bdev->base_bdev_info[pd_idx].desc,
raid_bdev_io_channel->base_bdevs_io_channel[pd_idx],
buf, pd_lba, pd_blocks, raid_bdev_io_completion,
bdev_io);
} else if (bdev_io->type == SPDK_BDEV_IO_TYPE_WRITE) {
ret = spdk_bdev_write_blocks(raid_bdev->base_bdev_info[pd_idx].base_bdev_desc,
ret = spdk_bdev_write_blocks(raid_bdev->base_bdev_info[pd_idx].desc,
raid_bdev_io_channel->base_bdevs_io_channel[pd_idx],
buf, pd_lba, pd_blocks, raid_bdev_io_completion,
bdev_io);
@ -544,11 +544,11 @@ raid_bdev_io_submit_fail_process(struct raid_bdev *raid_bdev, struct spdk_bdev_i
} else {
/* Queue the IO to bdev layer wait queue */
pd_idx = get_curr_base_bdev_index(raid_bdev, raid_bdev_io);
raid_bdev_io->waitq_entry.bdev = raid_bdev->base_bdev_info[pd_idx].base_bdev;
raid_bdev_io->waitq_entry.bdev = raid_bdev->base_bdev_info[pd_idx].bdev;
raid_bdev_io->waitq_entry.cb_fn = raid_bdev_waitq_io_process;
raid_bdev_io->waitq_entry.cb_arg = raid_bdev_io;
raid_bdev_io_channel = spdk_io_channel_get_ctx(raid_bdev_io->ch);
if (spdk_bdev_queue_io_wait(raid_bdev->base_bdev_info[pd_idx].base_bdev,
if (spdk_bdev_queue_io_wait(raid_bdev->base_bdev_info[pd_idx].bdev,
raid_bdev_io_channel->base_bdevs_io_channel[pd_idx],
&raid_bdev_io->waitq_entry) != 0) {
SPDK_ERRLOG("bdev io waitq error, it should not happen\n");
@ -764,8 +764,8 @@ raid_bdev_dump_info_json(void *ctx, struct spdk_json_write_ctx *w)
spdk_json_write_name(w, "base_bdevs_list");
spdk_json_write_array_begin(w);
for (uint16_t i = 0; i < raid_bdev->num_base_bdevs; i++) {
if (raid_bdev->base_bdev_info[i].base_bdev) {
spdk_json_write_string(w, raid_bdev->base_bdev_info[i].base_bdev->name);
if (raid_bdev->base_bdev_info[i].bdev) {
spdk_json_write_string(w, raid_bdev->base_bdev_info[i].bdev->name);
} else {
spdk_json_write_null(w);
}
@ -1260,8 +1260,8 @@ raid_bdev_alloc_base_bdev_resource(struct raid_bdev *raid_bdev, struct spdk_bdev
assert(raid_bdev->state != RAID_BDEV_STATE_ONLINE);
assert(base_bdev_slot < raid_bdev->num_base_bdevs);
raid_bdev->base_bdev_info[base_bdev_slot].base_bdev = bdev;
raid_bdev->base_bdev_info[base_bdev_slot].base_bdev_desc = desc;
raid_bdev->base_bdev_info[base_bdev_slot].bdev = bdev;
raid_bdev->base_bdev_info[base_bdev_slot].desc = desc;
raid_bdev->num_base_bdevs_discovered++;
assert(raid_bdev->num_base_bdevs_discovered <= raid_bdev->num_base_bdevs);
@ -1286,16 +1286,16 @@ raid_bdev_configure(struct raid_bdev *raid_bdev)
uint64_t min_blockcnt;
struct spdk_bdev *raid_bdev_gen;
blocklen = raid_bdev->base_bdev_info[0].base_bdev->blocklen;
min_blockcnt = raid_bdev->base_bdev_info[0].base_bdev->blockcnt;
blocklen = raid_bdev->base_bdev_info[0].bdev->blocklen;
min_blockcnt = raid_bdev->base_bdev_info[0].bdev->blockcnt;
for (uint32_t i = 1; i < raid_bdev->num_base_bdevs; i++) {
/* Calculate minimum block count from all base bdevs */
if (raid_bdev->base_bdev_info[i].base_bdev->blockcnt < min_blockcnt) {
min_blockcnt = raid_bdev->base_bdev_info[i].base_bdev->blockcnt;
if (raid_bdev->base_bdev_info[i].bdev->blockcnt < min_blockcnt) {
min_blockcnt = raid_bdev->base_bdev_info[i].bdev->blockcnt;
}
/* Check blocklen for all base bdevs that it should be same */
if (blocklen != raid_bdev->base_bdev_info[i].base_bdev->blocklen) {
if (blocklen != raid_bdev->base_bdev_info[i].bdev->blocklen) {
/*
* Assumption is that all the base bdevs for any raid bdev should
* have same blocklen
@ -1416,7 +1416,7 @@ raid_bdev_remove_base_bdev(void *ctx)
/* Find the raid_bdev which has claimed this base_bdev */
TAILQ_FOREACH_SAFE(raid_bdev, &g_spdk_raid_bdev_list, link_global_list, next_raid_bdev) {
for (i = 0; i < raid_bdev->num_base_bdevs; i++) {
if (raid_bdev->base_bdev_info[i].base_bdev == base_bdev) {
if (raid_bdev->base_bdev_info[i].bdev == base_bdev) {
found = true;
break;
}
@ -1432,11 +1432,11 @@ raid_bdev_remove_base_bdev(void *ctx)
}
assert(raid_bdev != NULL);
assert(raid_bdev->base_bdev_info[i].base_bdev);
assert(raid_bdev->base_bdev_info[i].base_bdev_desc);
raid_bdev->base_bdev_info[i].base_bdev_remove_scheduled = true;
assert(raid_bdev->base_bdev_info[i].bdev);
assert(raid_bdev->base_bdev_info[i].desc);
raid_bdev->base_bdev_info[i].remove_scheduled = true;
if (raid_bdev->destruct_called == true && raid_bdev->base_bdev_info[i].base_bdev != NULL) {
if (raid_bdev->destruct_called == true && raid_bdev->base_bdev_info[i].bdev != NULL) {
/* As raid bdev is already unregistered, so cleanup should be done here itself */
raid_bdev_free_base_bdev_resource(raid_bdev, i);
if (raid_bdev->num_base_bdevs_discovered == 0) {

6
lib/bdev/raid/bdev_raid.h
View File

@ -64,17 +64,17 @@ enum raid_bdev_state {
*/
struct raid_base_bdev_info {
/* pointer to base spdk bdev */
struct spdk_bdev *base_bdev;
struct spdk_bdev *bdev;
/* pointer to base bdev descriptor opened by raid bdev */
struct spdk_bdev_desc *base_bdev_desc;
struct spdk_bdev_desc *desc;
/*
* When underlying base device calls the hot plug function on drive removal,
* this flag will be set and later after doing some processing, base device
* descriptor will be closed
*/
bool base_bdev_remove_scheduled;
bool remove_scheduled;
};
/*

10
lib/bdev/raid/bdev_raid_rpc.c
View File

@ -266,12 +266,12 @@ check_and_remove_raid_bdev(struct raid_bdev_config *raid_bdev_config)
assert(raid_bdev->state == RAID_BDEV_STATE_CONFIGURING);
for (uint32_t i = 0; i < raid_bdev->num_base_bdevs; i++) {
assert(raid_bdev->base_bdev_info != NULL);
if (raid_bdev->base_bdev_info[i].base_bdev) {
if (raid_bdev->base_bdev_info[i].bdev) {
/* Release base bdev related resources */
spdk_bdev_module_release_bdev(raid_bdev->base_bdev_info[i].base_bdev);
spdk_bdev_close(raid_bdev->base_bdev_info[i].base_bdev_desc);
raid_bdev->base_bdev_info[i].base_bdev_desc = NULL;
raid_bdev->base_bdev_info[i].base_bdev = NULL;
spdk_bdev_module_release_bdev(raid_bdev->base_bdev_info[i].bdev);
spdk_bdev_close(raid_bdev->base_bdev_info[i].desc);
raid_bdev->base_bdev_info[i].desc = NULL;
raid_bdev->base_bdev_info[i].bdev = NULL;
assert(raid_bdev->num_base_bdevs_discovered);
raid_bdev->num_base_bdevs_discovered--;
}

10
test/unit/lib/bdev/bdev_raid.c/bdev_raid_ut.c
View File

@ -720,7 +720,7 @@ verify_io(struct spdk_bdev_io *bdev_io, uint8_t num_base_drives,
CU_ASSERT(pd_lba == g_io_output[index].offset_blocks);
CU_ASSERT(pd_blocks == g_io_output[index].num_blocks);
CU_ASSERT(ch_ctx->base_bdevs_io_channel[pd_idx] == g_io_output[index].ch);
CU_ASSERT(raid_bdev->base_bdev_info[pd_idx].base_bdev_desc == g_io_output[index].desc);
CU_ASSERT(raid_bdev->base_bdev_info[pd_idx].desc == g_io_output[index].desc);
CU_ASSERT(buf == g_io_output[index].buf);
CU_ASSERT(bdev_io->type == g_io_output[index].iotype);
buf += (pd_blocks << spdk_u32log2(g_block_len));
@ -730,7 +730,7 @@ verify_io(struct spdk_bdev_io *bdev_io, uint8_t num_base_drives,
CU_ASSERT(bdev_io->u.bdev.offset_blocks == g_io_output[0].offset_blocks);
CU_ASSERT(bdev_io->u.bdev.num_blocks == g_io_output[0].num_blocks);
CU_ASSERT(ch_ctx->base_bdevs_io_channel[0] == g_io_output[0].ch);
CU_ASSERT(raid_bdev->base_bdev_info[0].base_bdev_desc == g_io_output[0].desc);
CU_ASSERT(raid_bdev->base_bdev_info[0].desc == g_io_output[0].desc);
CU_ASSERT(buf == g_io_output[index].buf);
}
CU_ASSERT(g_io_comp_status == io_status);
@ -839,10 +839,10 @@ verify_raid_bdev(struct rpc_construct_raid_bdev *r, bool presence, uint32_t raid
CU_ASSERT(pbdev->raid_level == r->raid_level);
CU_ASSERT(pbdev->destruct_called == false);
for (i = 0; i < pbdev->num_base_bdevs; i++) {
if (pbdev->base_bdev_info && pbdev->base_bdev_info[i].base_bdev) {
bdev = spdk_bdev_get_by_name(pbdev->base_bdev_info[i].base_bdev->name);
if (pbdev->base_bdev_info && pbdev->base_bdev_info[i].bdev) {
bdev = spdk_bdev_get_by_name(pbdev->base_bdev_info[i].bdev->name);
CU_ASSERT(bdev != NULL);
CU_ASSERT(pbdev->base_bdev_info[i].base_bdev_remove_scheduled == false);
CU_ASSERT(pbdev->base_bdev_info[i].remove_scheduled == false);
} else {
CU_ASSERT(0);
}