0e41ee0b83
The thin_provision member of struct spdk_lvol is set but never used. When needed, an lvol's thin provision state is obtained by looking at the lvol's blob. This removes the unused thin_provision member. Signed-off-by: Mike Gerdts <mgerdts@nvidia.com> Change-Id: I5a2048b5334a26772a25a0bd238e42d3aeb63b49 Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/17173 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> Community-CI: Mellanox Build Bot
108 lines
2.7 KiB
C
108 lines
2.7 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright (C) 2017 Intel Corporation.
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* All rights reserved.
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*/
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#ifndef SPDK_INTERNAL_LVOLSTORE_H
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#define SPDK_INTERNAL_LVOLSTORE_H
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#include "spdk/blob.h"
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#include "spdk/lvol.h"
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#include "spdk/queue.h"
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#include "spdk/uuid.h"
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/* Default size of blobstore cluster */
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#define SPDK_LVS_OPTS_CLUSTER_SZ (4 * 1024 * 1024)
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/* UUID + '_' + blobid (20 characters for uint64_t).
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* Null terminator is already included in SPDK_UUID_STRING_LEN. */
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#define SPDK_LVOL_UNIQUE_ID_MAX (SPDK_UUID_STRING_LEN + 1 + 20)
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struct spdk_lvs_req {
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spdk_lvs_op_complete cb_fn;
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void *cb_arg;
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struct spdk_lvol_store *lvol_store;
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int lvserrno;
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};
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struct spdk_lvs_grow_req {
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struct spdk_lvs_req base;
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spdk_lvs_op_complete cb_fn;
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void *cb_arg;
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struct lvol_store_bdev *lvs_bdev;
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int lvol_cnt;
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};
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struct spdk_lvol_req {
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spdk_lvol_op_complete cb_fn;
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void *cb_arg;
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struct spdk_lvol *lvol;
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size_t sz;
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struct spdk_io_channel *channel;
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char name[SPDK_LVOL_NAME_MAX];
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};
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struct spdk_lvs_with_handle_req {
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spdk_lvs_op_with_handle_complete cb_fn;
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void *cb_arg;
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struct spdk_lvol_store *lvol_store;
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struct spdk_bs_dev *bs_dev;
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struct spdk_bdev *base_bdev;
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int lvserrno;
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};
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struct spdk_lvs_destroy_req {
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spdk_lvs_op_complete cb_fn;
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void *cb_arg;
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struct spdk_lvol_store *lvs;
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};
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struct spdk_lvol_with_handle_req {
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spdk_lvol_op_with_handle_complete cb_fn;
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void *cb_arg;
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struct spdk_lvol *lvol;
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};
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struct spdk_lvol_store {
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struct spdk_bs_dev *bs_dev;
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struct spdk_blob_store *blobstore;
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struct spdk_blob *super_blob;
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spdk_blob_id super_blob_id;
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struct spdk_uuid uuid;
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int lvol_count;
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int lvols_opened;
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TAILQ_HEAD(, spdk_lvol) lvols;
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TAILQ_HEAD(, spdk_lvol) pending_lvols;
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TAILQ_HEAD(, spdk_lvol) retry_open_lvols;
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bool on_list;
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TAILQ_ENTRY(spdk_lvol_store) link;
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char name[SPDK_LVS_NAME_MAX];
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char new_name[SPDK_LVS_NAME_MAX];
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};
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struct spdk_lvol {
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struct spdk_lvol_store *lvol_store;
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struct spdk_blob *blob;
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spdk_blob_id blob_id;
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char unique_id[SPDK_LVOL_UNIQUE_ID_MAX];
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char name[SPDK_LVOL_NAME_MAX];
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struct spdk_uuid uuid;
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char uuid_str[SPDK_UUID_STRING_LEN];
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struct spdk_bdev *bdev;
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int ref_count;
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bool action_in_progress;
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enum blob_clear_method clear_method;
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TAILQ_ENTRY(spdk_lvol) link;
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};
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struct lvol_store_bdev *vbdev_lvol_store_first(void);
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struct lvol_store_bdev *vbdev_lvol_store_next(struct lvol_store_bdev *prev);
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void spdk_lvol_resize(struct spdk_lvol *lvol, uint64_t sz, spdk_lvol_op_complete cb_fn,
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void *cb_arg);
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void spdk_lvol_set_read_only(struct spdk_lvol *lvol, spdk_lvol_op_complete cb_fn,
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void *cb_arg);
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#endif /* SPDK_INTERNAL_LVOLSTORE_H */
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