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blob: add forced recovery

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Add the ability to open a blobstore in such a way that recovery happens
even if the superblock says it is clean.

Signed-off-by: Mike Gerdts <mgerdts@nvidia.com>
Change-Id: I475e51beff24428d387446f7785e025294d2f014
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/11253
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
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>
This commit is contained in:
Mike Gerdts 2021-11-18 16:44:51 +00:00 committed by Jim Harris
parent 893ad78814
commit a6c5feb0a2
2 changed files with 11 additions and 2 deletions
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4
include/spdk/blob.h
View File

@ -3,6 +3,7 @@
*
* Copyright (c) Intel Corporation.
* All rights reserved.
* Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@ -233,6 +234,9 @@ struct spdk_bs_opts {
* After that, new added fields should be put in the end of the struct.
*/
size_t opts_size;
/** Force recovery during import. This is a uint64_t for padding reasons, treated as a bool. */
uint64_t force_recover;
};
/**

9
lib/blob/blobstore.c
View File

@ -3260,6 +3260,7 @@ spdk_bs_opts_init(struct spdk_bs_opts *opts, size_t opts_size)
SET_FIELD(iter_cb_fn, NULL);
SET_FIELD(iter_cb_arg, NULL);
SET_FIELD(force_recover, false);
#undef FIELD_OK
#undef SET_FIELD
@ -3302,6 +3303,8 @@ struct spdk_bs_load_ctx {
struct spdk_blob *blob;
spdk_blob_id blobid;
bool force_recover;
/* These fields are used in the spdk_bs_dump path. */
bool dumping;
FILE *fp;
@ -3345,6 +3348,7 @@ bs_alloc(struct spdk_bs_dev *dev, struct spdk_bs_opts *opts, struct spdk_blob_st
ctx->bs = bs;
ctx->iter_cb_fn = opts->iter_cb_fn;
ctx->iter_cb_arg = opts->iter_cb_arg;
ctx->force_recover = opts->force_recover;
ctx->super = spdk_zmalloc(sizeof(*ctx->super), 0x1000, NULL,
SPDK_ENV_SOCKET_ID_ANY, SPDK_MALLOC_DMA);
@ -4414,7 +4418,7 @@ bs_load_super_cpl(spdk_bs_sequence_t *seq, void *cb_arg, int bserrno)
return;
}
if (ctx->super->used_blobid_mask_len == 0 || ctx->super->clean == 0) {
if (ctx->super->used_blobid_mask_len == 0 || ctx->super->clean == 0 || ctx->force_recover) {
bs_recover(ctx);
} else {
bs_load_read_used_pages(ctx);
@ -4449,12 +4453,13 @@ bs_opts_copy(struct spdk_bs_opts *src, struct spdk_bs_opts *dst)
}
SET_FIELD(iter_cb_fn);
SET_FIELD(iter_cb_arg);
SET_FIELD(force_recover);
dst->opts_size = src->opts_size;
/* You should not remove this statement, but need to update the assert statement
* if you add a new field, and also add a corresponding SET_FIELD statement */
SPDK_STATIC_ASSERT(sizeof(struct spdk_bs_opts) == 64, "Incorrect size");
SPDK_STATIC_ASSERT(sizeof(struct spdk_bs_opts) == 72, "Incorrect size");
#undef FIELD_OK
#undef SET_FIELD