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lib/blob: move sequential extent page write to the caller

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This will help with making the _spdk_blob_persist_write_extent_pages()
batch all writes of extent pages.

No functional change occurs with this patch, this is just refactor
for future change.

Signed-off-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Change-Id: I8c93b1d6473db660f7ad5e04c8ec9f3331b2055c
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/986
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
This commit is contained in:
Tomasz Zawadzki 2020-02-21 04:57:32 -05:00
parent 28a44891f1
commit c65b591b7d
1 changed files with 15 additions and 28 deletions
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43
lib/blob/blobstore.c
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@ -1963,33 +1963,6 @@ _spdk_blob_persist_generate_new_md(struct spdk_blob_persist_ctx *ctx)
_spdk_blob_persist_write_page_chain(seq, ctx, 0);
}
static void _spdk_blob_persist_write_extent_pages(spdk_bs_sequence_t *seq, void *cb_arg,
int bserrno);
static void
_spdk_blob_persist_write_extent_page(uint32_t extent, uint64_t cluster_num,
struct spdk_blob_persist_ctx *ctx)
{
spdk_bs_sequence_t *seq = ctx->seq;
uint32_t page_count = 0;
struct spdk_blob *blob = ctx->blob;
int rc;
rc = _spdk_blob_serialize_add_page(blob, &ctx->extent_page, &page_count, &ctx->extent_page);
if (rc < 0) {
assert(false);
return;
}
_spdk_blob_serialize_extent_page(blob, cluster_num, ctx->extent_page);
ctx->extent_page->crc = _spdk_blob_md_page_calc_crc(ctx->extent_page);
spdk_bs_sequence_write_dev(seq, ctx->extent_page, _spdk_bs_md_page_to_lba(blob->bs, extent),
_spdk_bs_byte_to_lba(blob->bs, SPDK_BS_PAGE_SIZE),
_spdk_blob_persist_write_extent_pages, ctx);
}
static void
_spdk_blob_persist_write_extent_pages(spdk_bs_sequence_t *seq, void *cb_arg, int bserrno)
{
@ -1997,6 +1970,8 @@ _spdk_blob_persist_write_extent_pages(spdk_bs_sequence_t *seq, void *cb_arg, int
struct spdk_blob *blob = ctx->blob;
size_t i;
uint32_t extent_page_id;
uint32_t page_count = 0;
int rc;
if (ctx->extent_page != NULL) {
spdk_free(ctx->extent_page);
@ -2017,7 +1992,19 @@ _spdk_blob_persist_write_extent_pages(spdk_bs_sequence_t *seq, void *cb_arg, int
blob->state = SPDK_BLOB_STATE_DIRTY;
assert(spdk_bit_array_get(blob->bs->used_md_pages, extent_page_id));
ctx->next_extent_page = i + 1;
_spdk_blob_persist_write_extent_page(extent_page_id, i * SPDK_EXTENTS_PER_EP, ctx);
rc = _spdk_blob_serialize_add_page(ctx->blob, &ctx->extent_page, &page_count, &ctx->extent_page);
if (rc < 0) {
assert(false);
return;
}
_spdk_blob_serialize_extent_page(blob, i * SPDK_EXTENTS_PER_EP, ctx->extent_page);
ctx->extent_page->crc = _spdk_blob_md_page_calc_crc(ctx->extent_page);
spdk_bs_sequence_write_dev(seq, ctx->extent_page, _spdk_bs_md_page_to_lba(blob->bs, extent_page_id),
_spdk_bs_byte_to_lba(blob->bs, SPDK_BS_PAGE_SIZE),
_spdk_blob_persist_write_extent_pages, ctx);
return;
}
assert(blob->clean.extent_pages[i] != 0);