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This commit is contained in:
Vitaliy Filippov
2025-12-02 01:52:12 +03:00
parent 8f92979a18
commit 852734270e
7 changed files with 90 additions and 119 deletions
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src/disk_tool/disk_tool_resize.cpp
+8 -15
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@@ -733,25 +733,18 @@ int disk_tool_t::resize_write_new_meta()
{
assert(new_heap);
uint32_t new_meta_blocks = new_meta_len / dsk.meta_block_size - 1;
uint8_t *zero_block = (uint8_t*)memalign_or_die(MEM_ALIGNMENT, dsk.meta_block_size);
memset(zero_block, 0, dsk.meta_block_size);
std::vector<iovec> iov;
iov.reserve(IOV_MAX);
iov.push_back((iovec){ .iov_base = new_meta_hdr, .iov_len = dsk.meta_block_size });
for (uint32_t i = 0; i < new_meta_blocks; i++)
const uint32_t nb = 1024;
uint8_t *data = (uint8_t*)memalign_or_die(MEM_ALIGNMENT, dsk.meta_block_size*nb);
write_blocking(new_meta_fd, new_meta_hdr, dsk.meta_block_size);
for (uint32_t i = 0; i < new_meta_blocks; )
{
uint8_t *data = new_heap->get_meta_block(i);
iov.push_back((iovec){ .iov_base = data ? data : zero_block, .iov_len = dsk.meta_block_size });
if (iov.size() >= IOV_MAX)
uint32_t j = 0;
for (j = 0; j < nb && i < new_meta_blocks; j++, i++)
{
writev_blocking(new_meta_fd, iov.data(), iov.size());
iov.clear();
new_heap->get_meta_block(i, data + j*dsk.meta_block_size);
}
write_blocking(new_meta_fd, data, j*dsk.meta_block_size);
}
if (iov.size() > 0)
writev_blocking(new_meta_fd, iov.data(), iov.size());
free(zero_block);
zero_block = NULL;
}
fsync(new_meta_fd);
close(new_meta_fd);