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Check for unsuccessful memory allocations

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This commit is contained in:
Vitaliy Filippov
2020-09-05 01:42:11 +03:00
parent 4f9b5286a0
commit e051db5a73
15 changed files with 124 additions and 71 deletions
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blockstore_flush.cpp
+3 -3
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@@ -10,7 +10,7 @@ journal_flusher_t::journal_flusher_t(int flusher_count, blockstore_impl_t *bs)
flusher_start_threshold = bs->journal_block_size / sizeof(journal_entry_stable);
journal_trim_interval = flusher_start_threshold;
journal_trim_counter = 0;
journal_superblock = bs->journal.inmemory ? bs->journal.buffer : memalign(MEM_ALIGNMENT, bs->journal_block_size);
journal_superblock = bs->journal.inmemory ? bs->journal.buffer : memalign_or_die(MEM_ALIGNMENT, bs->journal_block_size);
co = new journal_flusher_co[flusher_count];
for (int i = 0; i < flusher_count; i++)
{
@@ -548,7 +548,7 @@ bool journal_flusher_co::scan_dirty(int wait_base)
{
submit_offset = dirty_it->second.location + offset - dirty_it->second.offset;
submit_len = it == v.end() || it->offset >= end_offset ? end_offset-offset : it->offset-offset;
it = v.insert(it, (copy_buffer_t){ .offset = offset, .len = submit_len, .buf = memalign(MEM_ALIGNMENT, submit_len) });
it = v.insert(it, (copy_buffer_t){ .offset = offset, .len = submit_len, .buf = memalign_or_die(MEM_ALIGNMENT, submit_len) });
copy_count++;
if (bs->journal.inmemory)
{
@@ -633,7 +633,7 @@ bool journal_flusher_co::modify_meta_read(uint64_t meta_loc, flusher_meta_write_
if (wr.it == flusher->meta_sectors.end())
{
// Not in memory yet, read it
wr.buf = memalign(MEM_ALIGNMENT, bs->meta_block_size);
wr.buf = memalign_or_die(MEM_ALIGNMENT, bs->meta_block_size);
wr.it = flusher->meta_sectors.emplace(wr.sector, (meta_sector_t){
.offset = wr.sector,
.len = bs->meta_block_size,