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Kernel: Make KBuffer::try_create_with_size() return KResultOr

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This allows us to use TRY() in a lot of new places.
This commit is contained in:
Andreas Kling
2021-09-07 15:15:08 +02:00
parent c69035c630
commit 899cee8185
10 changed files with 31 additions and 72 deletions
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15
Kernel/FileSystem/BlockBasedFileSystem.cpp
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@@ -117,22 +117,13 @@ BlockBasedFileSystem::~BlockBasedFileSystem()
KResult BlockBasedFileSystem::initialize()
{
VERIFY(block_size() != 0);
auto cached_block_data = KBuffer::try_create_with_size(DiskCache::EntryCount * block_size());
if (!cached_block_data)
return ENOMEM;
auto entries_data = KBuffer::try_create_with_size(DiskCache::EntryCount * sizeof(CacheEntry));
if (!entries_data)
return ENOMEM;
auto disk_cache = adopt_own_if_nonnull(new (nothrow) DiskCache(*this, cached_block_data.release_nonnull(), entries_data.release_nonnull()));
if (!disk_cache)
return ENOMEM;
auto cached_block_data = TRY(KBuffer::try_create_with_size(DiskCache::EntryCount * block_size()));
auto entries_data = TRY(KBuffer::try_create_with_size(DiskCache::EntryCount * sizeof(CacheEntry)));
auto disk_cache = TRY(adopt_nonnull_own_or_enomem(new (nothrow) DiskCache(*this, move(cached_block_data), move(entries_data))));
m_cache.with_exclusive([&](auto& cache) {
cache = move(disk_cache);
});
return KSuccess;
}