Sinipelto
/
banan-os
forked from Bananymous/banan-os
1
0
Fork 0
Code Pull Requests Activity

Kernel: DiskCache will try to shrink_to_fit after cache cleanup

This commit is contained in:
Bananymous 2023-06-03 02:37:37 +03:00
parent 884d986bd6
commit 0166af472b
1 changed files with 9 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
kernel/kernel/Storage/DiskCache.cpp
View File

@ -66,6 +66,7 @@ namespace Kernel
cache_block.sectors[0].dirty = false; cache_block.sectors[0].dirty = false;
return {}; return {};
} }
m_cache.pop_back();
} }
// We could not cache the sector // We could not cache the sector
@ -119,6 +120,7 @@ namespace Kernel
cache_block.sectors[0].dirty = true; cache_block.sectors[0].dirty = true;
return {}; return {};
} }
m_cache.pop_back();
} }
// We could not allocate cache, so we must sync it to disk // We could not allocate cache, so we must sync it to disk
@ -152,6 +154,8 @@ namespace Kernel
released++; released++;
} }
(void)m_cache.shrink_to_fit();
return released; return released;
} }
@ -176,6 +180,8 @@ namespace Kernel
released++; released++;
} }
(void)m_cache.shrink_to_fit();
return released; return released;
} }
@ -189,15 +195,14 @@ namespace Kernel
uint8_t* temp_buffer = (uint8_t*)kmalloc(m_device.sector_size()); uint8_t* temp_buffer = (uint8_t*)kmalloc(m_device.sector_size());
ASSERT(temp_buffer); ASSERT(temp_buffer);
while (!m_cache.empty()) for (auto& cache_block : m_cache)
{ {
auto& cache_block = m_cache.back();
cache_block.sync(m_device); cache_block.sync(m_device);
Heap::get().release_page(cache_block.paddr); Heap::get().release_page(cache_block.paddr);
m_cache.pop_back();
}
} }
m_cache.clear();
}
void DiskCache::CacheBlock::sync(StorageDevice& device) void DiskCache::CacheBlock::sync(StorageDevice& device)
{ {