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Kernel: Allow SysFS components to have non-zero size

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This is important for dmidecode because it does an fstat on the DMI
blobs, trying to figure out their size. Because we already know the size
of the blobs when creating the SysFS components, there's no performance
penalty whatsoever, and this allows dmidecode to not use the /dev/mem
device as a fallback.
This commit is contained in:
Liav A 2022-04-01 11:18:38 +03:00 • committed by Andreas Kling
parent 66ff60db07
commit ae2ec45e78
Notes: sideshowbarker 2024-07-17 16:22:19 +09:00
3 changed files with 7 additions and 1 deletions
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2
Kernel/FileSystem/SysFS.cpp
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@ -137,7 +137,7 @@ InodeMetadata SysFSInode::metadata() const
metadata.mode = S_IFREG | m_associated_component->permissions();
metadata.uid = 0;
metadata.gid = 0;
metadata.size = 0;
metadata.size = m_associated_component->size();
metadata.mtime = mepoch;
return metadata;
}