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Kernel/SysFS: Silently ignore attempts to update SysFS timestamps

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We have to override Inode::update_timestamps() for SysFS inodes,
otherwise we'll get the default behavior of erroring with ENOTIMPL.
This commit is contained in:
Andreas Kling 2022-08-23 00:55:26 +02:00
parent ecf85875b5
commit 5307e1bf01
2 changed files with 6 additions and 0 deletions
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5
Kernel/FileSystem/SysFS.cpp
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@ -126,6 +126,11 @@ ErrorOr<void> SysFSInode::truncate(u64 size)
return m_associated_component->truncate(size); return m_associated_component->truncate(size);
} }
ErrorOr<void> SysFSInode::update_timestamps(Optional<time_t>, Optional<time_t>, Optional<time_t>)
{
return {};
}
ErrorOr<NonnullLockRefPtr<SysFSLinkInode>> SysFSLinkInode::try_create(SysFS const& sysfs, SysFSComponent const& component) ErrorOr<NonnullLockRefPtr<SysFSLinkInode>> SysFSLinkInode::try_create(SysFS const& sysfs, SysFSComponent const& component)
{ {
return adopt_nonnull_lock_ref_or_enomem(new (nothrow) SysFSLinkInode(sysfs, component)); return adopt_nonnull_lock_ref_or_enomem(new (nothrow) SysFSLinkInode(sysfs, component));

1
Kernel/FileSystem/SysFS.h
View file

@ -54,6 +54,7 @@ protected:
virtual ErrorOr<void> chmod(mode_t) override; virtual ErrorOr<void> chmod(mode_t) override;
virtual ErrorOr<void> chown(UserID, GroupID) override; virtual ErrorOr<void> chown(UserID, GroupID) override;
virtual ErrorOr<void> truncate(u64) override; virtual ErrorOr<void> truncate(u64) override;
virtual ErrorOr<void> update_timestamps(Optional<time_t> atime, Optional<time_t> ctime, Optional<time_t> mtime) override;
virtual ErrorOr<void> attach(OpenFileDescription& description) override final; virtual ErrorOr<void> attach(OpenFileDescription& description) override final;
virtual void did_seek(OpenFileDescription&, off_t) override final; virtual void did_seek(OpenFileDescription&, off_t) override final;