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Kernel+Userland: Support remounting filesystems :^)
This makes it possible to change flags of a mount after the fact, with the caveats outlined in the man page.
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3847d00727
Notes:
sideshowbarker
2024-07-19 06:00:22 +09:00
Author: https://github.com/bugaevc
Commit: 3847d00727
Pull-request: https://github.com/SerenityOS/serenity/pull/2430
Reviewed-by: https://github.com/alimpfard
8 changed files with 58 additions and 0 deletions
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@ -91,6 +91,20 @@ KResult VFS::bind_mount(Custody& source, Custody& mount_point, int flags)
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return KSuccess;
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}
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KResult VFS::remount(Custody& mount_point, int new_flags)
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{
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LOCKER(m_lock);
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dbg() << "VFS: Remounting " << mount_point.absolute_path();
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Mount* mount = find_mount_for_guest(mount_point.inode().identifier());
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if (!mount)
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return KResult(-ENODEV);
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mount->set_flags(new_flags);
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return KSuccess;
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}
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KResult VFS::unmount(InodeIdentifier guest_inode_id)
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{
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LOCKER(m_lock);
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