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Kernel/Devices: Introduce the LoopDevice device
This device is a block device that allows a user to effectively treat an Inode as a block device. The static construction method is given an OpenFileDescription reference but validates that: - The description has a valid custody (so it's not some arbitrary file). Failing this requirement will yield EINVAL. - The description custody points to an Inode which is a regular file, as we only support (seekable) regular files. Failing this requirement will yield ENOTSUP. LoopDevice can be used to mount a regular file on the filesystem like other supported types of (physical) block devices.
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12 changed files with 254 additions and 4 deletions
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@ -19,6 +19,7 @@ class Coredump;
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class Credentials;
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class Custody;
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class Device;
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class DeviceControlDevice;
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class DiskCache;
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class DoubleBuffer;
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class File;
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@ -36,6 +37,7 @@ class Jail;
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class KBuffer;
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class KString;
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class LocalSocket;
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class LoopDevice;
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class Mutex;
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class MasterPTY;
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class Mount;
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