gofer: Flush lisafs FDs on inode destruction in shared interop mode. #12214
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When the gofer filesystem is in `InteropModeShared`, immediately flush the `Close` RPC for inode FDs upon inode destruction. This prevents caching of file descriptors on the server, which could block external processes from unmounting or releasing disk space. The existing behavior of flushing for deleted regular files is preserved. PiperOrigin-RevId: 818510372
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gofer: Flush lisafs FDs on inode destruction in shared interop mode.
When the gofer filesystem is in
InteropModeShared, immediately flush theCloseRPC for inode FDs upon inode destruction. This prevents caching of filedescriptors on the server, which could block external processes from unmounting
or releasing disk space. The existing behavior of flushing for deleted regular
files is preserved.