Deadlock with vmtoolsd, frozen filesystems and autofs

Issue

• System log reporting blocked tasks list this:

INFO: task rs:main Q:Reg:3335 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
rs:main Q:Reg D ffff810009004420     0  3335      1          3336  3334 (NOTLB)
 ffff81043161fce8 0000000000000086 ffff81043bd9d040 0000000000000000
 ffff81043c2bcb00 000000000000000a ffff81043bd9d040 ffffffff8031db60
 00025329f643f7ba 00000000000070db ffff81043bd9d228 00000000880317c5
Call Trace:
 [<ffffffff800164fc>] __generic_file_aio_write_nolock+0x11f/0x3b6
 [<ffffffff800a3ce0>] autoremove_wake_function+0x0/0x2e
 [<ffffffff80021e0d>] generic_file_aio_write+0x67/0xc3
 [<ffffffff8804c372>] :ext3:ext3_file_write+0x16/0x91
 [<ffffffff800183d1>] do_sync_write+0xc7/0x104
 [<ffffffff800a3ce0>] autoremove_wake_function+0x0/0x2e
 [<ffffffff80016b4e>] vfs_write+0xce/0x174
 [<ffffffff80017417>] sys_write+0x45/0x6e
 [<ffffffff8005d29e>] tracesys+0xd5/0xdf