I wonder if this is the inode semaphore the configure test was (incompletely) added for in 1.3.81, maybe...
The inotify stuff does not appear in stock 2.6.11.6 or 2.6.11.7. It does appear in genpatches-2.6-11.09-extras.tar.bz2 (4800_inotify-0.22-2.patch)
p7swa2RCGphPo.p7s
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