open("/usr/local/etc/cachesys/cache.reg", O_RDONLY|O_NONBLOCK) = 3
fcntl(3, F_SETLKW, {type=F_RDLCK, whence=SEEK_SET, start=0, len=0}) = -1 ENOLCK (No locks available)
When I put their files on an ordinary ext3 filesystem, all works fine:
open("/usr/local/etc/cachesys/cache.reg", O_RDONLY|O_NONBLOCK) = 3
fcntl(3, F_SETLKW, {type=F_RDLCK, whence=SEEK_SET, start=0, len=0}) = 0
The man page on fcntl states that when flock is setup with whence=SEEK_SET, start=0, and len=0, the lock will occur on the entire file... so locking zero bytes in this manner is acceptable. Help?
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