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From: mb@ttidca.TTI.COM (Michael Bloom)
Newsgroups: comp.unix.wizards
Subject: Why is there an exclusive lock *count* ???
Message-ID: <3775@ttidca.TTI.COM>
Date: 30 Jan 89 14:24:38 GMT
Reply-To: mb@ttidca.tti.com (Michael Bloom)
Organization: Citicorp/TTI, Santa Monica
Lines: 6

When adding the BSD flock call to my System V kernel, I was surprised
to see that a count of exclusive locks is kept in the inode's i_exlockc
field.

Why bother to do this? Isn't the IEXLOCK flag bit sufficient since there
can only be one exclusive lock at any one time?  Am I missing something?