tree b261fd36e7a4f642223668596c85da62b60729a4
parent 4f8f9d66cdac4845409f7520e4f287a1907a6bf9
author Sukadev Bhattiprolu <sukadev@us.ibm.com> 1209542061 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1209569388 -0700

devpts: factor out PTY index allocation

Factor out the code used to allocate/free a pts index into new interfaces,
devpts_new_index() and devpts_kill_index().  This localizes the external data
structures used in managing the pts indices.

[akpm@linux-foundation.org: undo accidental mutex2sem conversion]
Signed-off-by: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Signed-off-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: Matt Helsley <matthltc@us.ibm.com>
Acked-by: H. Peter Anvin <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>