unix: uses an atomic type for scm files accounting
authorPaolo Abeni <pabeni@redhat.com>
Fri, 28 Feb 2020 13:45:21 +0000 (14:45 +0100)
committerDavid S. Miller <davem@davemloft.net>
Fri, 28 Feb 2020 20:12:53 +0000 (12:12 -0800)
commit7782040b950b5d0433f734fb2bba8b8b5ed6ce5a
tree70d2549b3467bf6ec5b3e96d7d679e111d1b984c
parente955376277839db92774ec24d559ab42442b95fc
unix: uses an atomic type for scm files accounting

So the scm_stat_{add,del} helper can be invoked with no
additional lock held.

This clean-up the code a bit and will make the next
patch easier.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Kirill Tkhai <ktkhai@virtuozzo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/net/af_unix.h
net/unix/af_unix.c