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[PATCH] rcu file: use atomic primitives

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Use atomic_inc_not_zero for rcu files instead of special case rcuref.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: "Paul E. McKenney" <paulmck@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Nick Piggin
2006-01-08 01:02:19 -08:00
committed by Linus Torvalds
parent a57004e1af
commit 095975da26
9 changed files with 48 additions and 291 deletions
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2
security/selinux/hooks.c
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@@ -1663,7 +1663,7 @@ static inline void flush_unauthorized_files(struct files_struct * files)
continue;
}
if (devnull) {
rcuref_inc(&devnull->f_count);
get_file(devnull);
} else {
devnull = dentry_open(dget(selinux_null), mntget(selinuxfs_mount), O_RDWR);
if (!devnull) {