Documentation/filesystems/files.txt: remove rcuref_inc_lf() reverences
rcuref_inc_lf() is not used anymore. Replace it by atomic_inc_not_zero()
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
diff --git a/Documentation/filesystems/files.txt b/Documentation/filesystems/files.txt
index 133e213..bb0142f 100644
--- a/Documentation/filesystems/files.txt
+++ b/Documentation/filesystems/files.txt
@@ -76,13 +76,13 @@
5. Handling of the file structures is special. Since the look-up
of the fd (fget()/fget_light()) are lock-free, it is possible
that look-up may race with the last put() operation on the
- file structure. This is avoided using the rcuref APIs
+ file structure. This is avoided using atomic_inc_not_zero()
on ->f_count :
rcu_read_lock();
file = fcheck_files(files, fd);
if (file) {
- if (rcuref_inc_lf(&file->f_count))
+ if (atomic_inc_not_zero(&file->f_count))
*fput_needed = 1;
else
/* Didn't get the reference, someone's freed */
@@ -92,7 +92,7 @@
....
return file;
- rcuref_inc_lf() detects if refcounts is already zero or
+ atomic_inc_not_zero() detects if refcounts is already zero or
goes to zero during increment. If it does, we fail
fget()/fget_light().
