fix f_count description in Documentation/filesystems/files.txt

Documentation/filesystems/files.txt was not updated when
f_count became an atomic_long_t.
atomic_long_inc_not_zero() is now used instead of atomic_inc_not_zero()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/Documentation/filesystems/files.txt b/Documentation/filesystems/files.txt
index bb0142f6108458f6ccd27b90e965a6bdf820e501..ac2facc50d2a2b2914d10a3268c3ae375ae57d6c 100644 (file)
--- a/Documentation/filesystems/files.txt
+++ b/Documentation/filesystems/files.txt
@@ -76,13 +76,13 @@ the fdtable structure -
 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 atomic_inc_not_zero()
+   file structure. This is avoided using atomic_long_inc_not_zero()
    on ->f_count :
 
        rcu_read_lock();
        file = fcheck_files(files, fd);
        if (file) {
-               if (atomic_inc_not_zero(&file->f_count))
+               if (atomic_long_inc_not_zero(&file->f_count))
                        *fput_needed = 1;
                else
                /* Didn't get the reference, someone's freed */
@@ -92,7 +92,7 @@ the fdtable structure -
        ....
        return file;
 
-   atomic_inc_not_zero() detects if refcounts is already zero or
+   atomic_long_inc_not_zero() detects if refcounts is already zero or
    goes to zero during increment. If it does, we fail
    fget()/fget_light().