Move c_src dirs back to toplevel

[bcachefs-tools-debian] / c_src / linux / ratelimit.c

diff --git a/c_src/linux/ratelimit.c b/c_src/linux/ratelimit.c
deleted file mode 100644 (file)
index 21a6d6c..0000000
--- a/c_src/linux/ratelimit.c
+++ /dev/null
@@ -1,69 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * ratelimit.c - Do something with rate limit.
- *
- * Isolated from kernel/printk.c by Dave Young <hidave.darkstar@gmail.com>
- *
- * 2008-05-01 rewrite the function and use a ratelimit_state data struct as
- * parameter. Now every user can use their own standalone ratelimit_state.
- */
-
-#include <linux/ratelimit.h>
-#include <linux/jiffies.h>
-#include <linux/export.h>
-
-/*
- * __ratelimit - rate limiting
- * @rs: ratelimit_state data
- * @func: name of calling function
- *
- * This enforces a rate limit: not more than @rs->burst callbacks
- * in every @rs->interval
- *
- * RETURNS:
- * 0 means callbacks will be suppressed.
- * 1 means go ahead and do it.
- */
-int ___ratelimit(struct ratelimit_state *rs, const char *func)
-{
-       int ret;
-
-       if (!rs->interval)
-               return 1;
-
-       /*
-        * If we contend on this state's lock then almost
-        * by definition we are too busy to print a message,
-        * in addition to the one that will be printed by
-        * the entity that is holding the lock already:
-        */
-       if (!raw_spin_trylock(&rs->lock))
-               return 0;
-
-       if (!rs->begin)
-               rs->begin = jiffies;
-
-       if (time_is_before_jiffies(rs->begin + rs->interval)) {
-               if (rs->missed) {
-                       if (!(rs->flags & RATELIMIT_MSG_ON_RELEASE)) {
-                               printk(KERN_WARNING
-                                      "%s: %d callbacks suppressed\n",
-                                      func, rs->missed);
-                               rs->missed = 0;
-                       }
-               }
-               rs->begin   = jiffies;
-               rs->printed = 0;
-       }
-       if (rs->burst && rs->burst > rs->printed) {
-               rs->printed++;
-               ret = 1;
-       } else {
-               rs->missed++;
-               ret = 0;
-       }
-       raw_spin_unlock(&rs->lock);
-
-       return ret;
-}
-EXPORT_SYMBOL(___ratelimit);