From 6624768c9c39ab409edebe07cb06ecd93cc6f3ed Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Sun, 26 Sep 2010 15:50:14 +0200
Subject: readahead: add interface to sd-daemon.[ch] to control readahead

---
 src/sd-daemon.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/sd-daemon.h')

diff --git a/src/sd-daemon.h b/src/sd-daemon.h
index 008a44c1d2..2fbfe955ce 100644
--- a/src/sd-daemon.h
+++ b/src/sd-daemon.h
@@ -254,6 +254,16 @@ int sd_notifyf(int unset_environment, const char *format, ...) _sd_printf_attr_(
 */
 int sd_booted(void) _sd_hidden_;
 
+/*
+  Controls ongoing disk read-ahead operations during boot-up. The argument
+  must be a string, and either "cancel", "done" or "noreplay".
+
+  cancel = terminate read-ahead data collection, drop collected information
+  done = terminate read-ahead data collection, keep collected information
+  noreplay = terminate read-ahead replay
+*/
+int sd_readahead(const char *action);
+
 #ifdef __cplusplus
 }
 #endif
-- 
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