From 6dc94ef3ce5241fc2cd44492b49517c3b9b224d5 Mon Sep 17 00:00:00 2001
From: Jaroslav Kysela <perex@perex.cz>
Date: Wed, 14 May 2014 20:47:38 +0200
Subject: [PATCH] muxer: Use fdatasync() instead fsync() to reduce I/O

---
 src/muxer.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/muxer.c b/src/muxer.c
index 5b4aebab..d8d76e6b 100644
--- a/src/muxer.c
+++ b/src/muxer.c
@@ -452,10 +452,10 @@ muxer_cache_update(muxer_t *m, int fd, off_t pos, size_t size)
   case MC_CACHE_SYSTEM:
     break;
   case MC_CACHE_SYNC:
-    fsync(fd);
+    fdatasync(fd);
     break;
   case MC_CACHE_SYNCDONTKEEP:
-    fsync(fd);
+    fdatasync(fd);
     /* fall through */
   case MC_CACHE_DONTKEEP:
     posix_fadvise(fd, pos, size, POSIX_FADV_DONTNEED);