From: Willem Jan Withagen <wjw@digiware.nl>
Date: Tue, 1 Jan 2019 17:00:22 +0000 (+0100)
Subject: bluestore: Only use WRITE_LIFE_ when available
X-Git-Tag: v14.1.0~517^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F25735%2Fhead;p=ceph.git

bluestore: Only use WRITE_LIFE_ when available

Signed-off-by: Willem Jan Withagen <wjw@digiware.nl>
---

diff --git a/src/os/bluestore/BlockDevice.h b/src/os/bluestore/BlockDevice.h
index da62e88bb3c0..ce818727de58 100644
--- a/src/os/bluestore/BlockDevice.h
+++ b/src/os/bluestore/BlockDevice.h
@@ -37,11 +37,11 @@
 #include "include/interval_set.h"
 #define SPDK_PREFIX "spdk:"
 
+#if defined(__linux__)
 #if !defined(F_SET_FILE_RW_HINT)
 #define F_LINUX_SPECIFIC_BASE 1024
 #define F_SET_FILE_RW_HINT         (F_LINUX_SPECIFIC_BASE + 14)
 #endif
-
 // These values match Linux definition
 // https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/include/uapi/linux/fcntl.h#n56
 #define  WRITE_LIFE_NOT_SET  	0 	// No hint information set
@@ -51,6 +51,17 @@
 #define  WRITE_LIFE_LONG  	4       // Data written has a long life time
 #define  WRITE_LIFE_EXTREME  	5     	// Data written has an extremely long life time
 #define  WRITE_LIFE_MAX  	6
+#else
+// On systems don't have WRITE_LIFE_* only use one FD 
+// And all files are created equal
+#define  WRITE_LIFE_NOT_SET  	0 	// No hint information set
+#define  WRITE_LIFE_NONE  	0       // No hints about write life time
+#define  WRITE_LIFE_SHORT  	0       // Data written has a short life time
+#define  WRITE_LIFE_MEDIUM  	0    	// Data written has a medium life time
+#define  WRITE_LIFE_LONG  	0       // Data written has a long life time
+#define  WRITE_LIFE_EXTREME  	0    	// Data written has an extremely long life time
+#define  WRITE_LIFE_MAX  	1
+#endif
 
 class CephContext;