X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=hash.h;h=f7596a56367572b2852d049144103979ead08eea;hb=7ddc4ed1ce94639e3306f980a7c651da3dd81c1d;hp=66dd3d6916ea5b1386948c2d2a661d8bce59abf9;hpb=2401022342f650ac7d845a14c7b9bf1cd87cead6;p=fio.git

diff --git a/hash.h b/hash.h
index 66dd3d69..f7596a56 100644
--- a/hash.h
+++ b/hash.h
@@ -3,6 +3,7 @@
 
 #include <inttypes.h>
 #include "arch/arch.h"
+#include "compiler/compiler.h"
 
 /* Fast hashing routine for a long.
    (C) 2002 William Lee Irwin III, IBM */
@@ -141,19 +142,20 @@ static inline uint32_t jhash(const void *key, uint32_t length, uint32_t initval)
 	/* Last block: affect all 32 bits of (c) */
 	/* All the case statements fall through */
 	switch (length) {
-	case 12: c += (uint32_t) k[11] << 24;	/* fall through */
-	case 11: c += (uint32_t) k[10] << 16;	/* fall through */
-	case 10: c += (uint32_t) k[9] << 8;	/* fall through */
-	case 9:  c += k[8];			/* fall through */
-	case 8:  b += (uint32_t) k[7] << 24;	/* fall through */
-	case 7:  b += (uint32_t) k[6] << 16;	/* fall through */
-	case 6:  b += (uint32_t) k[5] << 8;	/* fall through */
-	case 5:  b += k[4];			/* fall through */
-	case 4:  a += (uint32_t) k[3] << 24;	/* fall through */
-	case 3:  a += (uint32_t) k[2] << 16;	/* fall through */
-	case 2:  a += (uint32_t) k[1] << 8;	/* fall through */
+	case 12: c += (uint32_t) k[11] << 24;	fio_fallthrough;
+	case 11: c += (uint32_t) k[10] << 16;	fio_fallthrough;
+	case 10: c += (uint32_t) k[9] << 8;	fio_fallthrough;
+	case 9:  c += k[8];			fio_fallthrough;
+	case 8:  b += (uint32_t) k[7] << 24;	fio_fallthrough;
+	case 7:  b += (uint32_t) k[6] << 16;	fio_fallthrough;
+	case 6:  b += (uint32_t) k[5] << 8;	fio_fallthrough;
+	case 5:  b += k[4];			fio_fallthrough;
+	case 4:  a += (uint32_t) k[3] << 24;	fio_fallthrough;
+	case 3:  a += (uint32_t) k[2] << 16;	fio_fallthrough;
+	case 2:  a += (uint32_t) k[1] << 8;	fio_fallthrough;
 	case 1:  a += k[0];
 		 __jhash_final(a, b, c);
+		 fio_fallthrough;
 	case 0: /* Nothing left to add */
 		break;
 	}