xfs: test the ascii case-insensitive hash

Now that we've made kernel and userspace use the same tolower code for
computing directory index hashes, add that to the selftest code.
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>

fs/xfs/xfs_dahash_test.c

@@ -9,6 +9,9 @@
 #include "xfs_format.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
+#include "xfs_trans_resv.h"
+#include "xfs_mount.h"
+#include "xfs_dir2_priv.h"
 #include "xfs_dahash_test.h"
 
 /* 4096 random bytes */
@@ -533,108 +536,109 @@ static struct dahash_test {
 	uint16_t	start;	/* random 12 bit offset in buf */
 	uint16_t	length;	/* random 8 bit length of test */
 	xfs_dahash_t	dahash;	/* expected dahash result */
+	xfs_dahash_t	ascii_ci_dahash; /* expected ascii-ci dahash result */
 } test[] __initdata =
 {
-	{0x0567, 0x0097, 0x96951389},
-	{0x0869, 0x0055, 0x6455ab4f},
-	{0x0c51, 0x00be, 0x8663afde},
-	{0x044a, 0x00fc, 0x98fbe432},
-	{0x0f29, 0x0079, 0x42371997},
-	{0x08ba, 0x0052, 0x942be4f7},
-	{0x01f2, 0x0013, 0x5262687e},
-	{0x09e3, 0x00e2, 0x8ffb0908},
-	{0x007c, 0x0051, 0xb3158491},
-	{0x0854, 0x001f, 0x83bb20d9},
-	{0x031b, 0x0008, 0x98970bdf},
-	{0x0de7, 0x0027, 0xbfbf6f6c},
-	{0x0f76, 0x0005, 0x906a7105},
-	{0x092e, 0x00d0, 0x86631850},
-	{0x0233, 0x0082, 0xdbdd914e},
-	{0x04c9, 0x0075, 0x5a400a9e},
-	{0x0b66, 0x0099, 0xae128b45},
-	{0x000d, 0x00ed, 0xe61c216a},
-	{0x0a31, 0x003d, 0xf69663b9},
-	{0x00a3, 0x0052, 0x643c39ae},
-	{0x0125, 0x00d5, 0x7c310b0d},
-	{0x0105, 0x004a, 0x06a77e74},
-	{0x0858, 0x008e, 0x265bc739},
-	{0x045e, 0x0095, 0x13d6b192},
-	{0x0dab, 0x003c, 0xc4498704},
-	{0x00cd, 0x00b5, 0x802a4e2d},
-	{0x069b, 0x008c, 0x5df60f71},
-	{0x0454, 0x006c, 0x5f03d8bb},
-	{0x040e, 0x0032, 0x0ce513b5},
-	{0x0874, 0x00e2, 0x6a811fb3},
-	{0x0521, 0x00b4, 0x93296833},
-	{0x0ddc, 0x00cf, 0xf9305338},
-	{0x0a70, 0x0023, 0x239549ea},
-	{0x083e, 0x0027, 0x2d88ba97},
-	{0x0241, 0x00a7, 0xfe0b32e1},
-	{0x0dfc, 0x0096, 0x1a11e815},
-	{0x023e, 0x001e, 0xebc9a1f3},
-	{0x067e, 0x0066, 0xb1067f81},
-	{0x09ea, 0x000e, 0x46fd7247},
-	{0x036b, 0x008c, 0x1a39acdf},
-	{0x078f, 0x0030, 0x964042ab},
-	{0x085c, 0x008f, 0x1829edab},
-	{0x02ec, 0x009f, 0x6aefa72d},
-	{0x043b, 0x00ce, 0x65642ff5},
-	{0x0a32, 0x00b8, 0xbd82759e},
-	{0x0d3c, 0x0087, 0xf4d66d54},
-	{0x09ec, 0x008a, 0x06bfa1ff},
-	{0x0902, 0x0015, 0x755025d2},
-	{0x08fe, 0x000e, 0xf690ce2d},
-	{0x00fb, 0x00dc, 0xe55f1528},
-	{0x0eaa, 0x003a, 0x0fe0a8d7},
-	{0x05fb, 0x0006, 0x86281cfb},
-	{0x0dd1, 0x00a7, 0x60ab51b4},
-	{0x0005, 0x001b, 0xf51d969b},
-	{0x077c, 0x00dd, 0xc2fed268},
-	{0x0575, 0x00f5, 0x432c0b1a},
-	{0x05be, 0x0088, 0x78baa04b},
-	{0x0c89, 0x0068, 0xeda9e428},
-	{0x0f5c, 0x0068, 0xec143c76},
-	{0x06a8, 0x0009, 0xd72651ce},
-	{0x060f, 0x008e, 0x765426cd},
-	{0x07b1, 0x0047, 0x2cfcfa0c},
-	{0x04f1, 0x0041, 0x55b172f9},
-	{0x0e05, 0x00ac, 0x61efde93},
-	{0x0bf7, 0x0097, 0x05b83eee},
-	{0x04e9, 0x00f3, 0x9928223a},
-	{0x023a, 0x0005, 0xdfada9bc},
-	{0x0acb, 0x000e, 0x2217cecd},
-	{0x0148, 0x0060, 0xbc3f7405},
-	{0x0764, 0x0059, 0xcbc201b1},
-	{0x021f, 0x0059, 0x5d6b2256},
-	{0x0f1e, 0x006c, 0xdefeeb45},
-	{0x071c, 0x00b9, 0xb9b59309},
-	{0x0564, 0x0063, 0xae064271},
-	{0x0b14, 0x0044, 0xdb867d9b},
-	{0x0e5a, 0x0055, 0xff06b685},
-	{0x015e, 0x00ba, 0x1115ccbc},
-	{0x0379, 0x00e6, 0x5f4e58dd},
-	{0x013b, 0x0067, 0x4897427e},
-	{0x0e64, 0x0071, 0x7af2b7a4},
-	{0x0a11, 0x0050, 0x92105726},
-	{0x0109, 0x0055, 0xd0d000f9},
-	{0x00aa, 0x0022, 0x815d229d},
-	{0x09ac, 0x004f, 0x02f9d985},
-	{0x0e1b, 0x00ce, 0x5cf92ab4},
-	{0x08af, 0x00d8, 0x17ca72d1},
-	{0x0e33, 0x000a, 0xda2dba6b},
-	{0x0ee3, 0x006a, 0xb00048e5},
-	{0x0648, 0x001a, 0x2364b8cb},
-	{0x0315, 0x0085, 0x0596fd0d},
-	{0x0fbb, 0x003e, 0x298230ca},
-	{0x0422, 0x006a, 0x78ada4ab},
-	{0x04ba, 0x0073, 0xced1fbc2},
-	{0x007d, 0x0061, 0x4b7ff236},
-	{0x070b, 0x00d0, 0x261cf0ae},
-	{0x0c1a, 0x0035, 0x8be92ee2},
-	{0x0af8, 0x0063, 0x824dcf03},
-	{0x08f8, 0x006d, 0xd289710c},
-	{0x021b, 0x00ee, 0x6ac1c41d},
-	{0x05b5, 0x00da, 0x8e52f0e2},
+	{0x0567, 0x0097, 0x96951389, 0xc153aa0d},
+	{0x0869, 0x0055, 0x6455ab4f, 0xd07f69bf},
+	{0x0c51, 0x00be, 0x8663afde, 0xf9add90c},
+	{0x044a, 0x00fc, 0x98fbe432, 0xbf2abb76},
+	{0x0f29, 0x0079, 0x42371997, 0x282588b3},
+	{0x08ba, 0x0052, 0x942be4f7, 0x2e023547},
+	{0x01f2, 0x0013, 0x5262687e, 0x5266287e},
+	{0x09e3, 0x00e2, 0x8ffb0908, 0x1da892f3},
+	{0x007c, 0x0051, 0xb3158491, 0xb67f9e63},
+	{0x0854, 0x001f, 0x83bb20d9, 0x22bb21db},
+	{0x031b, 0x0008, 0x98970bdf, 0x9cd70adf},
+	{0x0de7, 0x0027, 0xbfbf6f6c, 0xae3f296c},
+	{0x0f76, 0x0005, 0x906a7105, 0x906a7105},
+	{0x092e, 0x00d0, 0x86631850, 0xa3f6ac04},
+	{0x0233, 0x0082, 0xdbdd914e, 0x5d8c7aac},
+	{0x04c9, 0x0075, 0x5a400a9e, 0x12f60711},
+	{0x0b66, 0x0099, 0xae128b45, 0x7551310d},
+	{0x000d, 0x00ed, 0xe61c216a, 0xc22d3c4c},
+	{0x0a31, 0x003d, 0xf69663b9, 0x51960bf8},
+	{0x00a3, 0x0052, 0x643c39ae, 0xa93c73a8},
+	{0x0125, 0x00d5, 0x7c310b0d, 0xf221cbb3},
+	{0x0105, 0x004a, 0x06a77e74, 0xa4ef4561},
+	{0x0858, 0x008e, 0x265bc739, 0xd6c36d9b},
+	{0x045e, 0x0095, 0x13d6b192, 0x5f5c1d62},
+	{0x0dab, 0x003c, 0xc4498704, 0x10414654},
+	{0x00cd, 0x00b5, 0x802a4e2d, 0xfbd17c9d},
+	{0x069b, 0x008c, 0x5df60f71, 0x91ddca5f},
+	{0x0454, 0x006c, 0x5f03d8bb, 0x5c59fce0},
+	{0x040e, 0x0032, 0x0ce513b5, 0xa8cd99b1},
+	{0x0874, 0x00e2, 0x6a811fb3, 0xca028316},
+	{0x0521, 0x00b4, 0x93296833, 0x2c4d4880},
+	{0x0ddc, 0x00cf, 0xf9305338, 0x2c94210d},
+	{0x0a70, 0x0023, 0x239549ea, 0x22b561aa},
+	{0x083e, 0x0027, 0x2d88ba97, 0x5cd8bb9d},
+	{0x0241, 0x00a7, 0xfe0b32e1, 0x17b506b8},
+	{0x0dfc, 0x0096, 0x1a11e815, 0xee4141bd},
+	{0x023e, 0x001e, 0xebc9a1f3, 0x5689a1f3},
+	{0x067e, 0x0066, 0xb1067f81, 0xd9952571},
+	{0x09ea, 0x000e, 0x46fd7247, 0x42b57245},
+	{0x036b, 0x008c, 0x1a39acdf, 0x58bf1586},
+	{0x078f, 0x0030, 0x964042ab, 0xb04218b9},
+	{0x085c, 0x008f, 0x1829edab, 0x9ceca89c},
+	{0x02ec, 0x009f, 0x6aefa72d, 0x634cc2a7},
+	{0x043b, 0x00ce, 0x65642ff5, 0x6c8a584e},
+	{0x0a32, 0x00b8, 0xbd82759e, 0x0f96a34f},
+	{0x0d3c, 0x0087, 0xf4d66d54, 0xb71ba5f4},
+	{0x09ec, 0x008a, 0x06bfa1ff, 0x576ca80f},
+	{0x0902, 0x0015, 0x755025d2, 0x517225c2},
+	{0x08fe, 0x000e, 0xf690ce2d, 0xf690cf3d},
+	{0x00fb, 0x00dc, 0xe55f1528, 0x707d7d92},
+	{0x0eaa, 0x003a, 0x0fe0a8d7, 0x87638cc5},
+	{0x05fb, 0x0006, 0x86281cfb, 0x86281cf9},
+	{0x0dd1, 0x00a7, 0x60ab51b4, 0xe28ef00c},
+	{0x0005, 0x001b, 0xf51d969b, 0xe71dd6d3},
+	{0x077c, 0x00dd, 0xc2fed268, 0xdc30c555},
+	{0x0575, 0x00f5, 0x432c0b1a, 0x81dd7d16},
+	{0x05be, 0x0088, 0x78baa04b, 0xd69b433e},
+	{0x0c89, 0x0068, 0xeda9e428, 0xe9b4fa0a},
+	{0x0f5c, 0x0068, 0xec143c76, 0x9947067a},
+	{0x06a8, 0x0009, 0xd72651ce, 0xd72651ee},
+	{0x060f, 0x008e, 0x765426cd, 0x2099626f},
+	{0x07b1, 0x0047, 0x2cfcfa0c, 0x1a4baa07},
+	{0x04f1, 0x0041, 0x55b172f9, 0x15331a79},
+	{0x0e05, 0x00ac, 0x61efde93, 0x320568cc},
+	{0x0bf7, 0x0097, 0x05b83eee, 0xc72fb7a3},
+	{0x04e9, 0x00f3, 0x9928223a, 0xe8c77de2},
+	{0x023a, 0x0005, 0xdfada9bc, 0xdfadb9be},
+	{0x0acb, 0x000e, 0x2217cecd, 0x0017d6cd},
+	{0x0148, 0x0060, 0xbc3f7405, 0xf5fd6615},
+	{0x0764, 0x0059, 0xcbc201b1, 0xbb089bf4},
+	{0x021f, 0x0059, 0x5d6b2256, 0xa16a0a59},
+	{0x0f1e, 0x006c, 0xdefeeb45, 0xfc34f9d6},
+	{0x071c, 0x00b9, 0xb9b59309, 0xb645eae2},
+	{0x0564, 0x0063, 0xae064271, 0x954dc6d1},
+	{0x0b14, 0x0044, 0xdb867d9b, 0xdf432309},
+	{0x0e5a, 0x0055, 0xff06b685, 0xa65ff257},
+	{0x015e, 0x00ba, 0x1115ccbc, 0x11c365f4},
+	{0x0379, 0x00e6, 0x5f4e58dd, 0x2d176d31},
+	{0x013b, 0x0067, 0x4897427e, 0xc40532fe},
+	{0x0e64, 0x0071, 0x7af2b7a4, 0x1fb7bf43},
+	{0x0a11, 0x0050, 0x92105726, 0xb1185e51},
+	{0x0109, 0x0055, 0xd0d000f9, 0x60a60bfd},
+	{0x00aa, 0x0022, 0x815d229d, 0x215d379c},
+	{0x09ac, 0x004f, 0x02f9d985, 0x10b90b20},
+	{0x0e1b, 0x00ce, 0x5cf92ab4, 0x6a477573},
+	{0x08af, 0x00d8, 0x17ca72d1, 0x385af156},
+	{0x0e33, 0x000a, 0xda2dba6b, 0xda2dbb69},
+	{0x0ee3, 0x006a, 0xb00048e5, 0xa9a2decc},
+	{0x0648, 0x001a, 0x2364b8cb, 0x3364b1cb},
+	{0x0315, 0x0085, 0x0596fd0d, 0xa651740f},
+	{0x0fbb, 0x003e, 0x298230ca, 0x7fc617c7},
+	{0x0422, 0x006a, 0x78ada4ab, 0xc576ae2a},
+	{0x04ba, 0x0073, 0xced1fbc2, 0xaac8455b},
+	{0x007d, 0x0061, 0x4b7ff236, 0x347d5739},
+	{0x070b, 0x00d0, 0x261cf0ae, 0xc7fb1c10},
+	{0x0c1a, 0x0035, 0x8be92ee2, 0x8be9b4e1},
+	{0x0af8, 0x0063, 0x824dcf03, 0x53010388},
+	{0x08f8, 0x006d, 0xd289710c, 0x30418edd},
+	{0x021b, 0x00ee, 0x6ac1c41d, 0x2557e9a3},
+	{0x05b5, 0x00da, 0x8e52f0e2, 0x98531012},
 };
 
 int __init
@@ -644,12 +648,19 @@ xfs_dahash_test(void)
 	unsigned int	errors = 0;
 
 	for (i = 0; i < ARRAY_SIZE(test); i++) {
+		struct xfs_name	xname = { };
 		xfs_dahash_t	hash;
 
 		hash = xfs_da_hashname(test_buf + test[i].start,
 				test[i].length);
 		if (hash != test[i].dahash)
 			errors++;
+
+		xname.name = test_buf + test[i].start;
+		xname.len = test[i].length;
+		hash = xfs_ascii_ci_hashname(&xname);
+		if (hash != test[i].ascii_ci_dahash)
+			errors++;
 	}
 
 	if (errors) {