Block patches

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Merge remote-tracking branch 'mreitz/tags/pull-block-for-kevin-2016-05-19' into queue-block

Block patches

# gpg: Signature made Thu May 19 16:58:53 2016 CEST using RSA key ID E838ACAD
# gpg: Good signature from "Max Reitz <mreitz@redhat.com>"

* mreitz/tags/pull-block-for-kevin-2016-05-19:
  qemu-iotests: Fix regression in 136 on aio_read invalid
  qemu-iotests: Simplify 109 with unaligned qemu-img compare
  qemu-io: Fix recent UI updates

Signed-off-by: Kevin Wolf <kwolf@redhat.com>

qemu-io-cmds.c

@@ -1107,7 +1107,7 @@ static int writev_f(BlockBackend *blk, int argc, char **argv)
     int pattern = 0xcd;
     QEMUIOVector qiov;
 
-    while ((c = getopt(argc, argv, "CqP:")) != -1) {
+    while ((c = getopt(argc, argv, "CfqP:")) != -1) {
         switch (c) {
         case 'C':
             Cflag = true;
@@ -1274,6 +1274,7 @@ static void aio_read_help(void)
 " used to ensure all outstanding aio requests have been completed.\n"
 " -C, -- report statistics in a machine parsable format\n"
 " -P, -- use a pattern to verify read data\n"
+" -i, -- treat request as invalid, for exercising stats\n"
 " -v, -- dump buffer to standard output\n"
 " -q, -- quiet mode, do not show I/O statistics\n"
 "\n");
@@ -1286,7 +1287,7 @@ static const cmdinfo_t aio_read_cmd = {
     .cfunc      = aio_read_f,
     .argmin     = 2,
     .argmax     = -1,
-    .args       = "[-Cqv] [-P pattern] off len [len..]",
+    .args       = "[-Ciqv] [-P pattern] off len [len..]",
     .oneline    = "asynchronously reads a number of bytes",
     .help       = aio_read_help,
 };
@@ -1297,7 +1298,7 @@ static int aio_read_f(BlockBackend *blk, int argc, char **argv)
     struct aio_ctx *ctx = g_new0(struct aio_ctx, 1);
 
     ctx->blk = blk;
-    while ((c = getopt(argc, argv, "CP:qv")) != -1) {
+    while ((c = getopt(argc, argv, "CP:iqv")) != -1) {
         switch (c) {
         case 'C':
             ctx->Cflag = true;
@@ -1310,6 +1311,11 @@ static int aio_read_f(BlockBackend *blk, int argc, char **argv)
                 return 0;
             }
             break;
+        case 'i':
+            printf("injecting invalid read request\n");
+            block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_READ);
+            g_free(ctx);
+            return 0;
         case 'q':
             ctx->qflag = true;
             break;
@@ -1367,6 +1373,7 @@ static void aio_write_help(void)
 " -P, -- use different pattern to fill file\n"
 " -C, -- report statistics in a machine parsable format\n"
 " -f, -- use Force Unit Access semantics\n"
+" -i, -- treat request as invalid, for exercising stats\n"
 " -q, -- quiet mode, do not show I/O statistics\n"
 " -u, -- with -z, allow unmapping\n"
 " -z, -- write zeroes using blk_aio_write_zeroes\n"
@@ -1380,7 +1387,7 @@ static const cmdinfo_t aio_write_cmd = {
     .cfunc      = aio_write_f,
     .argmin     = 2,
     .argmax     = -1,
-    .args       = "[-Cfquz] [-P pattern] off len [len..]",
+    .args       = "[-Cfiquz] [-P pattern] off len [len..]",
     .oneline    = "asynchronously writes a number of bytes",
     .help       = aio_write_help,
 };
@@ -1393,7 +1400,7 @@ static int aio_write_f(BlockBackend *blk, int argc, char **argv)
     int flags = 0;
 
     ctx->blk = blk;
-    while ((c = getopt(argc, argv, "CfqP:z")) != -1) {
+    while ((c = getopt(argc, argv, "CfiqP:uz")) != -1) {
         switch (c) {
         case 'C':
             ctx->Cflag = true;
@@ -1414,6 +1421,11 @@ static int aio_write_f(BlockBackend *blk, int argc, char **argv)
                 return 0;
             }
             break;
+        case 'i':
+            printf("injecting invalid write request\n");
+            block_acct_invalid(blk_get_stats(blk), BLOCK_ACCT_WRITE);
+            g_free(ctx);
+            return 0;
         case 'z':
             ctx->zflag = true;
             break;
@@ -1436,6 +1448,7 @@ static int aio_write_f(BlockBackend *blk, int argc, char **argv)
 
     if ((flags & BDRV_REQ_MAY_UNMAP) && !ctx->zflag) {
         printf("-u requires -z to be specified\n");
+        g_free(ctx);
         return 0;
     }
 

tests/qemu-iotests/109

@@ -104,8 +104,6 @@ for sample_img in empty.bochs iotest-dirtylog-10G-4M.vhdx parallels-v1 \
     $QEMU_IO -c 'read -P 0 0 64k' "$TEST_IMG" | _filter_qemu_io
 
     run_qemu "$TEST_IMG" "$TEST_IMG.src" "'format': 'raw'," "BLOCK_JOB_READY"
-    # qemu-img compare can't handle unaligned file sizes
-    $QEMU_IMG resize -f raw "$TEST_IMG.src" +0
     $QEMU_IMG compare -f raw -F raw "$TEST_IMG" "$TEST_IMG.src"
 done
 

tests/qemu-iotests/109.out

@@ -143,7 +143,6 @@ read 65536/65536 bytes at offset 0
 {"return": {}}
 {"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 2560, "offset": 2560, "speed": 0, "type": "mirror"}}
 {"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 2560, "offset": 2560, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
-Image resized.
 Warning: Image size mismatch!
 Images are identical.
 
@@ -164,7 +163,6 @@ read 65536/65536 bytes at offset 0
 {"return": {}}
 {"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 31457280, "offset": 31457280, "speed": 0, "type": "mirror"}}
 {"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 31457280, "offset": 31457280, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
-Image resized.
 Warning: Image size mismatch!
 Images are identical.
 
@@ -185,7 +183,6 @@ read 65536/65536 bytes at offset 0
 {"return": {}}
 {"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 327680, "offset": 327680, "speed": 0, "type": "mirror"}}
 {"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 327680, "offset": 327680, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
-Image resized.
 Warning: Image size mismatch!
 Images are identical.
 
@@ -206,7 +203,6 @@ read 65536/65536 bytes at offset 0
 {"return": {}}
 {"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "BLOCK_JOB_READY", "data": {"device": "src", "len": 2048, "offset": 2048, "speed": 0, "type": "mirror"}}
 {"return": [{"io-status": "ok", "device": "src", "busy": false, "len": 2048, "offset": 2048, "paused": false, "speed": 0, "ready": true, "type": "mirror"}]}
-Image resized.
 Warning: Image size mismatch!
 Images are identical.
 

tests/qemu-iotests/136

@@ -226,18 +226,11 @@ sector = "%d"
 
         highest_offset = wr_ops * wr_size
 
-        # Two types of invalid operations: unaligned length and unaligned offset
+        for i in range(invalid_rd_ops):
-        for i in range(invalid_rd_ops / 2):
+            ops.append("aio_read -i 0 512")
-            ops.append("aio_read 0 511")
 
-        for i in range(invalid_rd_ops / 2, invalid_rd_ops):
+        for i in range(invalid_wr_ops):
-            ops.append("aio_read 13 512")
+            ops.append("aio_write -i 0 512")
-
-        for i in range(invalid_wr_ops / 2):
-            ops.append("aio_write 0 511")
-
-        for i in range(invalid_wr_ops / 2, invalid_wr_ops):
-            ops.append("aio_write 13 512")
 
         for i in range(failed_rd_ops):
             ops.append("aio_read %d 512" % bad_offset)