target/ppc: unify cpu->has_work based on cs->interrupt_request

[qmiga/qemu.git] / qemu-io-cmds.c

diff --git a/qemu-io-cmds.c b/qemu-io-cmds.c
index 954955c..952dc94 100644 (file)
--- a/qemu-io-cmds.c
+++ b/qemu-io-cmds.c
@@ -21,6 +21,7 @@
 #include "qemu/option.h"
 #include "qemu/timer.h"
 #include "qemu/cutils.h"
+#include "qemu/memalign.h"
 
 #define CMD_NOFILE_OK   0x01
 
@@ -540,28 +541,34 @@ fail:
 static int do_pread(BlockBackend *blk, char *buf, int64_t offset,
                     int64_t bytes, int64_t *total)
 {
+    int ret;
+
     if (bytes > INT_MAX) {
         return -ERANGE;
     }
 
-    *total = blk_pread(blk, offset, (uint8_t *)buf, bytes);
-    if (*total < 0) {
-        return *total;
+    ret = blk_pread(blk, offset, bytes, (uint8_t *)buf, 0);
+    if (ret < 0) {
+        return ret;
     }
+    *total = bytes;
     return 1;
 }
 
 static int do_pwrite(BlockBackend *blk, char *buf, int64_t offset,
                      int64_t bytes, int flags, int64_t *total)
 {
+    int ret;
+
     if (bytes > INT_MAX) {
         return -ERANGE;
     }
 
-    *total = blk_pwrite(blk, offset, (uint8_t *)buf, bytes, flags);
-    if (*total < 0) {
-        return *total;
+    ret = blk_pwrite(blk, offset, bytes, (uint8_t *)buf, flags);
+    if (ret < 0) {
+        return ret;
     }
+    *total = bytes;
     return 1;
 }
 
@@ -603,10 +610,6 @@ static int do_co_pwrite_zeroes(BlockBackend *blk, int64_t offset,
         .done   = false,
     };
 
-    if (bytes > INT_MAX) {
-        return -ERANGE;
-    }
-
     co = qemu_coroutine_create(co_pwrite_zeroes_entry, &data);
     bdrv_coroutine_enter(blk_bs(blk), co);
     while (!data.done) {
@@ -628,7 +631,7 @@ static int do_write_compressed(BlockBackend *blk, char *buf, int64_t offset,
         return -ERANGE;
     }
 
-    ret = blk_pwrite_compressed(blk, offset, buf, bytes);
+    ret = blk_pwrite_compressed(blk, offset, bytes, buf);
     if (ret < 0) {
         return ret;
     }
@@ -1160,8 +1163,9 @@ static int write_f(BlockBackend *blk, int argc, char **argv)
     if (count < 0) {
         print_cvtnum_err(count, argv[optind]);
         return count;
-    } else if (count > BDRV_REQUEST_MAX_BYTES) {
-        printf("length cannot exceed %" PRIu64 ", given %s\n",
+    } else if (count > BDRV_REQUEST_MAX_BYTES &&
+               !(flags & BDRV_REQ_NO_FALLBACK)) {
+        printf("length cannot exceed %" PRIu64 " without -n, given %s\n",
                (uint64_t)BDRV_REQUEST_MAX_BYTES, argv[optind]);
         return -EINVAL;
     }