acpitable: open the data file in binary mode

[qemu.git] / block.c

diff --git a/block.c b/block.c
index 0668c4be176bcc1855948802234eb4925da3eae5..6fa7c901442d846af54a79578b90115e6b0c7a0f 100644 (file)
--- a/block.c
+++ b/block.c
@@ -24,16 +24,16 @@
 #include "config-host.h"
 #include "qemu-common.h"
 #include "trace.h"
-#include "monitor.h"
-#include "block_int.h"
-#include "blockjob.h"
-#include "module.h"
-#include "qjson.h"
-#include "sysemu.h"
-#include "notify.h"
-#include "qemu-coroutine.h"
+#include "monitor/monitor.h"
+#include "block/block_int.h"
+#include "block/blockjob.h"
+#include "qemu/module.h"
+#include "qapi/qmp/qjson.h"
+#include "sysemu/sysemu.h"
+#include "qemu/notify.h"
+#include "block/coroutine.h"
 #include "qmp-commands.h"
-#include "qemu-timer.h"
+#include "qemu/timer.h"
 
 #ifdef CONFIG_BSD
 #include <sys/types.h>
@@ -155,10 +155,6 @@ void bdrv_io_limits_enable(BlockDriverState *bs)
 {
     qemu_co_queue_init(&bs->throttled_reqs);
     bs->block_timer = qemu_new_timer_ns(vm_clock, bdrv_block_timer, bs);
-    bs->slice_time  = 5 * BLOCK_IO_SLICE_TIME;
-    bs->slice_start = qemu_get_clock_ns(vm_clock);
-    bs->slice_end   = bs->slice_start + bs->slice_time;
-    memset(&bs->io_base, 0, sizeof(bs->io_base));
     bs->io_limits_enabled = true;
 }
 
@@ -527,7 +523,7 @@ static int find_image_format(BlockDriverState *bs, const char *filename,
     int ret = 0;
 
     /* Return the raw BlockDriver * to scsi-generic devices or empty drives */
-    if (bs->sg || !bdrv_is_inserted(bs)) {
+    if (bs->sg || !bdrv_is_inserted(bs) || bdrv_getlength(bs) == 0) {
         drv = bdrv_find_format("raw");
         if (!drv) {
             ret = -ENOENT;
@@ -3338,11 +3334,7 @@ char *get_human_readable_size(char *buf, int buf_size, int64_t size)
 char *bdrv_snapshot_dump(char *buf, int buf_size, QEMUSnapshotInfo *sn)
 {
     char buf1[128], date_buf[128], clock_buf[128];
-#ifdef _WIN32
-    struct tm *ptm;
-#else
     struct tm tm;
-#endif
     time_t ti;
     int64_t secs;
 
@@ -3352,15 +3344,9 @@ char *bdrv_snapshot_dump(char *buf, int buf_size, QEMUSnapshotInfo *sn)
                  "ID", "TAG", "VM SIZE", "DATE", "VM CLOCK");
     } else {
         ti = sn->date_sec;
-#ifdef _WIN32
-        ptm = localtime(&ti);
-        strftime(date_buf, sizeof(date_buf),
-                 "%Y-%m-%d %H:%M:%S", ptm);
-#else
         localtime_r(&ti, &tm);
         strftime(date_buf, sizeof(date_buf),
                  "%Y-%m-%d %H:%M:%S", &tm);
-#endif
         secs = sn->vm_clock_nsec / 1000000000;
         snprintf(clock_buf, sizeof(clock_buf),
                  "%02d:%02d:%02d.%03d",
@@ -4184,7 +4170,13 @@ int coroutine_fn bdrv_co_discard(BlockDriverState *bs, int64_t sector_num,
         return -EIO;
     } else if (bs->read_only) {
         return -EROFS;
-    } else if (bs->drv->bdrv_co_discard) {
+    }
+
+    if (bs->dirty_bitmap) {
+        set_dirty_bitmap(bs, sector_num, nb_sectors, 0);
+    }
+
+    if (bs->drv->bdrv_co_discard) {
         return bs->drv->bdrv_co_discard(bs, sector_num, nb_sectors);
     } else if (bs->drv->bdrv_aio_discard) {
         BlockDriverAIOCB *acb;
@@ -4323,6 +4315,22 @@ void *qemu_blockalign(BlockDriverState *bs, size_t size)
     return qemu_memalign((bs && bs->buffer_alignment) ? bs->buffer_alignment : 512, size);
 }
 
+/*
+ * Check if all memory in this vector is sector aligned.
+ */
+bool bdrv_qiov_is_aligned(BlockDriverState *bs, QEMUIOVector *qiov)
+{
+    int i;
+
+    for (i = 0; i < qiov->niov; i++) {
+        if ((uintptr_t) qiov->iov[i].iov_base % bs->buffer_alignment) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
 void bdrv_set_dirty_tracking(BlockDriverState *bs, int enable)
 {
     int64_t bitmap_size;