Rename DriveInfo.onerror to on_write_error

Either rename variables and functions to refer to write errors (which is what
they actually do) or introduce a parameter to distinguish reads and writes.
Signed-off-by: NKevin Wolf <kwolf@redhat.com>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>

hw/ide/core.c

@@ -473,7 +473,7 @@ void ide_dma_error(IDEState *s)
 
 static int ide_handle_write_error(IDEState *s, int error, int op)
 {
-    BlockInterfaceErrorAction action = drive_get_onerror(s->bs);
+    BlockInterfaceErrorAction action = drive_get_on_error(s->bs, 0);
 
     if (action == BLOCK_ERR_IGNORE)
         return 0;

hw/scsi-disk.c

@@ -172,7 +172,8 @@ static void scsi_read_data(SCSIDevice *d, uint32_t tag)
 static int scsi_handle_write_error(SCSIDiskReq *r, int error)
 {
     SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev, r->req.dev);
-    BlockInterfaceErrorAction action = drive_get_onerror(s->qdev.dinfo->bdrv);
+    BlockInterfaceErrorAction action =
+        drive_get_on_error(s->qdev.dinfo->bdrv, 0);
 
     if (action == BLOCK_ERR_IGNORE)
         return 0;

hw/virtio-blk.c

@@ -100,7 +100,7 @@ static void virtio_blk_req_complete(VirtIOBlockReq *req, int status)
 
 static int virtio_blk_handle_write_error(VirtIOBlockReq *req, int error)
 {
-    BlockInterfaceErrorAction action = drive_get_onerror(req->dev->bs);
+    BlockInterfaceErrorAction action = drive_get_on_error(req->dev->bs, 0);
     VirtIOBlock *s = req->dev;
 
     if (action == BLOCK_ERR_IGNORE)

sysemu.h

@@ -180,7 +180,7 @@ typedef struct DriveInfo {
     int bus;
     int unit;
     QemuOpts *opts;
-    BlockInterfaceErrorAction onerror;
+    BlockInterfaceErrorAction on_write_error;
     char serial[BLOCK_SERIAL_STRLEN + 1];
     QTAILQ_ENTRY(DriveInfo) next;
 } DriveInfo;
@@ -197,7 +197,9 @@ extern DriveInfo *drive_get_by_id(const char *id);
 extern int drive_get_max_bus(BlockInterfaceType type);
 extern void drive_uninit(DriveInfo *dinfo);
 extern const char *drive_get_serial(BlockDriverState *bdrv);
-extern BlockInterfaceErrorAction drive_get_onerror(BlockDriverState *bdrv);
+
+extern BlockInterfaceErrorAction drive_get_on_error(
+    BlockDriverState *bdrv, int is_read);
 
 BlockDriverState *qdev_init_bdrv(DeviceState *dev, BlockInterfaceType type);
 

vl.c

@@ -1959,13 +1959,18 @@ const char *drive_get_serial(BlockDriverState *bdrv)
     return "\0";
 }
 
-BlockInterfaceErrorAction drive_get_onerror(BlockDriverState *bdrv)
+BlockInterfaceErrorAction drive_get_on_error(
+    BlockDriverState *bdrv, int is_read)
 {
     DriveInfo *dinfo;
 
+    if (is_read) {
+        return BLOCK_ERR_REPORT;
+    }
+
     QTAILQ_FOREACH(dinfo, &drives, next) {
         if (dinfo->bdrv == bdrv)
-            return dinfo->onerror;
+            return dinfo->on_write_error;
     }
 
     return BLOCK_ERR_STOP_ENOSPC;
@@ -2263,7 +2268,7 @@ DriveInfo *drive_init(QemuOpts *opts, void *opaque,
     dinfo->type = type;
     dinfo->bus = bus_id;
     dinfo->unit = unit_id;
-    dinfo->onerror = onerror;
+    dinfo->on_write_error = onerror;
     dinfo->opts = opts;
     if (serial)
         strncpy(dinfo->serial, serial, sizeof(serial));