[Qemu-devel] [PATCH 1/4] Rename DriveInfo.onerror to on_write_error

[Kevin Wolf <kwolf@redhat.com>]

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: Kevin Wolf <kwolf@redhat.com>
---
 hw/ide/core.c   |    2 +-
 hw/scsi-disk.c  |    3 ++-
 hw/virtio-blk.c |    2 +-
 sysemu.h        |    6 ++++--
 vl.c            |   11 ++++++++---
 5 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/hw/ide/core.c b/hw/ide/core.c
index 7b1ff8f..49bbdcd 100644
--- a/hw/ide/core.c
+++ b/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;
diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c
index a92b62f..37f0cf3 100644
--- a/hw/scsi-disk.c
+++ b/hw/scsi-disk.c
@@ -220,7 +220,8 @@ static void scsi_read_data(SCSIDevice *d, uint32_t tag)
 
 static int scsi_handle_write_error(SCSIRequest *r, int error)
 {
-    BlockInterfaceErrorAction action = drive_get_onerror(r->dev->dinfo->bdrv);
+    BlockInterfaceErrorAction action =
+        drive_get_on_error(r->dev->dinfo->bdrv, 0);
 
     if (action == BLOCK_ERR_IGNORE)
         return 0;
diff --git a/hw/virtio-blk.c b/hw/virtio-blk.c
index 42b766f..a93d20d 100644
--- a/hw/virtio-blk.c
+++ b/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)
diff --git a/sysemu.h b/sysemu.h
index b1887ef..522d9af 100644
--- a/sysemu.h
+++ b/sysemu.h
@@ -172,7 +172,7 @@ 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;
@@ -189,7 +189,9 @@ 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);
 
diff --git a/vl.c b/vl.c
index ee43808..ecfecb3 100644
--- a/vl.c
+++ b/vl.c
@@ -1960,13 +1960,18 @@ 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;
@@ -2264,7 +2269,7 @@ 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));
-- 
1.6.2.5