block: introduce BlockDriver.bdrv_needs_filename to enable some drivers.

[qemu.git] / block / raw-posix.c

diff --git a/block/raw-posix.c b/block/raw-posix.c
index 1b41ea335695ff5f89d57f2f15bbfc602c3602de..f7f102d2e27636d33f514f2fe8522cc8b0895162 100644 (file)
--- a/block/raw-posix.c
+++ b/block/raw-posix.c
@@ -335,7 +335,8 @@ fail:
     return ret;
 }
 
-static int raw_open(BlockDriverState *bs, QDict *options, int flags)
+static int raw_open(BlockDriverState *bs, QDict *options, int flags,
+                    Error **errp)
 {
     BDRVRawState *s = bs->opaque;
 
@@ -1040,7 +1041,8 @@ static int64_t raw_get_allocated_file_size(BlockDriverState *bs)
     return (int64_t)st.st_blocks * 512;
 }
 
-static int raw_create(const char *filename, QEMUOptionParameter *options)
+static int raw_create(const char *filename, QEMUOptionParameter *options,
+                      Error **errp)
 {
     int fd;
     int result = 0;
@@ -1198,6 +1200,7 @@ static BlockDriver bdrv_file = {
     .format_name = "file",
     .protocol_name = "file",
     .instance_size = sizeof(BDRVRawState),
+    .bdrv_needs_filename = true,
     .bdrv_probe = NULL, /* no probe for protocols */
     .bdrv_file_open = raw_open,
     .bdrv_reopen_prepare = raw_reopen_prepare,
@@ -1331,7 +1334,8 @@ static int check_hdev_writable(BDRVRawState *s)
     return 0;
 }
 
-static int hdev_open(BlockDriverState *bs, QDict *options, int flags)
+static int hdev_open(BlockDriverState *bs, QDict *options, int flags,
+                     Error **errp)
 {
     BDRVRawState *s = bs->opaque;
     int ret;
@@ -1504,7 +1508,8 @@ static coroutine_fn BlockDriverAIOCB *hdev_aio_discard(BlockDriverState *bs,
                        cb, opaque, QEMU_AIO_DISCARD|QEMU_AIO_BLKDEV);
 }
 
-static int hdev_create(const char *filename, QEMUOptionParameter *options)
+static int hdev_create(const char *filename, QEMUOptionParameter *options,
+                       Error **errp)
 {
     int fd;
     int ret = 0;
@@ -1538,6 +1543,7 @@ static BlockDriver bdrv_host_device = {
     .format_name        = "host_device",
     .protocol_name        = "host_device",
     .instance_size      = sizeof(BDRVRawState),
+    .bdrv_needs_filename = true,
     .bdrv_probe_device  = hdev_probe_device,
     .bdrv_file_open     = hdev_open,
     .bdrv_close         = raw_close,
@@ -1565,7 +1571,8 @@ static BlockDriver bdrv_host_device = {
 };
 
 #ifdef __linux__
-static int floppy_open(BlockDriverState *bs, QDict *options, int flags)
+static int floppy_open(BlockDriverState *bs, QDict *options, int flags,
+                       Error **errp)
 {
     BDRVRawState *s = bs->opaque;
     int ret;
@@ -1662,6 +1669,7 @@ static BlockDriver bdrv_host_floppy = {
     .format_name        = "host_floppy",
     .protocol_name      = "host_floppy",
     .instance_size      = sizeof(BDRVRawState),
+    .bdrv_needs_filename = true,
     .bdrv_probe_device = floppy_probe_device,
     .bdrv_file_open     = floppy_open,
     .bdrv_close         = raw_close,
@@ -1686,7 +1694,8 @@ static BlockDriver bdrv_host_floppy = {
     .bdrv_eject         = floppy_eject,
 };
 
-static int cdrom_open(BlockDriverState *bs, QDict *options, int flags)
+static int cdrom_open(BlockDriverState *bs, QDict *options, int flags,
+                      Error **errp)
 {
     BDRVRawState *s = bs->opaque;
 
@@ -1763,6 +1772,7 @@ static BlockDriver bdrv_host_cdrom = {
     .format_name        = "host_cdrom",
     .protocol_name      = "host_cdrom",
     .instance_size      = sizeof(BDRVRawState),
+    .bdrv_needs_filename = true,
     .bdrv_probe_device = cdrom_probe_device,
     .bdrv_file_open     = cdrom_open,
     .bdrv_close         = raw_close,
@@ -1884,6 +1894,7 @@ static BlockDriver bdrv_host_cdrom = {
     .format_name        = "host_cdrom",
     .protocol_name      = "host_cdrom",
     .instance_size      = sizeof(BDRVRawState),
+    .bdrv_needs_filename = true,
     .bdrv_probe_device = cdrom_probe_device,
     .bdrv_file_open     = cdrom_open,
     .bdrv_close         = raw_close,