[PULL 09/23] block: remove separate bdrv_file_open callback

[Paolo Bonzini]

bdrv_file_open and bdrv_open are completely equivalent, they are
never checked except to see which one to invoke.  So merge them
into a single one.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 include/block/block_int-common.h | 3 ---
 block.c                          | 4 +---
 block/blkdebug.c                 | 2 +-
 block/blkio.c                    | 2 +-
 block/blkverify.c                | 2 +-
 block/curl.c                     | 8 ++++----
 block/file-posix.c               | 8 ++++----
 block/file-win32.c               | 4 ++--
 block/gluster.c                  | 6 +++---
 block/iscsi.c                    | 4 ++--
 block/nbd.c                      | 6 +++---
 block/nfs.c                      | 2 +-
 block/null.c                     | 4 ++--
 block/nvme.c                     | 2 +-
 block/rbd.c                      | 3 ++-
 block/ssh.c                      | 2 +-
 block/vvfat.c                    | 2 +-
 17 files changed, 30 insertions(+), 34 deletions(-)

diff --git a/include/block/block_int-common.h b/include/block/block_int-common.h
index 761276127ed..ebb4e56a503 100644
--- a/include/block/block_int-common.h
+++ b/include/block/block_int-common.h
@@ -248,9 +248,6 @@ struct BlockDriver {
     int GRAPH_UNLOCKED_PTR (*bdrv_open)(
         BlockDriverState *bs, QDict *options, int flags, Error **errp);
 
-    /* Protocol drivers should implement this instead of bdrv_open */
-    int GRAPH_UNLOCKED_PTR (*bdrv_file_open)(
-        BlockDriverState *bs, QDict *options, int flags, Error **errp);
     void (*bdrv_close)(BlockDriverState *bs);
 
     int coroutine_fn GRAPH_UNLOCKED_PTR (*bdrv_co_create)(
diff --git a/block.c b/block.c
index dd14ba85fc3..c1cc313d216 100644
--- a/block.c
+++ b/block.c
@@ -1655,9 +1655,7 @@ bdrv_open_driver(BlockDriverState *bs, BlockDriver *drv, 
const char *node_name,
     bs->opaque = g_malloc0(drv->instance_size);
 
     assert(!drv->bdrv_needs_filename || bs->filename[0]);
-    if (drv->bdrv_file_open) {
-        ret = drv->bdrv_file_open(bs, options, open_flags, &local_err);
-    } else if (drv->bdrv_open) {
+    if (drv->bdrv_open) {
         ret = drv->bdrv_open(bs, options, open_flags, &local_err);
     } else {
         ret = 0;
diff --git a/block/blkdebug.c b/block/blkdebug.c
index 9da8c9eddc2..c95c818c388 100644
--- a/block/blkdebug.c
+++ b/block/blkdebug.c
@@ -1073,7 +1073,7 @@ static BlockDriver bdrv_blkdebug = {
     .is_filter              = true,
 
     .bdrv_parse_filename    = blkdebug_parse_filename,
-    .bdrv_file_open         = blkdebug_open,
+    .bdrv_open              = blkdebug_open,
     .bdrv_close             = blkdebug_close,
     .bdrv_reopen_prepare    = blkdebug_reopen_prepare,
     .bdrv_child_perm        = blkdebug_child_perm,
diff --git a/block/blkio.c b/block/blkio.c
index 882e1c297b4..1a38064ce76 100644
--- a/block/blkio.c
+++ b/block/blkio.c
@@ -1088,7 +1088,7 @@ static void blkio_refresh_limits(BlockDriverState *bs, 
Error **errp)
  */
 #define BLKIO_DRIVER_COMMON \
     .instance_size           = sizeof(BDRVBlkioState), \
-    .bdrv_file_open          = blkio_file_open, \
+    .bdrv_open               = blkio_file_open, \
     .bdrv_close              = blkio_close, \
     .bdrv_co_getlength       = blkio_co_getlength, \
     .bdrv_co_truncate        = blkio_truncate, \
diff --git a/block/blkverify.c b/block/blkverify.c
index ec45d8335ed..5a9bf674d9c 100644
--- a/block/blkverify.c
+++ b/block/blkverify.c
@@ -321,7 +321,7 @@ static BlockDriver bdrv_blkverify = {
     .instance_size                    = sizeof(BDRVBlkverifyState),
 
     .bdrv_parse_filename              = blkverify_parse_filename,
-    .bdrv_file_open                   = blkverify_open,
+    .bdrv_open                        = blkverify_open,
     .bdrv_close                       = blkverify_close,
     .bdrv_child_perm                  = bdrv_default_perms,
     .bdrv_co_getlength                = blkverify_co_getlength,
diff --git a/block/curl.c b/block/curl.c
index 419f7c89ef2..ef5252d00b5 100644
--- a/block/curl.c
+++ b/block/curl.c
@@ -1034,7 +1034,7 @@ static BlockDriver bdrv_http = {
 
     .instance_size              = sizeof(BDRVCURLState),
     .bdrv_parse_filename        = curl_parse_filename,
-    .bdrv_file_open             = curl_open,
+    .bdrv_open                  = curl_open,
     .bdrv_close                 = curl_close,
     .bdrv_co_getlength          = curl_co_getlength,
 
@@ -1053,7 +1053,7 @@ static BlockDriver bdrv_https = {
 
     .instance_size              = sizeof(BDRVCURLState),
     .bdrv_parse_filename        = curl_parse_filename,
-    .bdrv_file_open             = curl_open,
+    .bdrv_open                  = curl_open,
     .bdrv_close                 = curl_close,
     .bdrv_co_getlength          = curl_co_getlength,
 
@@ -1072,7 +1072,7 @@ static BlockDriver bdrv_ftp = {
 
     .instance_size              = sizeof(BDRVCURLState),
     .bdrv_parse_filename        = curl_parse_filename,
-    .bdrv_file_open             = curl_open,
+    .bdrv_open                  = curl_open,
     .bdrv_close                 = curl_close,
     .bdrv_co_getlength          = curl_co_getlength,
 
@@ -1091,7 +1091,7 @@ static BlockDriver bdrv_ftps = {
 
     .instance_size              = sizeof(BDRVCURLState),
     .bdrv_parse_filename        = curl_parse_filename,
-    .bdrv_file_open             = curl_open,
+    .bdrv_open                  = curl_open,
     .bdrv_close                 = curl_close,
     .bdrv_co_getlength          = curl_co_getlength,
 
diff --git a/block/file-posix.c b/block/file-posix.c
index be25e35ff6e..f3bd946afac 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -3886,7 +3886,7 @@ BlockDriver bdrv_file = {
     .bdrv_needs_filename = true,
     .bdrv_probe = NULL, /* no probe for protocols */
     .bdrv_parse_filename = raw_parse_filename,
-    .bdrv_file_open = raw_open,
+    .bdrv_open      = raw_open,
     .bdrv_reopen_prepare = raw_reopen_prepare,
     .bdrv_reopen_commit = raw_reopen_commit,
     .bdrv_reopen_abort = raw_reopen_abort,
@@ -4257,7 +4257,7 @@ static BlockDriver bdrv_host_device = {
     .bdrv_needs_filename = true,
     .bdrv_probe_device  = hdev_probe_device,
     .bdrv_parse_filename = hdev_parse_filename,
-    .bdrv_file_open     = hdev_open,
+    .bdrv_open          = hdev_open,
     .bdrv_close         = raw_close,
     .bdrv_reopen_prepare = raw_reopen_prepare,
     .bdrv_reopen_commit  = raw_reopen_commit,
@@ -4396,7 +4396,7 @@ static BlockDriver bdrv_host_cdrom = {
     .bdrv_needs_filename = true,
     .bdrv_probe_device = cdrom_probe_device,
     .bdrv_parse_filename = cdrom_parse_filename,
-    .bdrv_file_open     = cdrom_open,
+    .bdrv_open          = cdrom_open,
     .bdrv_close         = raw_close,
     .bdrv_reopen_prepare = raw_reopen_prepare,
     .bdrv_reopen_commit  = raw_reopen_commit,
@@ -4522,7 +4522,7 @@ static BlockDriver bdrv_host_cdrom = {
     .bdrv_needs_filename = true,
     .bdrv_probe_device = cdrom_probe_device,
     .bdrv_parse_filename = cdrom_parse_filename,
-    .bdrv_file_open     = cdrom_open,
+    .bdrv_open          = cdrom_open,
     .bdrv_close         = raw_close,
     .bdrv_reopen_prepare = raw_reopen_prepare,
     .bdrv_reopen_commit  = raw_reopen_commit,
diff --git a/block/file-win32.c b/block/file-win32.c
index 48b790d9173..7e1baa1ece6 100644
--- a/block/file-win32.c
+++ b/block/file-win32.c
@@ -746,7 +746,7 @@ BlockDriver bdrv_file = {
     .instance_size     = sizeof(BDRVRawState),
     .bdrv_needs_filename = true,
     .bdrv_parse_filename = raw_parse_filename,
-    .bdrv_file_open     = raw_open,
+    .bdrv_open          = raw_open,
     .bdrv_refresh_limits = raw_probe_alignment,
     .bdrv_close         = raw_close,
     .bdrv_co_create_opts = raw_co_create_opts,
@@ -920,7 +920,7 @@ static BlockDriver bdrv_host_device = {
     .bdrv_needs_filename = true,
     .bdrv_parse_filename = hdev_parse_filename,
     .bdrv_probe_device = hdev_probe_device,
-    .bdrv_file_open    = hdev_open,
+    .bdrv_open         = hdev_open,
     .bdrv_close                = raw_close,
     .bdrv_refresh_limits = hdev_refresh_limits,
 
diff --git a/block/gluster.c b/block/gluster.c
index d0999903dfe..f8b415f3812 100644
--- a/block/gluster.c
+++ b/block/gluster.c
@@ -1551,7 +1551,7 @@ static BlockDriver bdrv_gluster = {
     .format_name                  = "gluster",
     .protocol_name                = "gluster",
     .instance_size                = sizeof(BDRVGlusterState),
-    .bdrv_file_open               = qemu_gluster_open,
+    .bdrv_open                    = qemu_gluster_open,
     .bdrv_reopen_prepare          = qemu_gluster_reopen_prepare,
     .bdrv_reopen_commit           = qemu_gluster_reopen_commit,
     .bdrv_reopen_abort            = qemu_gluster_reopen_abort,
@@ -1580,7 +1580,7 @@ static BlockDriver bdrv_gluster_tcp = {
     .format_name                  = "gluster",
     .protocol_name                = "gluster+tcp",
     .instance_size                = sizeof(BDRVGlusterState),
-    .bdrv_file_open               = qemu_gluster_open,
+    .bdrv_open                    = qemu_gluster_open,
     .bdrv_reopen_prepare          = qemu_gluster_reopen_prepare,
     .bdrv_reopen_commit           = qemu_gluster_reopen_commit,
     .bdrv_reopen_abort            = qemu_gluster_reopen_abort,
@@ -1609,7 +1609,7 @@ static BlockDriver bdrv_gluster_unix = {
     .format_name                  = "gluster",
     .protocol_name                = "gluster+unix",
     .instance_size                = sizeof(BDRVGlusterState),
-    .bdrv_file_open               = qemu_gluster_open,
+    .bdrv_open                    = qemu_gluster_open,
     .bdrv_reopen_prepare          = qemu_gluster_reopen_prepare,
     .bdrv_reopen_commit           = qemu_gluster_reopen_commit,
     .bdrv_reopen_abort            = qemu_gluster_reopen_abort,
diff --git a/block/iscsi.c b/block/iscsi.c
index 2ff14b74724..979bf90cb79 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -2429,7 +2429,7 @@ static BlockDriver bdrv_iscsi = {
 
     .instance_size          = sizeof(IscsiLun),
     .bdrv_parse_filename    = iscsi_parse_filename,
-    .bdrv_file_open         = iscsi_open,
+    .bdrv_open              = iscsi_open,
     .bdrv_close             = iscsi_close,
     .bdrv_co_create_opts    = bdrv_co_create_opts_simple,
     .create_opts            = &bdrv_create_opts_simple,
@@ -2468,7 +2468,7 @@ static BlockDriver bdrv_iser = {
 
     .instance_size          = sizeof(IscsiLun),
     .bdrv_parse_filename    = iscsi_parse_filename,
-    .bdrv_file_open         = iscsi_open,
+    .bdrv_open              = iscsi_open,
     .bdrv_close             = iscsi_close,
     .bdrv_co_create_opts    = bdrv_co_create_opts_simple,
     .create_opts            = &bdrv_create_opts_simple,
diff --git a/block/nbd.c b/block/nbd.c
index 589d28af833..d464315766e 100644
--- a/block/nbd.c
+++ b/block/nbd.c
@@ -2146,7 +2146,7 @@ static BlockDriver bdrv_nbd = {
     .bdrv_parse_filename        = nbd_parse_filename,
     .bdrv_co_create_opts        = bdrv_co_create_opts_simple,
     .create_opts                = &bdrv_create_opts_simple,
-    .bdrv_file_open             = nbd_open,
+    .bdrv_open                  = nbd_open,
     .bdrv_reopen_prepare        = nbd_client_reopen_prepare,
     .bdrv_co_preadv             = nbd_client_co_preadv,
     .bdrv_co_pwritev            = nbd_client_co_pwritev,
@@ -2174,7 +2174,7 @@ static BlockDriver bdrv_nbd_tcp = {
     .bdrv_parse_filename        = nbd_parse_filename,
     .bdrv_co_create_opts        = bdrv_co_create_opts_simple,
     .create_opts                = &bdrv_create_opts_simple,
-    .bdrv_file_open             = nbd_open,
+    .bdrv_open                  = nbd_open,
     .bdrv_reopen_prepare        = nbd_client_reopen_prepare,
     .bdrv_co_preadv             = nbd_client_co_preadv,
     .bdrv_co_pwritev            = nbd_client_co_pwritev,
@@ -2202,7 +2202,7 @@ static BlockDriver bdrv_nbd_unix = {
     .bdrv_parse_filename        = nbd_parse_filename,
     .bdrv_co_create_opts        = bdrv_co_create_opts_simple,
     .create_opts                = &bdrv_create_opts_simple,
-    .bdrv_file_open             = nbd_open,
+    .bdrv_open                  = nbd_open,
     .bdrv_reopen_prepare        = nbd_client_reopen_prepare,
     .bdrv_co_preadv             = nbd_client_co_preadv,
     .bdrv_co_pwritev            = nbd_client_co_pwritev,
diff --git a/block/nfs.c b/block/nfs.c
index 60240a8733d..0500f60c08f 100644
--- a/block/nfs.c
+++ b/block/nfs.c
@@ -888,7 +888,7 @@ static BlockDriver bdrv_nfs = {
 #endif
     .bdrv_co_truncate               = nfs_file_co_truncate,
 
-    .bdrv_file_open                 = nfs_file_open,
+    .bdrv_open                      = nfs_file_open,
     .bdrv_close                     = nfs_file_close,
     .bdrv_co_create                 = nfs_file_co_create,
     .bdrv_co_create_opts            = nfs_file_co_create_opts,
diff --git a/block/null.c b/block/null.c
index 4808704ffd3..6fa64d20d86 100644
--- a/block/null.c
+++ b/block/null.c
@@ -283,7 +283,7 @@ static BlockDriver bdrv_null_co = {
     .protocol_name          = "null-co",
     .instance_size          = sizeof(BDRVNullState),
 
-    .bdrv_file_open         = null_file_open,
+    .bdrv_open              = null_file_open,
     .bdrv_parse_filename    = null_co_parse_filename,
     .bdrv_co_getlength      = null_co_getlength,
     .bdrv_co_get_allocated_file_size = null_co_get_allocated_file_size,
@@ -304,7 +304,7 @@ static BlockDriver bdrv_null_aio = {
     .protocol_name          = "null-aio",
     .instance_size          = sizeof(BDRVNullState),
 
-    .bdrv_file_open         = null_file_open,
+    .bdrv_open              = null_file_open,
     .bdrv_parse_filename    = null_aio_parse_filename,
     .bdrv_co_getlength      = null_co_getlength,
     .bdrv_co_get_allocated_file_size = null_co_get_allocated_file_size,
diff --git a/block/nvme.c b/block/nvme.c
index 3a3c6da73d2..c84914af6dd 100644
--- a/block/nvme.c
+++ b/block/nvme.c
@@ -1630,7 +1630,7 @@ static BlockDriver bdrv_nvme = {
     .create_opts              = &bdrv_create_opts_simple,
 
     .bdrv_parse_filename      = nvme_parse_filename,
-    .bdrv_file_open           = nvme_file_open,
+    .bdrv_open                = nvme_file_open,
     .bdrv_close               = nvme_close,
     .bdrv_co_getlength        = nvme_co_getlength,
     .bdrv_probe_blocksizes    = nvme_probe_blocksizes,
diff --git a/block/rbd.c b/block/rbd.c
index 84bb2fa5d71..9c0fd0cb3f7 100644
--- a/block/rbd.c
+++ b/block/rbd.c
@@ -1815,8 +1815,9 @@ static const char *const qemu_rbd_strong_runtime_opts[] = 
{
 static BlockDriver bdrv_rbd = {
     .format_name            = "rbd",
     .instance_size          = sizeof(BDRVRBDState),
+
     .bdrv_parse_filename    = qemu_rbd_parse_filename,
-    .bdrv_file_open         = qemu_rbd_open,
+    .bdrv_open              = qemu_rbd_open,
     .bdrv_close             = qemu_rbd_close,
     .bdrv_reopen_prepare    = qemu_rbd_reopen_prepare,
     .bdrv_co_create         = qemu_rbd_co_create,
diff --git a/block/ssh.c b/block/ssh.c
index a88171d4b53..1344822ed85 100644
--- a/block/ssh.c
+++ b/block/ssh.c
@@ -1362,7 +1362,7 @@ static BlockDriver bdrv_ssh = {
     .protocol_name                = "ssh",
     .instance_size                = sizeof(BDRVSSHState),
     .bdrv_parse_filename          = ssh_parse_filename,
-    .bdrv_file_open               = ssh_file_open,
+    .bdrv_open                    = ssh_file_open,
     .bdrv_co_create               = ssh_co_create,
     .bdrv_co_create_opts          = ssh_co_create_opts,
     .bdrv_close                   = ssh_close,
diff --git a/block/vvfat.c b/block/vvfat.c
index 9d050ba3aea..086fedf4745 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -3258,7 +3258,7 @@ static BlockDriver bdrv_vvfat = {
     .instance_size          = sizeof(BDRVVVFATState),
 
     .bdrv_parse_filename    = vvfat_parse_filename,
-    .bdrv_file_open         = vvfat_open,
+    .bdrv_open              = vvfat_open,
     .bdrv_refresh_limits    = vvfat_refresh_limits,
     .bdrv_close             = vvfat_close,
     .bdrv_child_perm        = vvfat_child_perm,
-- 
2.45.2