mirror of
https://gitlab.com/qemu-project/qemu
synced 2024-11-05 20:35:44 +00:00
bdrv: Use "Error" for opening images
Add an Error ** parameter to BlockDriver.bdrv_open and BlockDriver.bdrv_file_open to allow more specific error messages. Signed-off-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
parent
8023090be5
commit
015a1036a7
28 changed files with 67 additions and 37 deletions
4
block.c
4
block.c
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@ -761,7 +761,7 @@ static int bdrv_open_common(BlockDriverState *bs, BlockDriverState *file,
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if (drv->bdrv_file_open) {
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assert(file == NULL);
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assert(drv->bdrv_parse_filename || filename != NULL);
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ret = drv->bdrv_file_open(bs, options, open_flags);
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ret = drv->bdrv_file_open(bs, options, open_flags, NULL);
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} else {
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if (file == NULL) {
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qerror_report(ERROR_CLASS_GENERIC_ERROR, "Can't use '%s' as a "
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@ -771,7 +771,7 @@ static int bdrv_open_common(BlockDriverState *bs, BlockDriverState *file,
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goto free_and_fail;
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}
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bs->file = file;
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ret = drv->bdrv_open(bs, options, open_flags);
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ret = drv->bdrv_open(bs, options, open_flags, NULL);
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}
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if (ret < 0) {
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@ -350,7 +350,8 @@ static QemuOptsList runtime_opts = {
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},
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};
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static int blkdebug_open(BlockDriverState *bs, QDict *options, int flags)
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static int blkdebug_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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BDRVBlkdebugState *s = bs->opaque;
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QemuOpts *opts;
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@ -116,7 +116,8 @@ static QemuOptsList runtime_opts = {
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},
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};
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static int blkverify_open(BlockDriverState *bs, QDict *options, int flags)
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static int blkverify_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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BDRVBlkverifyState *s = bs->opaque;
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QemuOpts *opts;
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@ -108,7 +108,8 @@ static int bochs_probe(const uint8_t *buf, int buf_size, const char *filename)
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return 0;
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}
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static int bochs_open(BlockDriverState *bs, QDict *options, int flags)
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static int bochs_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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BDRVBochsState *s = bs->opaque;
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int i;
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@ -53,7 +53,8 @@ static int cloop_probe(const uint8_t *buf, int buf_size, const char *filename)
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return 0;
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}
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static int cloop_open(BlockDriverState *bs, QDict *options, int flags)
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static int cloop_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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BDRVCloopState *s = bs->opaque;
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uint32_t offsets_size, max_compressed_block_size = 1, i;
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@ -58,7 +58,8 @@ static int cow_probe(const uint8_t *buf, int buf_size, const char *filename)
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return 0;
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}
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static int cow_open(BlockDriverState *bs, QDict *options, int flags)
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static int cow_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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BDRVCowState *s = bs->opaque;
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struct cow_header_v2 cow_header;
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@ -395,7 +395,8 @@ static QemuOptsList runtime_opts = {
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},
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};
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static int curl_open(BlockDriverState *bs, QDict *options, int flags)
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static int curl_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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BDRVCURLState *s = bs->opaque;
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CURLState *state = NULL;
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@ -92,7 +92,8 @@ static int read_uint32(BlockDriverState *bs, int64_t offset, uint32_t *result)
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return 0;
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}
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static int dmg_open(BlockDriverState *bs, QDict *options, int flags)
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static int dmg_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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BDRVDMGState *s = bs->opaque;
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uint64_t info_begin,info_end,last_in_offset,last_out_offset;
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@ -288,7 +288,7 @@ static QemuOptsList runtime_opts = {
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};
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static int qemu_gluster_open(BlockDriverState *bs, QDict *options,
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int bdrv_flags)
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int bdrv_flags, Error **errp)
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{
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BDRVGlusterState *s = bs->opaque;
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int open_flags = O_BINARY;
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@ -1046,7 +1046,8 @@ static QemuOptsList runtime_opts = {
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* We support iscsi url's on the form
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* iscsi://[<username>%<password>@]<host>[:<port>]/<targetname>/<lun>
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*/
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static int iscsi_open(BlockDriverState *bs, QDict *options, int flags)
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static int iscsi_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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IscsiLun *iscsilun = bs->opaque;
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struct iscsi_context *iscsi = NULL;
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@ -1260,7 +1261,7 @@ static int iscsi_create(const char *filename, QEMUOptionParameter *options)
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bs_options = qdict_new();
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qdict_put(bs_options, "filename", qstring_from_str(filename));
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ret = iscsi_open(bs, bs_options, 0);
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ret = iscsi_open(bs, bs_options, 0, NULL);
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QDECREF(bs_options);
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if (ret != 0) {
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@ -453,7 +453,8 @@ static void nbd_teardown_connection(BlockDriverState *bs)
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closesocket(s->sock);
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}
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static int nbd_open(BlockDriverState *bs, QDict *options, int flags)
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static int nbd_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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BDRVNBDState *s = bs->opaque;
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int result;
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@ -68,7 +68,8 @@ static int parallels_probe(const uint8_t *buf, int buf_size, const char *filenam
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return 0;
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}
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static int parallels_open(BlockDriverState *bs, QDict *options, int flags)
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static int parallels_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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BDRVParallelsState *s = bs->opaque;
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int i;
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@ -92,7 +92,8 @@ static int qcow_probe(const uint8_t *buf, int buf_size, const char *filename)
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return 0;
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}
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static int qcow_open(BlockDriverState *bs, QDict *options, int flags)
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static int qcow_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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BDRVQcowState *s = bs->opaque;
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int len, i, shift, ret;
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@ -350,7 +350,8 @@ static QemuOptsList qcow2_runtime_opts = {
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},
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};
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static int qcow2_open(BlockDriverState *bs, QDict *options, int flags)
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static int qcow2_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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BDRVQcowState *s = bs->opaque;
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int len, i, ret = 0;
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@ -1060,7 +1061,7 @@ static void qcow2_invalidate_cache(BlockDriverState *bs)
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qbool_from_int(s->use_lazy_refcounts));
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memset(s, 0, sizeof(BDRVQcowState));
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qcow2_open(bs, options, flags);
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qcow2_open(bs, options, flags, NULL);
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QDECREF(options);
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@ -373,7 +373,8 @@ static void bdrv_qed_rebind(BlockDriverState *bs)
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s->bs = bs;
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}
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static int bdrv_qed_open(BlockDriverState *bs, QDict *options, int flags)
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static int bdrv_qed_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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BDRVQEDState *s = bs->opaque;
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QEDHeader le_header;
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@ -1547,7 +1548,7 @@ static void bdrv_qed_invalidate_cache(BlockDriverState *bs)
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bdrv_qed_close(bs);
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memset(s, 0, sizeof(BDRVQEDState));
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bdrv_qed_open(bs, NULL, bs->open_flags);
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bdrv_qed_open(bs, NULL, bs->open_flags, NULL);
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}
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static int bdrv_qed_check(BlockDriverState *bs, BdrvCheckResult *result,
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@ -335,7 +335,8 @@ fail:
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return ret;
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}
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static int raw_open(BlockDriverState *bs, QDict *options, int flags)
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static int raw_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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BDRVRawState *s = bs->opaque;
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@ -1331,7 +1332,8 @@ static int check_hdev_writable(BDRVRawState *s)
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return 0;
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}
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static int hdev_open(BlockDriverState *bs, QDict *options, int flags)
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static int hdev_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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BDRVRawState *s = bs->opaque;
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int ret;
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@ -1565,7 +1567,8 @@ static BlockDriver bdrv_host_device = {
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};
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#ifdef __linux__
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static int floppy_open(BlockDriverState *bs, QDict *options, int flags)
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static int floppy_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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BDRVRawState *s = bs->opaque;
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int ret;
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@ -1686,7 +1689,8 @@ static BlockDriver bdrv_host_floppy = {
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.bdrv_eject = floppy_eject,
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};
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static int cdrom_open(BlockDriverState *bs, QDict *options, int flags)
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static int cdrom_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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BDRVRawState *s = bs->opaque;
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@ -235,7 +235,8 @@ static QemuOptsList raw_runtime_opts = {
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},
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};
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static int raw_open(BlockDriverState *bs, QDict *options, int flags)
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static int raw_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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BDRVRawState *s = bs->opaque;
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int access_flags;
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@ -532,7 +533,8 @@ static int hdev_probe_device(const char *filename)
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return 0;
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}
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static int hdev_open(BlockDriverState *bs, QDict *options, int flags)
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static int hdev_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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BDRVRawState *s = bs->opaque;
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int access_flags, create_flags;
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@ -135,7 +135,8 @@ static int raw_create(const char *filename, QEMUOptionParameter *options)
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return bdrv_create_file(filename, options);
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}
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static int raw_open(BlockDriverState *bs, QDict *options, int flags)
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static int raw_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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bs->sg = bs->file->sg;
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return 0;
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@ -446,7 +446,8 @@ static QemuOptsList runtime_opts = {
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},
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};
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static int qemu_rbd_open(BlockDriverState *bs, QDict *options, int flags)
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static int qemu_rbd_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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BDRVRBDState *s = bs->opaque;
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char pool[RBD_MAX_POOL_NAME_SIZE];
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@ -1242,7 +1242,8 @@ static QemuOptsList runtime_opts = {
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},
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};
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static int sd_open(BlockDriverState *bs, QDict *options, int flags)
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static int sd_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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int ret, fd;
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uint32_t vid = 0;
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@ -170,7 +170,7 @@ int bdrv_snapshot_goto(BlockDriverState *bs,
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if (bs->file) {
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drv->bdrv_close(bs);
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ret = bdrv_snapshot_goto(bs->file, snapshot_id);
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open_ret = drv->bdrv_open(bs, NULL, bs->open_flags);
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open_ret = drv->bdrv_open(bs, NULL, bs->open_flags, NULL);
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if (open_ret < 0) {
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bdrv_unref(bs->file);
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bs->drv = NULL;
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@ -608,7 +608,8 @@ static int connect_to_ssh(BDRVSSHState *s, QDict *options,
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return ret;
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}
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static int ssh_file_open(BlockDriverState *bs, QDict *options, int bdrv_flags)
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static int ssh_file_open(BlockDriverState *bs, QDict *options, int bdrv_flags,
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Error **errp)
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{
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BDRVSSHState *s = bs->opaque;
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int ret;
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@ -364,7 +364,8 @@ static int vdi_probe(const uint8_t *buf, int buf_size, const char *filename)
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return result;
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}
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static int vdi_open(BlockDriverState *bs, QDict *options, int flags)
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static int vdi_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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BDRVVdiState *s = bs->opaque;
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VdiHeader header;
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@ -715,7 +715,8 @@ exit:
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}
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static int vhdx_open(BlockDriverState *bs, QDict *options, int flags)
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static int vhdx_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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BDRVVHDXState *s = bs->opaque;
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int ret = 0;
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@ -806,7 +806,8 @@ exit:
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return ret;
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}
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static int vmdk_open(BlockDriverState *bs, QDict *options, int flags)
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static int vmdk_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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int ret;
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BDRVVmdkState *s = bs->opaque;
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@ -155,7 +155,8 @@ static int vpc_probe(const uint8_t *buf, int buf_size, const char *filename)
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return 0;
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}
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static int vpc_open(BlockDriverState *bs, QDict *options, int flags)
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static int vpc_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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BDRVVPCState *s = bs->opaque;
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int i;
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@ -1065,7 +1065,8 @@ static void vvfat_parse_filename(const char *filename, QDict *options,
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qdict_put(options, "rw", qbool_from_int(rw));
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}
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static int vvfat_open(BlockDriverState *bs, QDict *options, int flags)
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static int vvfat_open(BlockDriverState *bs, QDict *options, int flags,
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Error **errp)
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{
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BDRVVVFATState *s = bs->opaque;
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int cyls, heads, secs;
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@ -80,8 +80,10 @@ struct BlockDriver {
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void (*bdrv_reopen_commit)(BDRVReopenState *reopen_state);
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void (*bdrv_reopen_abort)(BDRVReopenState *reopen_state);
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int (*bdrv_open)(BlockDriverState *bs, QDict *options, int flags);
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int (*bdrv_file_open)(BlockDriverState *bs, QDict *options, int flags);
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int (*bdrv_open)(BlockDriverState *bs, QDict *options, int flags,
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Error **errp);
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int (*bdrv_file_open)(BlockDriverState *bs, QDict *options, int flags,
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Error **errp);
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int (*bdrv_read)(BlockDriverState *bs, int64_t sector_num,
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uint8_t *buf, int nb_sectors);
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int (*bdrv_write)(BlockDriverState *bs, int64_t sector_num,
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