diff options
| -rw-r--r-- | block/vvfat.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/block/vvfat.c b/block/vvfat.c index 131680f6f4..a310ce8c3e 100644 --- a/block/vvfat.c +++ b/block/vvfat.c @@ -27,6 +27,7 @@ #include "qemu-common.h" #include "block_int.h" #include "module.h" +#include "migration.h" #ifndef S_IWGRP #define S_IWGRP 0 @@ -350,6 +351,8 @@ typedef struct BDRVVVFATState { array_t commits; const char* path; int downcase_short_names; + + Error *migration_blocker; } BDRVVVFATState; /* take the sector position spos and convert it to Cylinder/Head/Sector position @@ -1073,6 +1076,15 @@ DLOG(if (stderr == NULL) { // assert(is_consistent(s)); qemu_co_mutex_init(&s->lock); + + /* Disable migration when vvfat is used rw */ + if (s->qcow) { + error_set(&s->migration_blocker, + QERR_BLOCK_FORMAT_FEATURE_NOT_SUPPORTED, + "vvfat (rw)", bs->device_name, "live migration"); + migrate_add_blocker(s->migration_blocker); + } + return 0; } @@ -2829,6 +2841,11 @@ static void vvfat_close(BlockDriverState *bs) array_free(&(s->directory)); array_free(&(s->mapping)); g_free(s->cluster_buffer); + + if (s->qcow) { + migrate_del_blocker(s->migration_blocker); + error_free(s->migration_blocker); + } } static BlockDriver bdrv_vvfat = { |