diff options
| -rw-r--r-- | block/blkdebug.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/block/blkdebug.c b/block/blkdebug.c index d12ebbf9f9..59dcea0650 100644 --- a/block/blkdebug.c +++ b/block/blkdebug.c @@ -59,6 +59,7 @@ typedef struct BlkdebugRule { int error; int immediately; int once; + int64_t sector; } inject; struct { int new_state; @@ -85,6 +86,10 @@ static QemuOptsList inject_error_opts = { .type = QEMU_OPT_NUMBER, }, { + .name = "sector", + .type = QEMU_OPT_NUMBER, + }, + { .name = "once", .type = QEMU_OPT_BOOL, }, @@ -213,6 +218,7 @@ static int add_rule(QemuOpts *opts, void *opaque) rule->options.inject.once = qemu_opt_get_bool(opts, "once", 0); rule->options.inject.immediately = qemu_opt_get_bool(opts, "immediately", 0); + rule->options.inject.sector = qemu_opt_get_number(opts, "sector", -1); break; case ACTION_SET_STATE: @@ -343,7 +349,15 @@ static BlockDriverAIOCB *blkdebug_aio_readv(BlockDriverState *bs, BlockDriverCompletionFunc *cb, void *opaque) { BDRVBlkdebugState *s = bs->opaque; - BlkdebugRule *rule = QSIMPLEQ_FIRST(&s->active_rules); + BlkdebugRule *rule = NULL; + + QSIMPLEQ_FOREACH(rule, &s->active_rules, active_next) { + if (rule->options.inject.sector == -1 || + (rule->options.inject.sector >= sector_num && + rule->options.inject.sector < sector_num + nb_sectors)) { + break; + } + } if (rule && rule->options.inject.error) { return inject_error(bs, cb, opaque, rule); @@ -357,7 +371,15 @@ static BlockDriverAIOCB *blkdebug_aio_writev(BlockDriverState *bs, BlockDriverCompletionFunc *cb, void *opaque) { BDRVBlkdebugState *s = bs->opaque; - BlkdebugRule *rule = QSIMPLEQ_FIRST(&s->active_rules); + BlkdebugRule *rule = NULL; + + QSIMPLEQ_FOREACH(rule, &s->active_rules, active_next) { + if (rule->options.inject.sector == -1 || + (rule->options.inject.sector >= sector_num && + rule->options.inject.sector < sector_num + nb_sectors)) { + break; + } + } if (rule && rule->options.inject.error) { return inject_error(bs, cb, opaque, rule); |