diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/blkdebug.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/block/blkdebug.c b/block/blkdebug.c index c8f8d56758..2c03698f93 100644 --- a/block/blkdebug.c +++ b/block/blkdebug.c @@ -364,6 +364,11 @@ static QemuOptsList runtime_opts = { .type = QEMU_OPT_STRING, .help = "[internal use only, will be removed]", }, + { + .name = "align", + .type = QEMU_OPT_SIZE, + .help = "Required alignment in bytes", + }, { /* end of list */ } }, }; @@ -375,6 +380,7 @@ static int blkdebug_open(BlockDriverState *bs, QDict *options, int flags, QemuOpts *opts; Error *local_err = NULL; const char *config; + uint64_t align; int ret; opts = qemu_opts_create(&runtime_opts, NULL, 0, &error_abort); @@ -403,6 +409,16 @@ static int blkdebug_open(BlockDriverState *bs, QDict *options, int flags, goto fail; } + /* Set request alignment */ + align = qemu_opt_get_size(opts, "align", bs->request_alignment); + if (align > 0 && align < INT_MAX && !(align & (align - 1))) { + bs->request_alignment = align; + } else { + error_setg(errp, "Invalid alignment"); + ret = -EINVAL; + goto fail; + } + ret = 0; fail: qemu_opts_del(opts); |