diff options
Diffstat (limited to 'include/block/nbd.h')
| -rw-r--r-- | include/block/nbd.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/block/nbd.h b/include/block/nbd.h index 747bb0aaeb..df1f804338 100644 --- a/include/block/nbd.h +++ b/include/block/nbd.h @@ -77,6 +77,12 @@ enum { /* Maximum size of a single READ/WRITE data buffer */ #define NBD_MAX_BUFFER_SIZE (32 * 1024 * 1024) +/* Maximum size of an export name. The NBD spec requires 256 and + * suggests that servers support up to 4096, but we stick to only the + * required size so that we can stack-allocate the names, and because + * going larger would require an audit of more code to make sure we + * aren't overflowing some other buffer. */ +#define NBD_MAX_NAME_SIZE 256 ssize_t nbd_wr_syncv(QIOChannel *ioc, struct iovec *iov, |