diff options
Diffstat (limited to 'lib/libzpool/kernel.c')
| -rw-r--r-- | lib/libzpool/kernel.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/libzpool/kernel.c b/lib/libzpool/kernel.c index c38efd0aa..0e10c8951 100644 --- a/lib/libzpool/kernel.c +++ b/lib/libzpool/kernel.c @@ -647,7 +647,9 @@ vn_rdwr(int uio, vnode_t *vp, void *addr, ssize_t len, offset_t offset, * To simulate partial disk writes, we split writes into two * system calls so that the process can be killed in between. */ - split = (len > 0 ? rand() % len : 0); + int sectors = len >> SPA_MINBLOCKSHIFT; + split = (sectors > 0 ? rand() % sectors : 0) << + SPA_MINBLOCKSHIFT; rc = pwrite64(vp->v_fd, addr, split, offset); if (rc != -1) { done = rc; |