2901 ZFS receive fails for exabyte sparse files

Reviewed by: Matthew Ahrens <[email protected]> Approved by: Dan McDonald <[email protected]>
illumos · Jun 22, 2012 · 534029e · 534029e
1 parent 2e3183c
commit 534029e
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/usr/src/uts/common/fs/zfs/dmu_send.c b/usr/src/uts/common/fs/zfs/dmu_send.c
@@ -77,6 +77,9 @@ dump_free(dmu_sendarg_t *dsp, uint64_t object, uint64_t offset,
 {
 	struct drr_free *drrf = &(dsp->dsa_drr->drr_u.drr_free);
 
+	if (length != -1ULL && offset + length < offset)
+		length = -1ULL;
+
 	/*
 	 * If there is a pending op, but it's not PENDING_FREE, push it out,
 	 * since free block aggregation can only be done for blocks of the