diff options
Diffstat (limited to 'module/zfs/space_map.c')
| -rw-r--r-- | module/zfs/space_map.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/module/zfs/space_map.c b/module/zfs/space_map.c index d9cd8767e..b9467b26b 100644 --- a/module/zfs/space_map.c +++ b/module/zfs/space_map.c @@ -23,7 +23,7 @@ * Use is subject to license terms. */ /* - * Copyright (c) 2012, 2018 by Delphix. All rights reserved. + * Copyright (c) 2012, 2019 by Delphix. All rights reserved. */ #include <sys/zfs_context.h> @@ -1067,3 +1067,11 @@ space_map_length(space_map_t *sm) { return (sm != NULL ? sm->sm_phys->smp_length : 0); } + +uint64_t +space_map_nblocks(space_map_t *sm) +{ + if (sm == NULL) + return (0); + return (DIV_ROUND_UP(space_map_length(sm), sm->sm_blksz)); +} |