diff options
Diffstat (limited to 'xlators/features/shard/src/shard.h')
| -rw-r--r-- | xlators/features/shard/src/shard.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/xlators/features/shard/src/shard.h b/xlators/features/shard/src/shard.h index 6bdbcbb9b6e..a90162bf9be 100644 --- a/xlators/features/shard/src/shard.h +++ b/xlators/features/shard/src/shard.h @@ -23,8 +23,9 @@ #define SHARD_ROOT_GFID "be318638-e8a0-4c6d-977d-7a937aa84806" #define SHARD_INODE_LRU_LIMIT 4096 -#define get_lowest_block(off, shard_size) (off / shard_size) -#define get_highest_block(off, len, shard_size) ((off+len-1) / shard_size) +#define get_lowest_block(off, shard_size) ((off) / (shard_size)) +#define get_highest_block(off, len, shard_size) \ + (((((off)+(len)) == 0)?0:((off)+(len)-1)) / (shard_size)) #define SHARD_ENTRY_FOP_CHECK(loc, op_errno, label) do { \ if ((loc->name && !strcmp (GF_SHARD_DIR, loc->name)) && \ |