diff options
Diffstat (limited to 'block/qed.h')
-rw-r--r-- | block/qed.h | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/block/qed.h b/block/qed.h index 2925e37b1c..1d1421fee1 100644 --- a/block/qed.h +++ b/block/qed.h @@ -161,6 +161,7 @@ typedef struct { enum { QED_CLUSTER_FOUND, /* cluster found */ + QED_CLUSTER_ZERO, /* zero cluster found */ QED_CLUSTER_L2, /* cluster missing in L2 */ QED_CLUSTER_L1, /* cluster missing in L1 */ }; @@ -251,7 +252,7 @@ static inline uint64_t qed_offset_into_cluster(BDRVQEDState *s, uint64_t offset) return offset & (s->header.cluster_size - 1); } -static inline unsigned int qed_bytes_to_clusters(BDRVQEDState *s, size_t bytes) +static inline uint64_t qed_bytes_to_clusters(BDRVQEDState *s, uint64_t bytes) { return qed_start_of_cluster(s, bytes + (s->header.cluster_size - 1)) / (s->header.cluster_size - 1); @@ -298,4 +299,29 @@ static inline bool qed_check_table_offset(BDRVQEDState *s, uint64_t offset) qed_check_cluster_offset(s, end_offset); } +static inline bool qed_offset_is_cluster_aligned(BDRVQEDState *s, + uint64_t offset) +{ + if (qed_offset_into_cluster(s, offset)) { + return false; + } + return true; +} + +static inline bool qed_offset_is_unalloc_cluster(uint64_t offset) +{ + if (offset == 0) { + return true; + } + return false; +} + +static inline bool qed_offset_is_zero_cluster(uint64_t offset) +{ + if (offset == 1) { + return true; + } + return false; +} + #endif /* BLOCK_QED_H */ |