diff options
| -rw-r--r-- | block.c | 6 | ||||
| -rw-r--r-- | include/block/block.h | 4 |
2 files changed, 6 insertions, 4 deletions
@@ -3877,9 +3877,9 @@ typedef struct BdrvCoGetBlockStatusData { } BdrvCoGetBlockStatusData; /* - * Returns true iff the specified sector is present in the disk image. Drivers - * not implementing the functionality are assumed to not support backing files, - * hence all their sectors are reported as allocated. + * Returns the allocation status of the specified sectors. + * Drivers not implementing the functionality are assumed to not support + * backing files, hence all their sectors are reported as allocated. * * If 'sector_num' is beyond the end of the disk image the return value is 0 * and 'pnum' is set to 0. diff --git a/include/block/block.h b/include/block/block.h index 341054d..603d4b4 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -83,7 +83,9 @@ typedef enum { #define BDRV_SECTOR_SIZE (1ULL << BDRV_SECTOR_BITS) #define BDRV_SECTOR_MASK ~(BDRV_SECTOR_SIZE - 1) -/* BDRV_BLOCK_DATA: data is read from bs->file or another file +/* + * Allocation status flags + * BDRV_BLOCK_DATA: data is read from bs->file or another file * BDRV_BLOCK_ZERO: sectors read as zero * BDRV_BLOCK_OFFSET_VALID: sector stored in bs->file as raw data * BDRV_BLOCK_ALLOCATED: the content of the block is determined by this |
