diff options
Diffstat (limited to 'include/block')
| -rw-r--r-- | include/block/block_int.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/include/block/block_int.h b/include/block/block_int.h index 30a9717..2e9c81f 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -328,11 +328,13 @@ typedef struct BlockLimits { /* optimal alignment for discard requests in sectors */ int64_t discard_alignment; - /* maximum number of sectors that can zeroized at once */ - int max_write_zeroes; + /* maximum number of bytes that can zeroized at once (since it is + * signed, it must be < 2G, if set) */ + int32_t max_pwrite_zeroes; - /* optimal alignment for write zeroes requests in sectors */ - int64_t write_zeroes_alignment; + /* optimal alignment for write zeroes requests in bytes, must be + * power of 2, and less than max_pwrite_zeroes if that is set */ + uint32_t pwrite_zeroes_alignment; /* optimal transfer length in sectors */ int opt_transfer_length; |