diff options
Diffstat (limited to 'block.c')
-rw-r--r-- | block.c | 24 |
1 files changed, 7 insertions, 17 deletions
@@ -972,7 +972,6 @@ static int bdrv_open_common(BlockDriverState *bs, BlockDriverState *file, bs->zero_beyond_eof = true; open_flags = bdrv_open_flags(bs, flags); bs->read_only = !(open_flags & BDRV_O_RDWR); - bs->growable = !!(flags & BDRV_O_PROTOCOL); if (use_bdrv_whitelist && !bdrv_is_whitelisted(drv, bs->read_only)) { error_setg(errp, @@ -1886,7 +1885,6 @@ void bdrv_close(BlockDriverState *bs) bs->encrypted = 0; bs->valid_key = 0; bs->sg = 0; - bs->growable = 0; bs->zero_beyond_eof = false; QDECREF(bs->options); bs->options = NULL; @@ -2646,25 +2644,17 @@ exit: static int bdrv_check_byte_request(BlockDriverState *bs, int64_t offset, size_t size) { - int64_t len; - if (size > BDRV_REQUEST_MAX_SECTORS << BDRV_SECTOR_BITS) { return -EIO; } - if (!bdrv_is_inserted(bs)) + if (!bdrv_is_inserted(bs)) { return -ENOMEDIUM; + } - if (bs->growable) - return 0; - - len = bdrv_getlength(bs); - - if (offset < 0) - return -EIO; - - if ((offset > len) || (len - offset < size)) + if (offset < 0) { return -EIO; + } return 0; } @@ -3043,10 +3033,10 @@ static int coroutine_fn bdrv_aligned_preadv(BlockDriverState *bs, } /* Forward the request to the BlockDriver */ - if (!(bs->zero_beyond_eof && bs->growable)) { + if (!bs->zero_beyond_eof) { ret = drv->bdrv_co_readv(bs, sector_num, nb_sectors, qiov); } else { - /* Read zeros after EOF of growable BDSes */ + /* Read zeros after EOF */ int64_t total_sectors, max_nb_sectors; total_sectors = bdrv_nb_sectors(bs); @@ -3323,7 +3313,7 @@ static int coroutine_fn bdrv_aligned_pwritev(BlockDriverState *bs, block_acct_highest_sector(&bs->stats, sector_num, nb_sectors); - if (bs->growable && ret >= 0) { + if (ret >= 0) { bs->total_sectors = MAX(bs->total_sectors, sector_num + nb_sectors); } |