diff options
Diffstat (limited to 'block/file-posix.c')
| -rw-r--r-- | block/file-posix.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/block/file-posix.c b/block/file-posix.c index 66fdb07820..23acffb9a4 100644 --- a/block/file-posix.c +++ b/block/file-posix.c @@ -154,7 +154,6 @@ typedef struct BDRVRawState { bool has_discard:1; bool has_write_zeroes:1; - bool discard_zeroes:1; bool use_linux_aio:1; bool use_linux_io_uring:1; int page_cache_inconsistent; /* errno from fdatasync failure */ @@ -755,7 +754,6 @@ static int raw_open_common(BlockDriverState *bs, QDict *options, ret = -EINVAL; goto fail; } else { - s->discard_zeroes = true; s->has_fallocate = true; } } else { @@ -769,19 +767,12 @@ static int raw_open_common(BlockDriverState *bs, QDict *options, } if (S_ISBLK(st.st_mode)) { -#ifdef BLKDISCARDZEROES - unsigned int arg; - if (ioctl(s->fd, BLKDISCARDZEROES, &arg) == 0 && arg) { - s->discard_zeroes = true; - } -#endif #ifdef __linux__ /* On Linux 3.10, BLKDISCARD leaves stale data in the page cache. Do * not rely on the contents of discarded blocks unless using O_DIRECT. * Same for BLKZEROOUT. */ if (!(bs->open_flags & BDRV_O_NOCACHE)) { - s->discard_zeroes = false; s->has_write_zeroes = false; } #endif @@ -2180,7 +2171,7 @@ static void raw_aio_unplug(BlockDriverState *bs) #endif } -static int raw_co_flush_to_disk(BlockDriverState *bs) +static int coroutine_fn raw_co_flush_to_disk(BlockDriverState *bs) { BDRVRawState *s = bs->opaque; RawPosixAIOData acb; |