diff options
| -rw-r--r-- | block/file-posix.c | 77 |
1 files changed, 1 insertions, 76 deletions
diff --git a/block/file-posix.c b/block/file-posix.c index 87c5a4ccbd..f683a36c8a 100644 --- a/block/file-posix.c +++ b/block/file-posix.c @@ -1459,59 +1459,6 @@ out: } } -#ifdef CONFIG_XFS -static int xfs_write_zeroes(BDRVRawState *s, int64_t offset, uint64_t bytes) -{ - int64_t len; - struct xfs_flock64 fl; - int err; - - len = lseek(s->fd, 0, SEEK_END); - if (len < 0) { - return -errno; - } - - if (offset + bytes > len) { - /* XFS_IOC_ZERO_RANGE does not increase the file length */ - if (ftruncate(s->fd, offset + bytes) < 0) { - return -errno; - } - } - - memset(&fl, 0, sizeof(fl)); - fl.l_whence = SEEK_SET; - fl.l_start = offset; - fl.l_len = bytes; - - if (xfsctl(NULL, s->fd, XFS_IOC_ZERO_RANGE, &fl) < 0) { - err = errno; - trace_file_xfs_write_zeroes(strerror(errno)); - return -err; - } - - return 0; -} - -static int xfs_discard(BDRVRawState *s, int64_t offset, uint64_t bytes) -{ - struct xfs_flock64 fl; - int err; - - memset(&fl, 0, sizeof(fl)); - fl.l_whence = SEEK_SET; - fl.l_start = offset; - fl.l_len = bytes; - - if (xfsctl(NULL, s->fd, XFS_IOC_UNRESVSP64, &fl) < 0) { - err = errno; - trace_file_xfs_discard(strerror(errno)); - return -err; - } - - return 0; -} -#endif - static int translate_err(int err) { if (err == -ENODEV || err == -ENOSYS || err == -EOPNOTSUPP || @@ -1567,10 +1514,8 @@ static ssize_t handle_aiocb_write_zeroes_block(RawPosixAIOData *aiocb) static int handle_aiocb_write_zeroes(void *opaque) { RawPosixAIOData *aiocb = opaque; -#if defined(CONFIG_FALLOCATE) || defined(CONFIG_XFS) - BDRVRawState *s = aiocb->bs->opaque; -#endif #ifdef CONFIG_FALLOCATE + BDRVRawState *s = aiocb->bs->opaque; int64_t len; #endif @@ -1578,12 +1523,6 @@ static int handle_aiocb_write_zeroes(void *opaque) return handle_aiocb_write_zeroes_block(aiocb); } -#ifdef CONFIG_XFS - if (s->is_xfs) { - return xfs_write_zeroes(s, aiocb->aio_offset, aiocb->aio_nbytes); - } -#endif - #ifdef CONFIG_FALLOCATE_ZERO_RANGE if (s->has_write_zeroes) { int ret = do_fallocate(s->fd, FALLOC_FL_ZERO_RANGE, @@ -1653,14 +1592,6 @@ static int handle_aiocb_write_zeroes_unmap(void *opaque) } #endif -#ifdef CONFIG_XFS - if (s->is_xfs) { - /* xfs_discard() guarantees that the discarded area reads as all-zero - * afterwards, so we can use it here. */ - return xfs_discard(s, aiocb->aio_offset, aiocb->aio_nbytes); - } -#endif - /* If we couldn't manage to unmap while guaranteed that the area reads as * all-zero afterwards, just write zeroes without unmapping */ ret = handle_aiocb_write_zeroes(aiocb); @@ -1737,12 +1668,6 @@ static int handle_aiocb_discard(void *opaque) ret = -errno; #endif } else { -#ifdef CONFIG_XFS - if (s->is_xfs) { - return xfs_discard(s, aiocb->aio_offset, aiocb->aio_nbytes); - } -#endif - #ifdef CONFIG_FALLOCATE_PUNCH_HOLE ret = do_fallocate(s->fd, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, aiocb->aio_offset, aiocb->aio_nbytes); |