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--- block/export/fuse.c.orig 2023-12-19 21:24:34 UTC
+++ block/export/fuse.c
@@ -690,12 +690,6 @@ static void fuse_fallocate(fuse_req_t req, fuse_ino_t
return;
}
-#ifdef CONFIG_FALLOCATE_PUNCH_HOLE
- if (mode & FALLOC_FL_KEEP_SIZE) {
- length = MIN(length, blk_len - offset);
- }
-#endif /* CONFIG_FALLOCATE_PUNCH_HOLE */
-
if (!mode) {
/* We can only fallocate at the EOF with a truncate */
if (offset < blk_len) {
@@ -715,53 +709,6 @@ static void fuse_fallocate(fuse_req_t req, fuse_ino_t
ret = fuse_do_truncate(exp, offset + length, true,
PREALLOC_MODE_FALLOC);
}
-#ifdef CONFIG_FALLOCATE_PUNCH_HOLE
- else if (mode & FALLOC_FL_PUNCH_HOLE) {
- if (!(mode & FALLOC_FL_KEEP_SIZE)) {
- fuse_reply_err(req, EINVAL);
- return;
- }
-
- do {
- int size = MIN(length, BDRV_REQUEST_MAX_BYTES);
-
- ret = blk_pwrite_zeroes(exp->common.blk, offset, size,
- BDRV_REQ_MAY_UNMAP | BDRV_REQ_NO_FALLBACK);
- if (ret == -ENOTSUP) {
- /*
- * fallocate() specifies to return EOPNOTSUPP for unsupported
- * operations
- */
- ret = -EOPNOTSUPP;
- }
-
- offset += size;
- length -= size;
- } while (ret == 0 && length > 0);
- }
-#endif /* CONFIG_FALLOCATE_PUNCH_HOLE */
-#ifdef CONFIG_FALLOCATE_ZERO_RANGE
- else if (mode & FALLOC_FL_ZERO_RANGE) {
- if (!(mode & FALLOC_FL_KEEP_SIZE) && offset + length > blk_len) {
- /* No need for zeroes, we are going to write them ourselves */
- ret = fuse_do_truncate(exp, offset + length, false,
- PREALLOC_MODE_OFF);
- if (ret < 0) {
- fuse_reply_err(req, -ret);
- return;
- }
- }
-
- do {
- int size = MIN(length, BDRV_REQUEST_MAX_BYTES);
-
- ret = blk_pwrite_zeroes(exp->common.blk,
- offset, size, 0);
- offset += size;
- length -= size;
- } while (ret == 0 && length > 0);
- }
-#endif /* CONFIG_FALLOCATE_ZERO_RANGE */
else {
ret = -EOPNOTSUPP;
}
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