hw/9pfs: Use the correct signed type for different variables

Signed-off-by: Aneesh Kumar K.V <[email protected]>
diff --git a/trace-events b/trace-events
index 514849a..2918398 100644
--- a/trace-events
+++ b/trace-events
@@ -578,11 +578,11 @@
 v9fs_lcreate_return(uint16_t tag, uint8_t id, int8_t type, int32_t version, int64_t path, int32_t iounit) "tag %d id %d qid={type %d version %d path %"PRId64"} iounit %d"
 v9fs_fsync(uint16_t tag, uint8_t id, int32_t fid, int datasync) "tag %d id %d fid %d datasync %d"
 v9fs_clunk(uint16_t tag, uint8_t id, int32_t fid) "tag %d id %d fid %d"
-v9fs_read(uint16_t tag, uint8_t id, int32_t fid, int64_t off, int32_t max_count) "tag %d id %d fid %d off %"PRId64" max_count %d"
+v9fs_read(uint16_t tag, uint8_t id, int32_t fid, uint64_t off, uint32_t max_count) "tag %d id %d fid %d off %"PRIu64" max_count %u"
 v9fs_read_return(uint16_t tag, uint8_t id, int32_t count, ssize_t err) "tag %d id %d count %d err %zd"
-v9fs_readdir(uint16_t tag, uint8_t id, int32_t fid, int64_t offset, int32_t max_count) "tag %d id %d fid %d offset %"PRId64" max_count %d"
-v9fs_readdir_return(uint16_t tag, uint8_t id, int32_t count, ssize_t retval) "tag %d id %d count %d retval %zd"
-v9fs_write(uint16_t tag, uint8_t id, int32_t fid, int64_t off, int32_t count, int cnt) "tag %d id %d fid %d off %"PRId64" count %d cnt %d"
+v9fs_readdir(uint16_t tag, uint8_t id, int32_t fid, uint64_t offset, uint32_t max_count) "tag %d id %d fid %d offset %"PRIu64" max_count %u"
+v9fs_readdir_return(uint16_t tag, uint8_t id, uint32_t count, ssize_t retval) "tag %d id %d count %u retval %zd"
+v9fs_write(uint16_t tag, uint8_t id, int32_t fid, uint64_t off, uint32_t count, int cnt) "tag %d id %d fid %d off %"PRIu64" count %u cnt %d"
 v9fs_write_return(uint16_t tag, uint8_t id, int32_t total, ssize_t err) "tag %d id %d total %d err %zd"
 v9fs_create(uint16_t tag, uint8_t id, int32_t fid, char* name, int32_t perm, int8_t mode) "tag %d id %d fid %d name %s perm %d mode %d"
 v9fs_create_return(uint16_t tag, uint8_t id, int8_t type, int32_t version, int64_t path, int iounit) "tag %d id %d qid={type %d version %d path %"PRId64"} iounit %d"