diff options
Diffstat (limited to 'include/fuse_lowlevel.h')
| -rw-r--r-- | include/fuse_lowlevel.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/fuse_lowlevel.h b/include/fuse_lowlevel.h index 844ee71..dc4ec07 100644 --- a/include/fuse_lowlevel.h +++ b/include/fuse_lowlevel.h @@ -2367,6 +2367,24 @@ int fuse_session_receive_buf(struct fuse_session *se, struct fuse_buf *buf); */ bool fuse_req_is_uring(fuse_req_t req); +/** + * Get the payload of a request + * (for requests submitted through fuse-io-uring only) + * + * This is useful for a file system that wants to write data directly + * to the request buffer. With io-uring the req is the buffer owner + * and the file system can write directly to the buffer and avoid + * extra copying. For example useful for network file systems. + * + * @param req the request + * @param payload pointer to the payload + * @param payload_sz size of the payload + * @param mr memory registration handle, currently unused + * @return 0 on success, -errno on failure + */ +int fuse_req_get_payload(fuse_req_t req, char **payload, size_t *payload_sz, + void **mr); + #ifdef __cplusplus } #endif |