This is to know the size of the overall copy. Signed-off-by: Bernd Schubert <bschubert@xxxxxxx> --- fs/fuse/dev.c | 13 ++++++++++++- fs/fuse/fuse_dev_i.h | 5 +++++ 2 files changed, 17 insertions(+), 1 deletion(-) diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index 9e012c902df2..71443a93f1d4 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -745,6 +745,9 @@ static int fuse_copy_do(struct fuse_copy_state *cs, void **val, unsigned *size) *size -= ncpy; cs->len -= ncpy; cs->offset += ncpy; + if (cs->is_uring) + cs->ring.offset += ncpy; + return ncpy; } @@ -1863,7 +1866,15 @@ static struct fuse_req *request_find(struct fuse_pqueue *fpq, u64 unique) int fuse_copy_out_args(struct fuse_copy_state *cs, struct fuse_args *args, unsigned nbytes) { - unsigned reqsize = sizeof(struct fuse_out_header); + + unsigned int reqsize = 0; + + /* + * Uring has the out header outside of args + * XXX: This uring exception will probably change + */ + if (!cs->is_uring) + reqsize = sizeof(struct fuse_out_header); reqsize += fuse_len_args(args->out_numargs, args->out_args); diff --git a/fs/fuse/fuse_dev_i.h b/fs/fuse/fuse_dev_i.h index 0fc7a0ff7b1c..0fbb4f28261c 100644 --- a/fs/fuse/fuse_dev_i.h +++ b/fs/fuse/fuse_dev_i.h @@ -28,6 +28,11 @@ struct fuse_copy_state { unsigned int len; unsigned int offset; unsigned int move_pages:1; + unsigned int is_uring:1; + struct { + /* overall offset with the user buffer */ + unsigned int offset; + } ring; }; static inline struct fuse_dev *fuse_get_dev(struct file *file) -- 2.43.0