From 14d46d7abc3973a47e8eb0eb5eb87ee8d910a505 Mon Sep 17 00:00:00 2001 From: Stefan Hajnoczi Date: Thu, 21 Jun 2018 09:34:25 +0100 Subject: [PATCH] fuse: export fuse_len_args() virtio-fs will need to query the length of fuse_arg lists. Make the symbol visible. Signed-off-by: Stefan Hajnoczi Signed-off-by: Miklos Szeredi --- fs/fuse/dev.c | 9 +++++---- fs/fuse/fuse_i.h | 5 +++++ 2 files changed, 10 insertions(+), 4 deletions(-) diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index 2696f000df67..8f36e6485bb2 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -177,7 +177,7 @@ static void fuse_put_request(struct fuse_conn *fc, struct fuse_req *req) } EXPORT_SYMBOL_GPL(fuse_put_request); -static unsigned len_args(unsigned numargs, struct fuse_arg *args) +unsigned int fuse_len_args(unsigned int numargs, struct fuse_arg *args) { unsigned nbytes = 0; unsigned i; @@ -187,6 +187,7 @@ static unsigned len_args(unsigned numargs, struct fuse_arg *args) return nbytes; } +EXPORT_SYMBOL_GPL(fuse_len_args); static u64 fuse_get_unique(struct fuse_iqueue *fiq) { @@ -202,8 +203,8 @@ static unsigned int fuse_req_hash(u64 unique) static void queue_request(struct fuse_iqueue *fiq, struct fuse_req *req) { req->in.h.len = sizeof(struct fuse_in_header) + - len_args(req->args->in_numargs, - (struct fuse_arg *) req->args->in_args); + fuse_len_args(req->args->in_numargs, + (struct fuse_arg *) req->args->in_args); list_add_tail(&req->list, &fiq->pending); wake_up(&fiq->waitq); kill_fasync(&fiq->fasync, SIGIO, POLL_IN); @@ -1779,7 +1780,7 @@ static int copy_out_args(struct fuse_copy_state *cs, struct fuse_args *args, { unsigned reqsize = sizeof(struct fuse_out_header); - reqsize += len_args(args->out_numargs, args->out_args); + reqsize += fuse_len_args(args->out_numargs, args->out_args); if (reqsize < nbytes || (reqsize > nbytes && !args->out_argvar)) return -EINVAL; diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index 5c50d3da1b0d..39ef981a618c 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -971,4 +971,9 @@ int fuse_set_acl(struct inode *inode, struct posix_acl *acl, int type); /* readdir.c */ int fuse_readdir(struct file *file, struct dir_context *ctx); +/** + * Return the number of bytes in an arguments list + */ +unsigned int fuse_len_args(unsigned int numargs, struct fuse_arg *args); + #endif /* _FS_FUSE_I_H */