diff options
| author | Stefan Hajnoczi <stefanha@redhat.com> | 2018-06-21 09:34:25 +0100 |
|---|---|---|
| committer | Miklos Szeredi <mszeredi@redhat.com> | 2019-09-12 14:59:40 +0200 |
| commit | 14d46d7abc3973a47e8eb0eb5eb87ee8d910a505 (patch) | |
| tree | db6a0ac46537b930744c675a9031464a56b50d77 /fs/fuse | |
| parent | 04ec5af0776e9baefed59891f12adbcb5fa71a23 (diff) | |
| download | linux-stable-14d46d7abc3973a47e8eb0eb5eb87ee8d910a505.tar.gz linux-stable-14d46d7abc3973a47e8eb0eb5eb87ee8d910a505.tar.bz2 linux-stable-14d46d7abc3973a47e8eb0eb5eb87ee8d910a505.zip | |
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 <stefanha@redhat.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'fs/fuse')
| -rw-r--r-- | fs/fuse/dev.c | 9 | ||||
| -rw-r--r-- | 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 */ |