diff options
Diffstat (limited to 'fs/fuse/passthrough.c')
| -rw-r--r-- | fs/fuse/passthrough.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/fs/fuse/passthrough.c b/fs/fuse/passthrough.c index 2b119c592f02..1567f0323858 100644 --- a/fs/fuse/passthrough.c +++ b/fs/fuse/passthrough.c @@ -124,6 +124,22 @@ ssize_t fuse_passthrough_splice_write(struct pipe_inode_info *pipe, return ret; } +ssize_t fuse_passthrough_mmap(struct file *file, struct vm_area_struct *vma) +{ + struct fuse_file *ff = file->private_data; + struct file *backing_file = fuse_file_passthrough(ff); + struct backing_file_ctx ctx = { + .cred = ff->cred, + .user_file = file, + .accessed = fuse_file_accessed, + }; + + pr_debug("%s: backing_file=0x%p, start=%lu, end=%lu\n", __func__, + backing_file, vma->vm_start, vma->vm_end); + + return backing_file_mmap(backing_file, vma, &ctx); +} + struct fuse_backing *fuse_backing_get(struct fuse_backing *fb) { if (fb && refcount_inc_not_zero(&fb->count)) |