link() is documented to return EPERM when a filesystem doesn't support the operation, return that instead. Link: https://github.com/libfuse/libfuse/issues/925 Signed-off-by: Matt Johnston <matt@xxxxxxxxxxxxxxxxxxxx> --- fs/fuse/dir.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index 198862b086ff7bad4007ec2f3200377d12a78385..f07ccaefd1ecfe02b806c30fa9edc6f481260ee8 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -1137,6 +1137,8 @@ static int fuse_link(struct dentry *entry, struct inode *newdir, else if (err == -EINTR) fuse_invalidate_attr(inode); + if (err == -ENOSYS) + err = -EPERM; return err; } --- base-commit: 68763b29e0a6441f57f9ee652bbf8e7bc59183e5 change-id: 20250214-fuse-link-eperm-544b081eac34 Best regards, -- Matt Johnston <matt@xxxxxxxxxxxxxxxxxxxx>
