nfsd4: helper function for getting mounted_on ino (ae7095a7) · Commits · e / devices / android_kernel_teracube_2e

fs/nfsd/nfs4xdr.c

+18 −12

Original line number	Diff line number	Diff line
		@@ -2014,6 +2014,22 @@ static __be32 fattr_handle_absent_fs(u32 bmval0, u32 bmval1, u32 *rdattr_err)
		return 0;
		}


		static int get_parent_attributes(struct svc_export exp, struct kstat stat)
		{
		struct path path = exp->ex_path;
		int err;

		path_get(&path);
		while (follow_up(&path)) {
		if (path.dentry != path.mnt->mnt_root)
		break;
		}
		err = vfs_getattr(path.mnt, path.dentry, stat);
		path_put(&path);
		return err;
		}

		/*
		* Note: @fhp can be NULL; in this case, we might have to compose the filehandle
		* ourselves.
		@@ -2430,18 +2446,8 @@ nfsd4_encode_fattr(struct svc_fh fhp, struct svc_export exp,
		* and this is the root of a cross-mounted filesystem.
		*/
		if (ignore_crossmnt == 0 &&
		dentry == exp->ex_path.mnt->mnt_root) {
		struct path path = exp->ex_path;
		path_get(&path);
		while (follow_up(&path)) {
		if (path.dentry != path.mnt->mnt_root)
		break;
		}
		err = vfs_getattr(path.mnt, path.dentry, &stat);
		path_put(&path);
		if (err)
		goto out_nfserr;
		}
		dentry == exp->ex_path.mnt->mnt_root)
		get_parent_attributes(exp, &stat);
		WRITE64(stat.ino);
		}
		if (bmval2 & FATTR4_WORD2_SUPPATTR_EXCLCREAT) {