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idr: implement idr_preload[_end]() and idr_alloc()
[firefly-linux-kernel-4.4.55.git]
/
include
/
linux
/
exportfs.h
diff --git
a/include/linux/exportfs.h
b/include/linux/exportfs.h
index c7e6b6392ab8e28a92d69b17ea17a88c72a935a3..5b9b5b317180ceff7ac1d3d31e639e66c2f9b80f 100644
(file)
--- a/
include/linux/exportfs.h
+++ b/
include/linux/exportfs.h
@@
-83,6
+83,11
@@
enum fid_type {
* 64 bit parent inode number.
*/
FILEID_NILFS_WITH_PARENT = 0x62,
+
+ /*
+ * Filesystems must not use 0xff file ID.
+ */
+ FILEID_INVALID = 0xff,
};
struct fid {