so that we can use the first bits to derive unique addresses from
i_state.
Signed-off-by: Christian Brauner <brauner@xxxxxxxxxx>
---
include/linux/fs.h | 38 +++++++++++++++++++++-----------------
1 file changed, 21 insertions(+), 17 deletions(-)
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 1d895b8cb801..f257f8fad7d0 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2417,28 +2417,32 @@ static inline void kiocb_clone(struct kiocb *kiocb, struct kiocb *kiocb_src,
* i_count.
*
* Q: What is the difference between I_WILL_FREE and I_FREEING?
+ *
+ * __I_{SYNC,NEW,LRU_ISOLATING} are used to derive unique addresses to wait
+ * upon. There's one free address left.
*/
-#define I_DIRTY_SYNC (1 << 0)
-#define I_DIRTY_DATASYNC (1 << 1)
-#define I_DIRTY_PAGES (1 << 2)
-#define __I_NEW 3
+#define __I_NEW 0
#define I_NEW (1 << __I_NEW)
-#define I_WILL_FREE (1 << 4)
-#define I_FREEING (1 << 5)
-#define I_CLEAR (1 << 6)
-#define __I_SYNC 7
+#define __I_SYNC 1
#define I_SYNC (1 << __I_SYNC)
-#define I_REFERENCED (1 << 8)
+#define __I_LRU_ISOLATING 2
+#define I_LRU_ISOLATING (1 << __I_LRU_ISOLATING)
+
+#define I_DIRTY_SYNC (1 << 3)
+#define I_DIRTY_DATASYNC (1 << 4)
+#define I_DIRTY_PAGES (1 << 5)
+#define I_WILL_FREE (1 << 6)
+#define I_FREEING (1 << 7)
+#define I_CLEAR (1 << 8)
+#define I_REFERENCED (1 << 9)
#define I_LINKABLE (1 << 10)
#define I_DIRTY_TIME (1 << 11)
-#define I_WB_SWITCH (1 << 13)
-#define I_OVL_INUSE (1 << 14)
-#define I_CREATING (1 << 15)
-#define I_DONTCACHE (1 << 16)
-#define I_SYNC_QUEUED (1 << 17)
-#define I_PINNING_NETFS_WB (1 << 18)
-#define __I_LRU_ISOLATING 19
-#define I_LRU_ISOLATING (1 << __I_LRU_ISOLATING)
+#define I_WB_SWITCH (1 << 12)
+#define I_OVL_INUSE (1 << 13)
+#define I_CREATING (1 << 14)
+#define I_DONTCACHE (1 << 15)
+#define I_SYNC_QUEUED (1 << 16)
+#define I_PINNING_NETFS_WB (1 << 17)
#define I_DIRTY_INODE (I_DIRTY_SYNC | I_DIRTY_DATASYNC)
#define I_DIRTY (I_DIRTY_INODE | I_DIRTY_PAGES)
--
2.43.0
