Merge tag 'fscache-next-20210829' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6-microblaze.git] / Documentation / admin-guide / device-mapper / writecache.rst

diff --git a/Documentation/admin-guide/device-mapper/writecache.rst b/Documentation/admin-guide/device-mapper/writecache.rst
index 65427d8..1042977 100644 (file)
--- a/Documentation/admin-guide/device-mapper/writecache.rst
+++ b/Documentation/admin-guide/device-mapper/writecache.rst
@@ -78,13 +78,23 @@ Status:
 2. the number of blocks
 3. the number of free blocks
 4. the number of blocks under writeback
+5. the number of read requests
+6. the number of read requests that hit the cache
+7. the number of write requests
+8. the number of write requests that hit uncommitted block
+9. the number of write requests that hit committed block
+10. the number of write requests that bypass the cache
+11. the number of write requests that are allocated in the cache
+12. the number of write requests that are blocked on the freelist
+13. the number of flush requests
+14. the number of discard requests
 
 Messages:
        flush
-               flush the cache device. The message returns successfully
+               Flush the cache device. The message returns successfully
                if the cache device was flushed without an error
        flush_on_suspend
-               flush the cache device on next suspend. Use this message
+               Flush the cache device on next suspend. Use this message
                when you are going to remove the cache device. The proper
                sequence for removing the cache device is:
 
@@ -98,3 +108,5 @@ Messages:
                6. the cache device is now inactive and it can be deleted
        cleaner
                See above "cleaner" constructor documentation.
+       clear_stats
+               Clear the statistics that are reported on the status line