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
 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
 
 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
                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:
 
                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.
                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