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-rw-r--r--Documentation/ABI/testing/procfs-diskstats5
1 files changed, 5 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/procfs-diskstats b/Documentation/ABI/testing/procfs-diskstats
index 2c44b4f1b060..70dcaf2481f4 100644
--- a/Documentation/ABI/testing/procfs-diskstats
+++ b/Documentation/ABI/testing/procfs-diskstats
@@ -29,4 +29,9 @@ Description:
17 - sectors discarded
18 - time spent discarding
+ Kernel 5.5+ appends two more fields for flush requests:
+
+ 19 - flush requests completed successfully
+ 20 - time spent flushing
+
For more details refer to Documentation/admin-guide/iostats.rst