add documentation for cow_chunksize=

Signed-off-by: Christian Hesse <mail@eworm.de>
2015-01-02 11:23:45 +01:00 · 2015-01-02 11:23:45 +01:00 · fe29d5f334
commit fe29d5f334
parent 156b9a6093
1 changed files with 3 additions and 0 deletions
--- a/docs/README.bootparams
+++ b/docs/README.bootparams
@ -44,6 +44,9 @@ INDEX
                    The argument is an integer and optional unit.
                    Units are M,G (powers of 1024).
                    Default: "256M"
+* cow_chunksize=    Set chunksize used for dm-snapshot. This is number
+                    of 512 byte blocks to write at once.
+		    Default: "8"
 * copytoram_size=   Set the size of tmpfs. This space is used for
                    airootfs.sfs image if copytoram=y.
                    Size is in bytes (suffix with "k", "m" and "g") or