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-rw-r--r--fs/cifs/README9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/cifs/README b/fs/cifs/README
index ee68d1036544..46af99ab3614 100644
--- a/fs/cifs/README
+++ b/fs/cifs/README
@@ -337,6 +337,15 @@ A partial list of the supported mount options follows:
wsize default write size (default 57344)
maximum wsize currently allowed by CIFS is 57344 (fourteen
4096 byte pages)
+ actimeo=n attribute cache timeout in seconds (default 1 second).
+ After this timeout, the cifs client requests fresh attribute
+ information from the server. This option allows to tune the
+ attribute cache timeout to suit the workload needs. Shorter
+ timeouts mean better the cache coherency, but increased number
+ of calls to the server. Longer timeouts mean reduced number
+ of calls to the server at the expense of less stricter cache
+ coherency checks (i.e. incorrect attribute cache for a short
+ period of time).
rw mount the network share read-write (note that the
server may still consider the share read-only)
ro mount network share read-only