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authorSuresh Jayaraman <sjayaraman@suse.de>2010-08-05 18:52:21 +0530
committerSteve French <sfrench@us.ibm.com>2010-08-11 17:11:28 +0000
commit3694b91a59c3bc784735574878d36652dfd623c2 (patch)
tree1b322b8a21d0da31032a24886216f0d78cb7124d
parent5af568cbd55f60b5a1d174f621b273e4f585dc35 (diff)
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cifs: update README to include details about 'fsc' option
Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de> Signed-off-by: Steve French <sfrench@us.ibm.com>
-rw-r--r--fs/cifs/README10
1 files changed, 10 insertions, 0 deletions
diff --git a/fs/cifs/README b/fs/cifs/README
index a7081ee..7099a52 100644
--- a/fs/cifs/README
+++ b/fs/cifs/README
@@ -301,6 +301,16 @@ A partial list of the supported mount options follows:
gid Set the default gid for inodes (similar to above).
file_mode If CIFS Unix extensions are not supported by the server
this overrides the default mode for file inodes.
+ fsc Enable local disk caching using FS-Cache (off by default). This
+ option could be useful to improve performance on a slow link,
+ heavily loaded server and/or network where reading from the
+ disk is faster than reading from the server (over the network).
+ This could also impact scalability positively as the
+ number of calls to the server are reduced. However, local
+ caching is not suitable for all workloads for e.g. read-once
+ type workloads. So, you need to consider carefully your
+ workload/scenario before using this option. Currently, local
+ disk caching is functional for CIFS files opened as read-only.
dir_mode If CIFS Unix extensions are not supported by the server
this overrides the default mode for directory inodes.
port attempt to contact the server on this tcp port, before
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