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cifs: update README to include details about 'fsc' option

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Signed-off-by: Suresh Jayaraman <sjayaraman@suse.de>
Signed-off-by: Steve French <sfrench@us.ibm.com>
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Suresh Jayaraman 2010-08-05 18:52:21 +05:30 committed by Steve French
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fs/cifs/README
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@ -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