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authorSteve French <sfrench@us.ibm.com>2007-06-24 18:30:48 +0000
committerSteve French <sfrench@us.ibm.com>2007-06-24 18:30:48 +0000
commit75865f8cc8b38c30c3923b74de4b29a00cc4c0e4 (patch)
treeec4c6322e739362f4b666fbe0fccbb14c4baaaa7 /fs/cifs/README
parent75154f402ef18e459ff97ddece25656b6c2b329c (diff)
downloadlinux-75865f8cc8b38c30c3923b74de4b29a00cc4c0e4.tar.bz2
[CIFS] Add in some missing flags and cifs README and TODO corrections
Signed-off-by: Steve French <sfrench@us.ibm.com>
Diffstat (limited to 'fs/cifs/README')
-rw-r--r--fs/cifs/README25
1 files changed, 18 insertions, 7 deletions
diff --git a/fs/cifs/README b/fs/cifs/README
index 4d01697722cc..eb3efd5a6a81 100644
--- a/fs/cifs/README
+++ b/fs/cifs/README
@@ -301,10 +301,21 @@ A partial list of the supported mount options follows:
during the local client kernel build will be used.
If server does not support Unicode, this parameter is
unused.
- rsize default read size (usually 16K)
- wsize default write size (usually 16K, 32K is often better over GigE)
- maximum wsize currently allowed by CIFS is 57344 (14 4096 byte
- pages)
+ rsize default read size (usually 16K). The client currently
+ can not use rsize larger than CIFSMaxBufSize. CIFSMaxBufSize
+ defaults to 16K and may be changed (from 8K to the maximum
+ kmalloc size allowed by your kernel) at module install time
+ for cifs.ko. Setting CIFSMaxBufSize to a very large value
+ will cause cifs to use more memory and may reduce performance
+ in some cases. To use rsize greater than 127K (the original
+ cifs protocol maximum) also requires that the server support
+ a new Unix Capability flag (for very large read) which some
+ newer servers (e.g. Samba 3.0.26 or later) do. rsize can be
+ set from a minimum of 2048 to a maximum of 130048 (127K or
+ CIFSMaxBufSize, whichever is smaller)
+ wsize default write size (default 57344)
+ maximum wsize currently allowed by CIFS is 57344 (fourteen
+ 4096 byte pages)
rw mount the network share read-write (note that the
server may still consider the share read-only)
ro mount network share read-only
@@ -582,10 +593,10 @@ the start of smb requests and responses can be enabled via:
echo 1 > /proc/fs/cifs/traceSMB
-Two other experimental features are under development and to test
-require enabling CONFIG_CIFS_EXPERIMENTAL
+Two other experimental features are under development. To test these
+requires enabling CONFIG_CIFS_EXPERIMENTAL
- More efficient write operations
+ ipv6 enablement
DNOTIFY fcntl: needed for support of directory change
notification and perhaps later for file leases)