Commit:     20ede453af796bbaaf46a2bb0ee0bcc90ab505b3
Parent:     b2cf770758cfd9dceb62afcb86e56e96ff37234a
Author:     Jeff Dike <[EMAIL PROTECTED]>
AuthorDate: Mon Feb 4 22:30:37 2008 -0800
Committer:  Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Tue Feb 5 09:44:25 2008 -0800

    uml: document new ubd flag
    The ubd help message didn't document the 'c' flag.
    Signed-off-by: Jeff Dike <[EMAIL PROTECTED]>
    Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
    Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
 arch/um/drivers/ubd_kern.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 99f9f96..9793e3d 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -437,7 +437,10 @@ __uml_help(ubd_setup,
 "    machine by running 'dd' on the device. <n> must be in the range\n"
 "    0 to 7. Appending an 'r' to the number will cause that device\n"
 "    to be mounted read-only. For example ubd1r=./ext_fs. Appending\n"
-"    an 's' will cause data to be written to disk on the host immediately.\n\n"
+"    an 's' will cause data to be written to disk on the host immediately.\n"
+"    'c' will cause the device to be treated as being shared between 
+"    UMLs and file locking will be turned off - this is appropriate for a\n"
+"    cluster filesystem and inappropriate at almost all other times.\n\n"
 static int udb_setup(char *str)
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