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uml: document new ubd flag 

The ubd help message didn't document the 'c' flag.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jeff Dike 2008-02-04 22:30:37 -08:00 committed by Linus Torvalds
parent b2cf770758
commit 20ede453af
1 changed files with 4 additions and 1 deletions
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5
arch/um/drivers/ubd_kern.c
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@ -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 multiple\n"
" 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)