diff options
| author | Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> | 2006-10-30 22:07:04 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-31 08:06:59 -0800 |
| commit | 2a9d32f682b2b4928dcd4680bc99e98a3d096816 (patch) | |
| tree | e9f15ccbb96a77734a6d14ba4d920b8647430abe /arch/um/drivers/ubd_kern.c | |
| parent | 97d88ac83540f9ba9536326c30db4815c5b9169b (diff) | |
[PATCH] uml ubd driver: document some struct fields
Add documentation about some fields in struct ubd, whose meaning is
non-obvious due to struct names (should change names altogether, I agree).
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Cc: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/um/drivers/ubd_kern.c')
| -rw-r--r-- | 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 54d24738280..e104f59ec51 100644 --- a/arch/um/drivers/ubd_kern.c +++ b/arch/um/drivers/ubd_kern.c @@ -150,8 +150,9 @@ static struct gendisk *fake_gendisk[MAX_DEV]; static struct openflags global_openflags = OPEN_FLAGS; struct cow { - /* This is the backing file, actually */ + /* backing file name */ char *file; + /* backing file fd */ int fd; unsigned long *bitmap; unsigned long bitmap_len; @@ -160,6 +161,8 @@ struct cow { }; struct ubd { + /* name (and fd, below) of the file opened for writing, either the + * backing or the cow file. */ char *file; int count; int fd; |