From: Paolo 'Blaisorblade' Giarrusso Date: Tue, 31 Oct 2006 06:07:04 +0000 (-0800) Subject: [PATCH] uml ubd driver: document some struct fields X-Git-Tag: v2.6.19-rc5~122 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=2a9d32f682b2b4928dcd4680bc99e98a3d096816;p=linux-2.6-omap-h63xx.git [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 Cc: Jeff Dike Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- 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;