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Searched refs:ubd (Results 1 – 3 of 3) sorted by relevance

/Linux-v5.15/arch/um/drivers/
Dubd_kern.c152 struct ubd { struct
196 static struct ubd ubd_devs[MAX_DEV] = { [0 ... MAX_DEV - 1] = DEFAULT_UBD };
238 struct ubd *ubd_dev; in ubd_setup_common()
510 static inline int ubd_file_size(struct ubd *ubd_dev, __u64 *size_out) in ubd_file_size()
729 static void ubd_close_dev(struct ubd *ubd_dev) in ubd_close_dev()
740 static int ubd_open_dev(struct ubd *ubd_dev) in ubd_open_dev()
816 struct ubd *ubd_dev = dev_get_drvdata(dev); in ubd_device_release()
819 *ubd_dev = ((struct ubd) DEFAULT_UBD); in ubd_device_release()
826 struct ubd *ubd_dev = disk->private_data; in serial_show()
886 struct ubd *ubd_dev = &ubd_devs[n]; in ubd_add()
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DMakefile17 ubd-objs := ubd_kern.o ubd_user.o
55 obj-$(CONFIG_BLK_DEV_UBD) += ubd.o
/Linux-v5.15/Documentation/virt/uml/
Duser_mode_linux_howto_v2.rst806 sense the driver considers necessary. In the case of the ubd driver,
870 the copy-on-write (COW) layering capability of the ubd block driver.
892 add the name of the COW file to the appropriate ubd switch::
1005 /dev/ubd/0 / hostfs defaults 1 1
1099 (ubd) device helper thread and the sigio helper thread.