use usbdisk as a basename
This will be usefull as example when we want to search for a usb disk for
failsafe update or install.
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx>
---
drivers/block/efi-block-io.c | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/drivers/block/efi-block-io.c b/drivers/block/efi-block-io.c
index a4d9d3a95..2bbeb99e6 100644
--- a/drivers/block/efi-block-io.c
+++ b/drivers/block/efi-block-io.c
@@ -130,6 +130,18 @@ static void efi_bio_print_info(struct efi_bio_priv *priv)
media->optimal_transfer_length_granularity);
}
+static int is_bio_usbdev(struct efi_device *efidev)
+{
+ int i;
+
+ for (i = 0; i < efidev->num_guids; i++) {
+ if (!efi_guidcmp(efidev->guids[i], EFI_USB_IO_PROTOCOL_GUID))
+ return 1;
+ }
+
+ return 0;
+}
+
int efi_bio_probe(struct efi_device *efidev)
{
int ret;
@@ -147,7 +159,10 @@ int efi_bio_probe(struct efi_device *efidev)
efi_bio_print_info(priv);
priv->dev = &efidev->dev;
- priv->blk.cdev.name = xasprintf("disk%d", cdev_find_free_index("disk"));
+ if (is_bio_usbdev(efidev))
+ priv->blk.cdev.name = xasprintf("usbdisk%d", cdev_find_free_index("usbdisk"));
+ else
+ priv->blk.cdev.name = xasprintf("disk%d", cdev_find_free_index("disk"));
priv->blk.blockbits = ffs(media->block_size) - 1;
priv->blk.num_blocks = media->last_block + 1;
priv->blk.ops = &efi_bio_ops;
--
2.11.0
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