grub2/0046-grub-install-support-for-partitioned-partx-loop-devi.patch

56 lines
1.6 KiB
Diff
Raw Normal View History

From bb87dccc37bf223ecf207660511efc93bd021a40 Mon Sep 17 00:00:00 2001
From: Mike Gilbert <floppym@gentoo.org>
Date: Sun, 26 Jan 2014 02:56:04 +0100
Subject: [PATCH 046/103] grub-install: support for partitioned partx
loop devices.
* grub-core/osdep/linux/getroot.c (grub_util_part_to_disk): Detect
/dev/loopX as being the parent of /dev/loopXpY.
---
ChangeLog | 7 +++++++
grub-core/osdep/linux/getroot.c | 13 +++++++++++++
2 files changed, 20 insertions(+)
diff --git a/ChangeLog b/ChangeLog
index 6727e6e..b80896b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2014-01-26 Mike Gilbert <floppym@gentoo.org>
+
+ grub-install: support for partitioned partx loop devices.
+
+ * grub-core/osdep/linux/getroot.c (grub_util_part_to_disk): Detect
+ /dev/loopX as being the parent of /dev/loopXpY.
+
2014-01-26 Vladimir Serbinenko <phcoder@gmail.com>
* grub-core/term/serial.c (grub_serial_register): Fix invalid free.
diff --git a/grub-core/osdep/linux/getroot.c b/grub-core/osdep/linux/getroot.c
index 772de0a..19581d3 100644
--- a/grub-core/osdep/linux/getroot.c
+++ b/grub-core/osdep/linux/getroot.c
@@ -883,6 +883,19 @@ grub_util_part_to_disk (const char *os_dev, struct stat *st,
*pp = '\0';
return path;
}
+
+ /* If this is a loop device */
+ if ((strncmp ("loop", p, 4) == 0) && p[4] >= '0' && p[4] <= '9')
+ {
+ char *pp = p + 4;
+ while (*pp >= '0' && *pp <= '9')
+ pp++;
+ if (*pp == 'p')
+ *is_part = 1;
+ /* /dev/loop[0-9]+p[0-9]* */
+ *pp = '\0';
+ return path;
+ }
}
return path;
--
1.9.0