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support bind and subvolume mount

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2010-12-02 14:26:46 +01:00
parent 98042add0c
commit 228cfb40bf
3 changed files with 38 additions and 15 deletions
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28
grub-core/kern/emu/misc.c
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@ -415,6 +415,18 @@ grub_make_system_path_relative_to_its_root (const char *path)
if (offset == 0)
{
free (buf);
#ifdef __linux__
{
char *bind;
grub_free (grub_find_root_device_from_mountinfo (buf2, &bind));
if (bind && bind[0] && bind[1])
{
buf3 = bind;
goto parsedir;
}
grub_free (bind);
}
#endif
free (buf2);
#if defined(HAVE_LIBZFS) && defined(HAVE_LIBNVPAIR)
if (poolfs)
@ -437,6 +449,21 @@ grub_make_system_path_relative_to_its_root (const char *path)
}
free (buf);
buf3 = xstrdup (buf2 + offset);
buf2[offset] = 0;
#ifdef __linux__
{
char *bind;
grub_free (grub_find_root_device_from_mountinfo (buf2, &bind));
if (bind && bind[0] && bind[1])
{
char *temp = buf3;
buf3 = grub_xasprintf ("%s%s%s", bind, buf3[0] == '/' ?"":"/", buf3);
grub_free (temp);
}
grub_free (bind);
}
#endif
free (buf2);
#ifdef __CYGWIN__
@ -452,6 +479,7 @@ grub_make_system_path_relative_to_its_root (const char *path)
}
#endif
parsedir:
/* Remove trailing slashes, return empty string if root directory. */
len = strlen (buf3);
while (len > 0 && buf3[len - 1] == '/')