X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=init%2Fdo_mounts.c;h=660c1e50c91b7a622b2e65bf1095cd4e982b58af;hb=1a342d224afb03196e3df28a271f3ddf3787e8f4;hp=f86573126f83fe76c3b87d85342786cb5a158204;hpb=8f859016ea49cd8d7c743533bd1ab3db9a813ffa;p=linux-2.6-omap-h63xx.git

diff --git a/init/do_mounts.c b/init/do_mounts.c
index f86573126f8..660c1e50c91 100644
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -76,6 +76,7 @@ dev_t name_to_dev_t(char *name)
 	char s[32];
 	char *p;
 	dev_t res = 0;
+	int part;
 
 	if (strncmp(name, "/dev/", 5) != 0) {
 		unsigned maj, min;
@@ -106,7 +107,31 @@ dev_t name_to_dev_t(char *name)
 	for (p = s; *p; p++)
 		if (*p == '/')
 			*p = '!';
-	res = blk_lookup_devt(s);
+	res = blk_lookup_devt(s, 0);
+	if (res)
+		goto done;
+
+	/*
+	 * try non-existant, but valid partition, which may only exist
+	 * after revalidating the disk, like partitioned md devices
+	 */
+	while (p > s && isdigit(p[-1]))
+		p--;
+	if (p == s || !*p || *p == '0')
+		goto fail;
+
+	/* try disk name without <part number> */
+	part = simple_strtoul(p, NULL, 10);
+	*p = '\0';
+	res = blk_lookup_devt(s, part);
+	if (res)
+		goto done;
+
+	/* try disk name without p<part number> */
+	if (p < s + 2 || !isdigit(p[-2]) || p[-1] != 'p')
+		goto fail;
+	p[-1] = '\0';
+	res = blk_lookup_devt(s, part);
 	if (res)
 		goto done;
 
@@ -193,10 +218,10 @@ static int __init do_mount_root(char *name, char *fs, int flags, void *data)
 		return err;
 
 	sys_chdir("/root");
-	ROOT_DEV = current->fs->pwdmnt->mnt_sb->s_dev;
+	ROOT_DEV = current->fs->pwd.mnt->mnt_sb->s_dev;
 	printk("VFS: Mounted root (%s filesystem)%s.\n",
-	       current->fs->pwdmnt->mnt_sb->s_type->name,
-	       current->fs->pwdmnt->mnt_sb->s_flags & MS_RDONLY ? 
+	       current->fs->pwd.mnt->mnt_sb->s_type->name,
+	       current->fs->pwd.mnt->mnt_sb->s_flags & MS_RDONLY ?
 	       " readonly" : "");
 	return 0;
 }