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[v5,2/5] cramfs: make cramfs_physmem usable as root fs

Message ID 20171006024531.8885-3-nicolas.pitre@linaro.org (mailing list archive)
State New, archived
Headers show

Commit Message

Nicolas Pitre Oct. 6, 2017, 2:45 a.m. UTC 
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Tested-by: Chris Brandt <chris.brandt@renesas.com>
---
 init/do_mounts.c | 8 ++++++++
 1 file changed, 8 insertions(+)
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Patch

diff --git a/init/do_mounts.c b/init/do_mounts.c
index c2de5104aa..43b5817f60 100644
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -556,6 +556,14 @@  void __init prepare_namespace(void)
 		ssleep(root_delay);
 	}
 
+	if (IS_ENABLED(CONFIG_CRAMFS_PHYSMEM) && root_fs_names &&
+	    !strcmp(root_fs_names, "cramfs_physmem")) {
+		int err = do_mount_root("cramfs", "cramfs_physmem",
+					root_mountflags, root_mount_data);
+		if (!err)
+			goto out;
+	}
+
 	/*
 	 * wait for the known devices to complete their probing
 	 *