From: Nicolas Pitre <nicolas.pitre@linaro.org>
To: Alexander Viro <viro@zeniv.linux.org.uk>, linux-mm@kvack.org
Cc: linux-fsdevel@vger.kernel.org, linux-embedded@vger.kernel.org,
linux-kernel@vger.kernel.org,
Chris Brandt <Chris.Brandt@renesas.com>
Subject: [PATCH v4 2/5] cramfs: make cramfs_physmem usable as root fs
Date: Wed, 27 Sep 2017 19:32:21 -0400 [thread overview]
Message-ID: <20170927233224.31676-3-nicolas.pitre@linaro.org> (raw)
In-Reply-To: <20170927233224.31676-1-nicolas.pitre@linaro.org>
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(+)
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
*
--
2.9.5
next prev parent reply other threads:[~2017-09-27 23:32 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-27 23:32 [PATCH v4 0/5] cramfs refresh for embedded usage Nicolas Pitre
2017-09-27 23:32 ` [PATCH v4 1/5] cramfs: direct memory access support Nicolas Pitre
2017-10-01 8:29 ` Christoph Hellwig
2017-10-01 22:27 ` Nicolas Pitre
2017-10-03 14:59 ` Christoph Hellwig
2017-10-03 15:06 ` Nicolas Pitre
2017-10-03 14:43 ` Rob Herring
2017-10-03 14:58 ` Chris Brandt
2017-09-27 23:32 ` Nicolas Pitre [this message]
2017-09-27 23:32 ` [PATCH v4 3/5] cramfs: implement uncompressed and arbitrary data block positioning Nicolas Pitre
2017-09-27 23:32 ` [PATCH v4 4/5] cramfs: add mmap support Nicolas Pitre
2017-10-01 8:30 ` Christoph Hellwig
2017-10-01 22:29 ` Nicolas Pitre
2017-10-02 22:45 ` Richard Weinberger
2017-10-02 23:33 ` Nicolas Pitre
2017-10-03 14:57 ` Christoph Hellwig
2017-10-03 15:30 ` Nicolas Pitre
2017-10-03 15:37 ` Christoph Hellwig
2017-10-03 15:40 ` Nicolas Pitre
2017-10-04 7:25 ` Christoph Hellwig
2017-10-04 20:47 ` Nicolas Pitre
2017-10-05 7:15 ` Christoph Hellwig
2017-10-05 17:52 ` Nicolas Pitre
2017-10-05 20:00 ` Chris Brandt
2017-10-05 21:15 ` Nicolas Pitre
2017-10-05 23:49 ` Chris Brandt
2017-09-27 23:32 ` [PATCH v4 5/5] cramfs: rehabilitate it Nicolas Pitre
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