From: Nicolas Pitre <nicolas.pitre@linaro.org>
To: Alexander Viro <viro@zeniv.linux.org.uk>,
Christoph Hellwig <hch@infradead.org>
Cc: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
linux-embedded@vger.kernel.org, linux-kernel@vger.kernel.org,
Chris Brandt <Chris.Brandt@renesas.com>
Subject: [PATCH v5 2/5] cramfs: make cramfs_physmem usable as root fs
Date: Thu, 5 Oct 2017 22:45:28 -0400 [thread overview]
Message-ID: <20171006024531.8885-3-nicolas.pitre@linaro.org> (raw)
In-Reply-To: <20171006024531.8885-1-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
--
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next prev parent reply other threads:[~2017-10-06 2:45 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-06 2:45 [PATCH v5 0/5] cramfs refresh for embedded usage Nicolas Pitre
2017-10-06 2:45 ` [PATCH v5 1/5] cramfs: direct memory access support Nicolas Pitre
2017-10-06 2:45 ` Nicolas Pitre [this message]
2017-10-06 2:45 ` [PATCH v5 3/5] cramfs: implement uncompressed and arbitrary data block positioning Nicolas Pitre
2017-10-06 2:45 ` [PATCH v5 4/5] cramfs: add mmap support Nicolas Pitre
2017-10-06 7:00 ` Christoph Hellwig
2017-10-06 17:41 ` Nicolas Pitre
2017-10-06 2:45 ` [PATCH v5 5/5] cramfs: rehabilitate it Nicolas Pitre
2017-10-06 6:39 ` [PATCH v5 0/5] cramfs refresh for embedded usage Christoph Hellwig
2017-10-06 16:07 ` Chris Brandt
2017-10-06 16:30 ` Nicolas Pitre
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