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Subject[PATCH] raw: deprecate the raw driver
Date
The raw driver has been replaced by O_DIRECT support on the block device
in 2002. Deprecate it to prepare for removal in a few kernel releases.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---

Jens, I wonder if we can sneak this into 5.9 to have a longer deprecation
period?

drivers/char/raw.c | 5 +++++
1 file changed, 5 insertions(+)

diff --git a/drivers/char/raw.c b/drivers/char/raw.c
index 380bf518338ef7..ccf5bd528642da 100644
--- a/drivers/char/raw.c
+++ b/drivers/char/raw.c
@@ -63,6 +63,11 @@ static int raw_open(struct inode *inode, struct file *filp)
return 0;
}

+ pr_warn_ratelimited(
+ "process %s (pid %d) is using the deprecated raw device\n"
+ "support will be removed in Linux 5.14.\n",
+ current->comm, current->pid);
+
mutex_lock(&raw_mutex);

/*
--
2.28.0
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