Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
dax: export dax_dev_get()
famfs needs to look up a dax_device by dev_t when resolving fmap
entries that reference character dax devices.
Reviewed-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Signed-off-by: John Groves <john@groves.net>
Link: https://patch.msgid.link/0100019d311daab5-bb212f0b-4e05-4668-bf53-d76fab56be68-000000@email.amazonses.com
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
authored by
John Groves
and committed by
Ira Weiny
2ae624d5
eec38f5d
+3
-1
+2
-1
drivers/dax/super.c
+2
-1
drivers/dax/super.c
···
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return 0;
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}
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-
static struct dax_device *dax_dev_get(dev_t devt)
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+
struct dax_device *dax_dev_get(dev_t devt)
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{
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struct dax_device *dax_dev;
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struct inode *inode;
···
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return dax_dev;
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}
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+
EXPORT_SYMBOL_GPL(dax_dev_get);
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struct dax_device *alloc_dax(void *private, const struct dax_operations *ops)
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{
+1
include/linux/dax.h
+1
include/linux/dax.h
···
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void *dax_holder(struct dax_device *dax_dev);
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void put_dax(struct dax_device *dax_dev);
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void kill_dax(struct dax_device *dax_dev);
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+
struct dax_device *dax_dev_get(dev_t devt);
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void dax_write_cache(struct dax_device *dax_dev, bool wc);
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bool dax_write_cache_enabled(struct dax_device *dax_dev);
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bool dax_synchronous(struct dax_device *dax_dev);