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Commit 9d109081 authored by Dan Williams's avatar Dan Williams
Browse files

dax: fix false CONFIG_BLOCK dependency 



In the BLOCK=n case the dax core does not need to / must not emit the
block-device-dax helpers. Otherwise it leads to compile errors.

Cc: Arnd Bergmann <arnd@arndb.de>
Reported-by: default avatarFabian Frederick <fabf@skynet.be>
Fixes: ef510424 ("block, dax: move 'select DAX' from BLOCK to FS_DAX")
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent 2ea659a9

drivers/dax/super.c

+2 −0
Original line number Original line Diff line number Diff line
@@ -44,6 +44,7 @@ void dax_read_unlock(int id) 
}

}

EXPORT_SYMBOL_GPL(dax_read_unlock);

EXPORT_SYMBOL_GPL(dax_read_unlock);





#ifdef CONFIG_BLOCK

int bdev_dax_pgoff(struct block_device *bdev, sector_t sector, size_t size,

int bdev_dax_pgoff(struct block_device *bdev, sector_t sector, size_t size,

		pgoff_t *pgoff)

		pgoff_t *pgoff)

{

{
@@ -112,6 +113,7 @@ int __bdev_dax_supported(struct super_block *sb, int blocksize) 
	return 0;

	return 0;

}

}

EXPORT_SYMBOL_GPL(__bdev_dax_supported);

EXPORT_SYMBOL_GPL(__bdev_dax_supported);

#endif





/**

/**

 * struct dax_device - anchor object for dax services

 * struct dax_device - anchor object for dax services