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Revert "block: enable dax for raw block devices"

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This reverts commit 5a023cdba5.

The functionality is superseded by the new "Device DAX" facility.

Cc: Jeff Moyer <jmoyer@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Cc: Jan Kara <jack@suse.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams
2016-05-07 11:40:28 -07:00
parent dee4107924
commit acc93d30d7
4 changed files with 29 additions and 108 deletions
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8
include/linux/fs.h
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@@ -2320,14 +2320,6 @@ extern struct super_block *freeze_bdev(struct block_device *);
extern void emergency_thaw_all(void);
extern int thaw_bdev(struct block_device *bdev, struct super_block *sb);
extern int fsync_bdev(struct block_device *);
#ifdef CONFIG_FS_DAX
extern bool blkdev_dax_capable(struct block_device *bdev);
#else
static inline bool blkdev_dax_capable(struct block_device *bdev)
{
return false;
}
#endif
extern struct super_block *blockdev_superblock;