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authorChristoph Hellwig <hch@lst.de>2021-08-26 15:55:07 +0200
committerDan Williams <dan.j.williams@intel.com>2021-08-26 16:52:03 -0700
commitcd93a2a4d1b076f5c73d70d836c202bbcbeea49e (patch)
treeedd152770904921200d34e46dfe5c1fdd5a18f69 /drivers/dax
parent673a0658f6ac359131a881c0dcf1b91c2500ab9c (diff)
dax: remove __generic_fsdax_supported
Just implement generic_fsdax_supported directly out of line instead of adding a wrapper. Given that generic_fsdax_supported is only supplied for CONFIG_FS_DAX builds this also allows to not provide it at all for !CONFIG_FS_DAX builds. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dan Williams <dan.j.williams@intel.com> Link: https://lore.kernel.org/r/20210826135510.6293-7-hch@lst.de Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/dax')
-rw-r--r--drivers/dax/super.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/dax/super.c b/drivers/dax/super.c
index 0f74f83101ab..8e8ccb3e956b 100644
--- a/drivers/dax/super.c
+++ b/drivers/dax/super.c
@@ -119,9 +119,8 @@ struct dax_device *fs_dax_get_by_bdev(struct block_device *bdev)
return dax_get_by_host(bdev->bd_disk->disk_name);
}
EXPORT_SYMBOL_GPL(fs_dax_get_by_bdev);
-#endif
-bool __generic_fsdax_supported(struct dax_device *dax_dev,
+bool generic_fsdax_supported(struct dax_device *dax_dev,
struct block_device *bdev, int blocksize, sector_t start,
sector_t sectors)
{
@@ -201,7 +200,8 @@ bool __generic_fsdax_supported(struct dax_device *dax_dev,
}
return true;
}
-EXPORT_SYMBOL_GPL(__generic_fsdax_supported);
+EXPORT_SYMBOL_GPL(generic_fsdax_supported);
+#endif /* CONFIG_FS_DAX */
/**
* __bdev_dax_supported() - Check if the device supports dax for filesystem
@@ -360,7 +360,7 @@ bool dax_supported(struct dax_device *dax_dev, struct block_device *bdev,
return false;
id = dax_read_lock();
- if (dax_alive(dax_dev))
+ if (dax_alive(dax_dev) && dax_dev->ops->dax_supported)
ret = dax_dev->ops->dax_supported(dax_dev, bdev, blocksize,
start, len);
dax_read_unlock(id);