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[07/15] dax: stop requiring a live device for dax_flush()

Message ID 150949213329.24061.13836721890938350458.stgit@dwillia2-desk3.amr.corp.intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Dan Williams Oct. 31, 2017, 11:22 p.m. UTC
Now that dax_flush() is no longer a driver callback (commit c3ca015fab6d
"dax: remove the pmem_dax_ops->flush abstraction"), stop requiring the
dax_read_lock() to be held and the device to be alive.  This is in
preparation for switching filesystem-dax to store pfns instead of
sectors in the radix.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
 drivers/dax/super.c |    3 ---
 1 file changed, 3 deletions(-)


Christoph Hellwig Nov. 2, 2017, 8:12 p.m. UTC | #1
Looks good,

Reviewed-by: Christoph Hellwig <hch@lst.de>
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diff --git a/drivers/dax/super.c b/drivers/dax/super.c
index 66bcdf42c413..abfd4e92d669 100644
--- a/drivers/dax/super.c
+++ b/drivers/dax/super.c
@@ -283,9 +283,6 @@  EXPORT_SYMBOL_GPL(dax_copy_from_iter);
 void arch_wb_cache_pmem(void *addr, size_t size);
 void dax_flush(struct dax_device *dax_dev, void *addr, size_t size)
-	if (unlikely(!dax_alive(dax_dev)))
-		return;
 	if (unlikely(!test_bit(DAXDEV_WRITE_CACHE, &dax_dev->flags)))