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[Xen-devel] [PATCH] public/io/blkif.h: make the comments on "sectors" self-consistent



Currently the comment at line #267 claims that the value should be
expressed in number logical sectors, whereas the comment at line #613
states that the value should be expressed strictly in units of 512 bytes.

Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
---
Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>

Looking at xen-blkfront in Linux, I'm also not convinced that it would
function correctly is sector-size != 512 anyway so I wonder whether this
patch should go further and define that sector-size is strictly 512.
---
 xen/include/public/io/blkif.h | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/xen/include/public/io/blkif.h b/xen/include/public/io/blkif.h
index 15a71e3fea..d7c904d9dc 100644
--- a/xen/include/public/io/blkif.h
+++ b/xen/include/public/io/blkif.h
@@ -264,8 +264,7 @@
  * sectors
  *      Values:         <uint64_t>
  *
- *      The size of the backend device, expressed in units of its logical
- *      sector size ("sector-size").
+ *      The size of the backend device, expressed in units of 512 bytes.
  *
  *****************************************************************************
  *                            Frontend XenBus Nodes
-- 
2.20.1.2.gb21ebb671


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