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Date: Tue, 3 Mar 2020 11:28:48 +0100
From: Thomas Hellström (VMware)
<thomas_os@...pmail.org>
To: Alexander Viro <viro@...iv.linux.org.uk>
Cc: linux-fsdevel@...r.kernel.org,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Ack to merge through DRM? WAS [PATCH v5 1/9] fs: Constify vma
argument to vma_is_dax
Alexander,
Could you ack merging the below patch through a DRM tree?
Thanks,
Thomas Hellstrom
From: Thomas Hellstrom <thellstrom@...are.com>
The function is used by upcoming vma_is_special_huge() with which we want
to use a const vma argument. Since for vma_is_dax() the vma argument is
only dereferenced for reading, constify it.
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Michal Hocko <mhocko@...e.com>
Cc: "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
Cc: Ralph Campbell <rcampbell@...dia.com>
Cc: "Jérôme Glisse" <jglisse@...hat.com>
Cc: "Christian König" <christian.koenig@....com>
Cc: Dan Williams <dan.j.williams@...el.com>
Signed-off-by: Thomas Hellstrom <thellstrom@...are.com>
Reviewed-by: Roland Scheidegger <sroland@...are.com>
Acked-by: Christian König <christian.koenig@....com>
---
include/linux/fs.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 3cd4fe6b845e..2b38ce5b73ad 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -3391,7 +3391,7 @@ static inline bool io_is_direct(struct file *filp)
return (filp->f_flags & O_DIRECT) || IS_DAX(filp->f_mapping->host);
}
-static inline bool vma_is_dax(struct vm_area_struct *vma)
+static inline bool vma_is_dax(const struct vm_area_struct *vma)
{
return vma->vm_file && IS_DAX(vma->vm_file->f_mapping->host);
}
--
2.21.1
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