fs: Constify vma argument to vma_is_dax
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@linux-foundation.org> Cc: Michal Hocko <mhocko@suse.com> Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org> Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> Cc: Ralph Campbell <rcampbell@nvidia.com> Cc: "Jérôme Glisse" <jglisse@redhat.com> Cc: "Christian König" <christian.koenig@amd.com> Cc: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Thomas Hellstrom (VMware) <thomas_os@shipmail.org> Reviewed-by: Roland Scheidegger <sroland@vmware.com> Acked-by: Christian König <christian.koenig@amd.com>
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@ -3391,7 +3391,7 @@ static inline bool io_is_direct(struct file *filp)
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return (filp->f_flags & O_DIRECT) || IS_DAX(filp->f_mapping->host);
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}
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static inline bool vma_is_dax(struct vm_area_struct *vma)
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static inline bool vma_is_dax(const struct vm_area_struct *vma)
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{
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return vma->vm_file && IS_DAX(vma->vm_file->f_mapping->host);
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}
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