dax: Create local variable for vmf->flags & FAULT_FLAG_WRITE test
There are already two users and more are coming. Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com> Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
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5
fs/dax.c
5
fs/dax.c
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@ -1116,6 +1116,7 @@ static int dax_iomap_pte_fault(struct vm_fault *vmf,
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struct iomap iomap = { 0 };
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unsigned flags = IOMAP_FAULT;
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int error, major = 0;
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bool write = vmf->flags & FAULT_FLAG_WRITE;
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int vmf_ret = 0;
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void *entry;
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@ -1130,7 +1131,7 @@ static int dax_iomap_pte_fault(struct vm_fault *vmf,
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goto out;
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}
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if ((vmf->flags & FAULT_FLAG_WRITE) && !vmf->cow_page)
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if (write && !vmf->cow_page)
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flags |= IOMAP_WRITE;
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entry = grab_mapping_entry(mapping, vmf->pgoff, 0);
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@ -1207,7 +1208,7 @@ static int dax_iomap_pte_fault(struct vm_fault *vmf,
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break;
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case IOMAP_UNWRITTEN:
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case IOMAP_HOLE:
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if (!(vmf->flags & FAULT_FLAG_WRITE)) {
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if (!write) {
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vmf_ret = dax_load_hole(mapping, entry, vmf);
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goto finish_iomap;
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}
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