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Date: Thu, 17 Aug 2017 18:08:07 +0200 From: Jan Kara <jack@...e.cz> To: <linux-fsdevel@...r.kernel.org> Cc: linux-nvdimm@...ts.01.org, Andy Lutomirski <luto@...nel.org>, <linux-ext4@...r.kernel.org>, <linux-xfs@...r.kernel.org>, Christoph Hellwig <hch@...radead.org>, Ross Zwisler <ross.zwisler@...ux.intel.com>, Dan Williams <dan.j.williams@...el.com>, Boaz Harrosh <boazh@...app.com>, Jan Kara <jack@...e.cz> Subject: [PATCH 05/13] dax: Create local variable for vmf->flags & FAULT_FLAG_WRITE test There are already two users and more are coming. Signed-off-by: Jan Kara <jack@...e.cz> --- fs/dax.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/fs/dax.c b/fs/dax.c index 75aa0d9fb39f..7c150eddc01a 100644 --- a/fs/dax.c +++ b/fs/dax.c @@ -1105,6 +1105,7 @@ static int dax_iomap_pte_fault(struct vm_fault *vmf, struct iomap iomap = { 0 }; unsigned flags = IOMAP_FAULT; int error, major = 0; + bool write = vmf->flags & FAULT_FLAG_WRITE; int vmf_ret = 0; void *entry; @@ -1119,7 +1120,7 @@ static int dax_iomap_pte_fault(struct vm_fault *vmf, goto out; } - if ((vmf->flags & FAULT_FLAG_WRITE) && !vmf->cow_page) + if (write && !vmf->cow_page) flags |= IOMAP_WRITE; entry = grab_mapping_entry(mapping, vmf->pgoff, 0); @@ -1196,7 +1197,7 @@ static int dax_iomap_pte_fault(struct vm_fault *vmf, break; case IOMAP_UNWRITTEN: case IOMAP_HOLE: - if (!(vmf->flags & FAULT_FLAG_WRITE)) { + if (!write) { vmf_ret = dax_load_hole(mapping, entry, vmf); goto finish_iomap; } -- 2.12.3
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