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@@ -938,9 +938,9 @@ static void fuse_release_user_pages(struct fuse_req *req, int write)
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}
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static int fuse_get_user_pages(struct fuse_req *req, const char __user *buf,
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- unsigned *nbytesp, int write)
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+ size_t *nbytesp, int write)
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{
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- unsigned nbytes = *nbytesp;
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+ size_t nbytes = *nbytesp;
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unsigned long user_addr = (unsigned long) buf;
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unsigned offset = user_addr & ~PAGE_MASK;
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int npages;
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@@ -955,7 +955,7 @@ static int fuse_get_user_pages(struct fuse_req *req, const char __user *buf,
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return 0;
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}
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- nbytes = min(nbytes, (unsigned) FUSE_MAX_PAGES_PER_REQ << PAGE_SHIFT);
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+ nbytes = min_t(size_t, nbytes, FUSE_MAX_PAGES_PER_REQ << PAGE_SHIFT);
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npages = (nbytes + offset + PAGE_SIZE - 1) >> PAGE_SHIFT;
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npages = clamp(npages, 1, FUSE_MAX_PAGES_PER_REQ);
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down_read(¤t->mm->mmap_sem);
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@@ -1298,6 +1298,8 @@ static int fuse_direct_mmap(struct file *file, struct vm_area_struct *vma)
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if (vma->vm_flags & VM_MAYSHARE)
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return -ENODEV;
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+ invalidate_inode_pages2(file->f_mapping);
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+
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return generic_file_mmap(file, vma);
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}
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