fuse: use get_user_pages_fast()

[safe/jmp/linux-2.6] / fs / fuse / file.c

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 4172bfe..29bda05 100644 (file)
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -994,10 +994,7 @@ static int fuse_get_user_pages(struct fuse_req *req, const char __user *buf,
        nbytes = min_t(size_t, nbytes, FUSE_MAX_PAGES_PER_REQ << PAGE_SHIFT);
        npages = (nbytes + offset + PAGE_SIZE - 1) >> PAGE_SHIFT;
        npages = clamp(npages, 1, FUSE_MAX_PAGES_PER_REQ);
-       down_read(&current->mm->mmap_sem);
-       npages = get_user_pages(current, current->mm, user_addr, npages, !write,
-                               0, req->pages, NULL);
-       up_read(&current->mm->mmap_sem);
+       npages = get_user_pages_fast(user_addr, npages, !write, req->pages);
        if (npages < 0)
                return npages;