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| author | Jens Axboe <axboe@kernel.dk> | 2023-03-24 21:35:49 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-03-30 16:12:29 +0200 |
| commit | e03ad4ee2783e41afc90cc7848468aef10741c0e (patch) | |
| tree | 71447ef07166a9ab75571b291927bebfb8f5cb98 /lib | |
| parent | iov_iter: overlay struct iovec and ubuf/len (diff) | |
| download | linux-e03ad4ee2783e41afc90cc7848468aef10741c0e.tar.xz linux-e03ad4ee2783e41afc90cc7848468aef10741c0e.zip | |
iov_iter: convert import_single_range() to ITER_UBUF
Since we're just importing a single vector, we don't have to turn it
into an ITER_IOVEC. Instead turn it into an ITER_UBUF, which is cheaper
to iterate.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/iov_iter.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/lib/iov_iter.c b/lib/iov_iter.c index 87488c4aad3f..f411bda1171f 100644 --- a/lib/iov_iter.c +++ b/lib/iov_iter.c @@ -1870,9 +1870,7 @@ int import_single_range(int rw, void __user *buf, size_t len, if (unlikely(!access_ok(buf, len))) return -EFAULT; - iov->iov_base = buf; - iov->iov_len = len; - iov_iter_init(i, rw, iov, 1, len); + iov_iter_ubuf(i, rw, buf, len); return 0; } EXPORT_SYMBOL(import_single_range); |