diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2021-09-16 13:58:38 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-09-16 13:58:38 -0700 |
| commit | 561bed688bffedd6bbdfa70af7a4f64f0a3e2140 (patch) | |
| tree | 19256b7a70dcdb9a95c4a7494a0b8bb9db10ef30 /include/linux/uio.h | |
| parent | 4b5a3ab17c6c942bd428984b6b37fe3c07f18ab3 (diff) | |
| parent | fc0c0548c1a2e676d3a928aaed70f2d4d254e395 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
No conflicts!
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux/uio.h')
| -rw-r--r-- | include/linux/uio.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/uio.h b/include/linux/uio.h index 82c3c3e819e0..5265024e8b90 100644 --- a/include/linux/uio.h +++ b/include/linux/uio.h @@ -47,6 +47,7 @@ struct iov_iter { }; loff_t xarray_start; }; + size_t truncated; }; static inline enum iter_type iov_iter_type(const struct iov_iter *i) @@ -254,8 +255,10 @@ static inline void iov_iter_truncate(struct iov_iter *i, u64 count) * conversion in assignement is by definition greater than all * values of size_t, including old i->count. */ - if (i->count > count) + if (i->count > count) { + i->truncated += i->count - count; i->count = count; + } } /* @@ -264,6 +267,7 @@ static inline void iov_iter_truncate(struct iov_iter *i, u64 count) */ static inline void iov_iter_reexpand(struct iov_iter *i, size_t count) { + i->truncated -= count - i->count; i->count = count; } |