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Revert "iov_iter: track truncated size"

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This reverts commit 2112ff5ce0.

We no longer need to track the truncation count, the one user that did
need it has been converted to using iov_iter_restore() instead.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe
2021-09-10 11:19:58 -06:00
parent cd65869512
commit 7dedd3e180
1 changed files with 1 additions and 5 deletions
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6
include/linux/uio.h
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@@ -53,7 +53,6 @@ struct iov_iter {
};
loff_t xarray_start;
};
size_t truncated;
};
static inline enum iter_type iov_iter_type(const struct iov_iter *i)
@@ -270,10 +269,8 @@ 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) {
i->truncated += i->count - count;
if (i->count > count)
i->count = count;
}
}
/*
@@ -282,7 +279,6 @@ 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;
}