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Re: svn commit: r1718167 -/subversion/trunk/subversion/libsvn_ra_local/ra_plugin.c

From: Evgeny Kotkov <evgeny.kotkov_at_visualsvn.com>
Date: Mon, 14 Dec 2015 00:48:23 +0300

Bert Huijben <bert_at_qqmail.nl> writes:

> Any ideas how this affects editor v2 (And how it is used in JavaHL for 1.9)?
> Could this hit the limitations?

Ev2 in JavaHL is not affected by this problem.

When JavaHL asks the RA layer to drive the editor, it passes an Ev2-to-Ev1
shim as the editor. Within this shim, applying delta is handled by the
ev2_apply_textdelta() function, and, due to how it's written, this happens
without any function calls that could access the cache. Hence, it cannot
hit the limitations of the zero-copy code path.

Evgeny Kotkov
Received on 2015-12-13 22:48:51 CET

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