tree 2394ec0871f1dd5d8425a57f89a0f1393ebaec99
parent cb65ef06fb73bf325ece3bab8f3273757af90fbe
author Jaeyoon Choi <j_yoon.choi@samsung.com> 1624449035 +0900
committer Brett Wilson <brettw@google.com> 1624638246 +0000

[f2fs] Add a unit test and correction regarding the NAT bitmap

This unittest checks the validity of kNatBitmap that
a checkpoint pack includes to indicate valid NAT blocks among two NAT area.

This change also corrects the NAT flushing to use only NAT areas
but not journal area when the number of the dirty NAT entries exceeds the journal area.

Test: fx test f2fs-unittest fs-tests large-fs-tests

Change-Id: I3e33b046f8f41b04508feb6098068b752e4185ab
Reviewed-on: https://fuchsia-review.googlesource.com/c/third_party/f2fs/+/548261
Reviewed-by: Brett Wilson <brettw@google.com>