commit | 4c58ed076875f36dae0f240da1e25e99e5d4afb8 | [log] [tgz] |
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author | Chao Yu <yuchao0@huawei.com> | Mon Oct 22 09:12:51 2018 +0800 |
committer | Jaegeuk Kim <jaegeuk@kernel.org> | Mon Oct 22 17:53:48 2018 -0700 |
tree | fc4e43260670c1dfe95510e247be3597fb73b00b | |
parent | b93f654d73fa09088041efa77972b1d616a75fcb [diff] |
f2fs: fix to account IO correctly Below race can cause reversed reference on dirty count, fix it by relocating __submit_bio() and inc_page_count(). Thread A Thread B - f2fs_inplace_write_data - f2fs_submit_page_bio - __submit_bio - f2fs_write_end_io - dec_page_count - inc_page_count Cc: <stable@vger.kernel.org> Fixes: d1b3e72d5490 ("f2fs: submit bio of in-place-update pages") Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>