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f2fs: fix missing up_read

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commit 89d13c38501df730cbb2e02c4499da1b5187119d upstream.

This patch fixes missing up_read call.

Fixes: c9b60788fc76 ("f2fs: fix to do sanity check with block address in main area")
Cc: <stable@vger.kernel.org> # 4.19+
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jaegeuk Kim 2018-09-27 22:15:31 -07:00 committed by Greg Kroah-Hartman
parent 0c5f2e8992
commit 862e7aaa90
1 changed files with 3 additions and 1 deletions
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4
fs/f2fs/node.c
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@ -1399,8 +1399,10 @@ static int __write_node_page(struct page *page, bool atomic, bool *submitted,
}
if (__is_valid_data_blkaddr(ni.blk_addr) &&
!f2fs_is_valid_blkaddr(sbi, ni.blk_addr, DATA_GENERIC))
!f2fs_is_valid_blkaddr(sbi, ni.blk_addr, DATA_GENERIC)) {
up_read(&sbi->node_write);
goto redirty_out;
}
if (atomic && !test_opt(sbi, NOBARRIER))
fio.op_flags |= REQ_PREFLUSH | REQ_FUA;