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    Subject[PATCH 4.20 105/145] f2fs: fix to update new block address correctly for OPU
    Date
    4.20-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Jia Zhu <zhujia13@huawei.com>

    commit 73c0a9272a7d2942bcae29d4829bf63277cc57c8 upstream.

    Previously, we allocated a new block address for OPU mode in direct_IO.

    But the new address couldn't be assigned to @map->m_pblk correctly.

    This patch fix it.

    Cc: <stable@vger.kernel.org>
    Fixes: 511f52d02f05 ("f2fs: allow out-place-update for direct IO in LFS mode")
    Signed-off-by: Jia Zhu <zhujia13@huawei.com>
    Reviewed-by: Chao Yu <yuchao0@huawei.com>
    Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    fs/f2fs/data.c | 4 +++-
    1 file changed, 3 insertions(+), 1 deletion(-)

    --- a/fs/f2fs/data.c
    +++ b/fs/f2fs/data.c
    @@ -1102,8 +1102,10 @@ next_block:
    if (test_opt(sbi, LFS) && create &&
    flag == F2FS_GET_BLOCK_DIO) {
    err = __allocate_data_block(&dn, map->m_seg_type);
    - if (!err)
    + if (!err) {
    + blkaddr = dn.data_blkaddr;
    set_inode_flag(inode, FI_APPEND_WRITE);
    + }
    }
    } else {
    if (create) {

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