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    Subject[PATCH 04/14] staging/lustre/llite: clear inode timestamps after losing UPDATE lock
    Date
    From: Niu Yawei <yawei.niu@intel.com>

    Otherwise, those leftovers would interfere with new timestamps
    especially when the timestamps are set back in time on the other
    clients.

    Signed-off-by: Jinshan Xiong <jinshan.xiong@intel.com>
    Signed-off-by: Niu Yawei <yawei.niu@intel.com>
    Reviewed-on: http://review.whamcloud.com/22623
    Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-8446
    Reviewed-by: Bobi Jam <bobijam@hotmail.com>
    Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
    ---
    drivers/staging/lustre/lustre/llite/namei.c | 10 ++++++++++
    1 file changed, 10 insertions(+)

    diff --git a/drivers/staging/lustre/lustre/llite/namei.c b/drivers/staging/lustre/lustre/llite/namei.c
    index 74d9b73..c268f32 100644
    --- a/drivers/staging/lustre/lustre/llite/namei.c
    +++ b/drivers/staging/lustre/lustre/llite/namei.c
    @@ -251,6 +251,16 @@ int ll_md_blocking_ast(struct ldlm_lock *lock, struct ldlm_lock_desc *desc,
    PFID(ll_inode2fid(inode)), rc);
    }

    + if (bits & MDS_INODELOCK_UPDATE) {
    + struct ll_inode_info *lli = ll_i2info(inode);
    +
    + spin_lock(&lli->lli_lock);
    + LTIME_S(inode->i_mtime) = 0;
    + LTIME_S(inode->i_atime) = 0;
    + LTIME_S(inode->i_ctime) = 0;
    + spin_unlock(&lli->lli_lock);
    + }
    +
    if ((bits & MDS_INODELOCK_UPDATE) && S_ISDIR(inode->i_mode)) {
    struct ll_inode_info *lli = ll_i2info(inode);

    --
    2.7.4
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