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    Subject[PATCH 03/12] Unionfs: copy lower times in fsync/fasync only when needed
    Date
    Signed-off-by: Erez Zadok <ezk@cs.sunysb.edu>
    ---
    fs/unionfs/file.c | 8 ++++----
    1 files changed, 4 insertions(+), 4 deletions(-)

    diff --git a/fs/unionfs/file.c b/fs/unionfs/file.c
    index 1fe4c30..f14b38b 100644
    --- a/fs/unionfs/file.c
    +++ b/fs/unionfs/file.c
    @@ -196,13 +196,13 @@ int unionfs_fsync(struct file *file, struct dentry *dentry, int datasync)
    err = lower_inode->i_fop->fsync(lower_file,
    lower_dentry,
    datasync);
    + if (!err && bindex == bstart)
    + fsstack_copy_attr_times(inode, lower_inode);
    mutex_unlock(&lower_inode->i_mutex);
    if (err)
    goto out;
    }

    - unionfs_copy_attr_times(inode);
    -
    out:
    if (!err)
    unionfs_check_file(file);
    @@ -244,13 +244,13 @@ int unionfs_fasync(int fd, struct file *file, int flag)
    lower_file = unionfs_lower_file_idx(file, bindex);
    mutex_lock(&lower_inode->i_mutex);
    err = lower_inode->i_fop->fasync(fd, lower_file, flag);
    + if (!err && bindex == bstart)
    + fsstack_copy_attr_times(inode, lower_inode);
    mutex_unlock(&lower_inode->i_mutex);
    if (err)
    goto out;
    }

    - unionfs_copy_attr_times(inode);
    -
    out:
    if (!err)
    unionfs_check_file(file);
    --
    1.5.2.2


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