Seq instroduce a new helper marco DEFINE_STORE_ATTRIBUTE for Read-Write file, So we apply it at qla2xxx to reduce some duplicate code. Signed-off-by: Luo Jiaxing <luojiaxing@xxxxxxxxxx> --- drivers/scsi/qla2xxx/qla_dfs.c | 19 ++----------------- 1 file changed, 2 insertions(+), 17 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_dfs.c b/drivers/scsi/qla2xxx/qla_dfs.c index f89ad32..d7796e3 100644 --- a/drivers/scsi/qla2xxx/qla_dfs.c +++ b/drivers/scsi/qla2xxx/qla_dfs.c @@ -513,14 +513,6 @@ qla_dfs_naqp_show(struct seq_file *s, void *unused) return 0; } -static int -qla_dfs_naqp_open(struct inode *inode, struct file *file) -{ - struct scsi_qla_host *vha = inode->i_private; - - return single_open(file, qla_dfs_naqp_show, vha); -} - static ssize_t qla_dfs_naqp_write(struct file *file, const char __user *buffer, size_t count, loff_t *pos) @@ -569,14 +561,7 @@ qla_dfs_naqp_write(struct file *file, const char __user *buffer, return rc; } -static const struct file_operations dfs_naqp_ops = { - .open = qla_dfs_naqp_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, - .write = qla_dfs_naqp_write, -}; - +DEFINE_STORE_ATTRIBUTE(qla_dfs_naqp); int qla2x00_dfs_setup(scsi_qla_host_t *vha) @@ -622,7 +607,7 @@ qla2x00_dfs_setup(scsi_qla_host_t *vha) if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha)) { ha->tgt.dfs_naqp = debugfs_create_file("naqp", - 0400, ha->dfs_dir, vha, &dfs_naqp_ops); + 0400, ha->dfs_dir, vha, &qla_dfs_naqp_ops); if (!ha->tgt.dfs_naqp) { ql_log(ql_log_warn, vha, 0xd011, "Unable to create debugFS naqp node.\n"); -- 2.7.4