[PATCH -next] powerpc/pseries: convert to use DEFINE_SEQ_ATTRIBUTE macro
From: Liu Shixin <hidden>
Date: 2020-09-16 02:28:54
Use DEFINE_SEQ_ATTRIBUTE macro to simplify the code. Signed-off-by: Liu Shixin <redacted> --- arch/powerpc/platforms/pseries/hvCall_inst.c | 23 +++----------------- 1 file changed, 3 insertions(+), 20 deletions(-)
diff --git a/arch/powerpc/platforms/pseries/hvCall_inst.c b/arch/powerpc/platforms/pseries/hvCall_inst.c
index c40c62ec432e..2c59b4986ea5 100644
--- a/arch/powerpc/platforms/pseries/hvCall_inst.c
+++ b/arch/powerpc/platforms/pseries/hvCall_inst.c@@ -70,31 +70,14 @@ static int hc_show(struct seq_file *m, void *p) return 0; } -static const struct seq_operations hcall_inst_seq_ops = { +static const struct seq_operations hcall_inst_sops = { .start = hc_start, .next = hc_next, .stop = hc_stop, .show = hc_show }; -static int hcall_inst_seq_open(struct inode *inode, struct file *file) -{ - int rc; - struct seq_file *seq; - - rc = seq_open(file, &hcall_inst_seq_ops); - seq = file->private_data; - seq->private = file_inode(file)->i_private; - - return rc; -} - -static const struct file_operations hcall_inst_seq_fops = { - .open = hcall_inst_seq_open, - .read = seq_read, - .llseek = seq_lseek, - .release = seq_release, -}; +DEFINE_SEQ_ATTRIBUTE(hcall_inst); #define HCALL_ROOT_DIR "hcall_inst" #define CPU_NAME_BUF_SIZE 32
@@ -149,7 +132,7 @@ static int __init hcall_inst_init(void) snprintf(cpu_name_buf, CPU_NAME_BUF_SIZE, "cpu%d", cpu); debugfs_create_file(cpu_name_buf, 0444, hcall_root, per_cpu(hcall_stats, cpu), - &hcall_inst_seq_fops); + &hcall_inst_fops); } return 0;
--
2.25.1