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Subject[PATCH -next] gfs2: convert to use DEFINE_SEQ_ATTRIBUTE macro
Date
Use DEFINE_SEQ_ATTRIBUTE macro to simplify the code.

Signed-off-by: Liu Shixin <liushixin2@huawei.com>
---
fs/gfs2/glock.c | 20 ++------------------
1 file changed, 2 insertions(+), 18 deletions(-)

diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index f13b136654ca..15c5c26f6ae7 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -2415,7 +2415,7 @@ static const struct seq_operations gfs2_glstats_seq_ops = {
.show = gfs2_glstats_seq_show,
};

-static const struct seq_operations gfs2_sbstats_seq_ops = {
+static const struct seq_operations gfs2_sbstats_sops = {
.start = gfs2_sbstats_seq_start,
.next = gfs2_sbstats_seq_next,
.stop = gfs2_sbstats_seq_stop,
@@ -2468,16 +2468,6 @@ static int gfs2_glstats_open(struct inode *inode, struct file *file)
return __gfs2_glocks_open(inode, file, &gfs2_glstats_seq_ops);
}

-static int gfs2_sbstats_open(struct inode *inode, struct file *file)
-{
- int ret = seq_open(file, &gfs2_sbstats_seq_ops);
- if (ret == 0) {
- struct seq_file *seq = file->private_data;
- seq->private = inode->i_private; /* sdp */
- }
- return ret;
-}
-
static const struct file_operations gfs2_glocks_fops = {
.owner = THIS_MODULE,
.open = gfs2_glocks_open,
@@ -2494,13 +2484,7 @@ static const struct file_operations gfs2_glstats_fops = {
.release = gfs2_glocks_release,
};

-static const struct file_operations gfs2_sbstats_fops = {
- .owner = THIS_MODULE,
- .open = gfs2_sbstats_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
-};
+DEFINE_SEQ_ATTRIBUTE(gfs2_sbstats);

void gfs2_create_debugfs_file(struct gfs2_sbd *sdp)
{
--
2.25.1
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