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dlm fixes for 4.8 

This fixes a bug introduced by recent debugfs cleanup.
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Merge tag 'dlm-4.8-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm

Pull dlm fix from David Teigland:
 "This fixes a bug introduced by recent debugfs cleanup"

* tag 'dlm-4.8-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
  dlm: fix malfunction of dlm_tool caused by debugfs changes
This commit is contained in:
Linus Torvalds 2016-08-26 20:18:49 -07:00
parent 6ec675ede9 079d37df33
commit 370f601729
1 changed files with 48 additions and 14 deletions
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62
fs/dlm/debug_fs.c
View File

@ -607,20 +607,54 @@ static const struct file_operations format2_fops;
static const struct file_operations format3_fops;
static const struct file_operations format4_fops;
static int table_open(struct inode *inode, struct file *file)
static int table_open1(struct inode *inode, struct file *file)
{
struct seq_file *seq;
int ret = -1;
int ret;
if (file->f_op == &format1_fops)
ret = seq_open(file, &format1_seq_ops);
else if (file->f_op == &format2_fops)
ret = seq_open(file, &format2_seq_ops);
else if (file->f_op == &format3_fops)
ret = seq_open(file, &format3_seq_ops);
else if (file->f_op == &format4_fops)
ret = seq_open(file, &format4_seq_ops);
ret = seq_open(file, &format1_seq_ops);
if (ret)
return ret;
seq = file->private_data;
seq->private = inode->i_private; /* the dlm_ls */
return 0;
}
static int table_open2(struct inode *inode, struct file *file)
{
struct seq_file *seq;
int ret;
ret = seq_open(file, &format2_seq_ops);
if (ret)
return ret;
seq = file->private_data;
seq->private = inode->i_private; /* the dlm_ls */
return 0;
}
static int table_open3(struct inode *inode, struct file *file)
{
struct seq_file *seq;
int ret;
ret = seq_open(file, &format3_seq_ops);
if (ret)
return ret;
seq = file->private_data;
seq->private = inode->i_private; /* the dlm_ls */
return 0;
}
static int table_open4(struct inode *inode, struct file *file)
{
struct seq_file *seq;
int ret;
ret = seq_open(file, &format4_seq_ops);
if (ret)
return ret;
@ -631,7 +665,7 @@ static int table_open(struct inode *inode, struct file *file)
static const struct file_operations format1_fops = {
.owner = THIS_MODULE,
.open = table_open,
.open = table_open1,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release
@ -639,7 +673,7 @@ static const struct file_operations format1_fops = {
static const struct file_operations format2_fops = {
.owner = THIS_MODULE,
.open = table_open,
.open = table_open2,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release
@ -647,7 +681,7 @@ static const struct file_operations format2_fops = {
static const struct file_operations format3_fops = {
.owner = THIS_MODULE,
.open = table_open,
.open = table_open3,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release
@ -655,7 +689,7 @@ static const struct file_operations format3_fops = {
static const struct file_operations format4_fops = {
.owner = THIS_MODULE,
.open = table_open,
.open = table_open4,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release