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authorOleg Nesterov <oleg@redhat.com>2014-10-10 02:25:51 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2014-10-10 06:25:50 +0400
commit2c03376d2db005869b1d4449097d51c96196529e (patch)
treecb372cc5bc0b4cb9813a5e70df3f6d5c2fa040b6
parent47fecca15c0944924423390fe21b956eea57da30 (diff)
downloadlinux-2c03376d2db005869b1d4449097d51c96196529e.tar.xz
proc/maps: replace proc_maps_private->pid with "struct inode *inode"
m_start() can use get_proc_task() instead, and "struct inode *" provides more potentially useful info, see the next changes. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Cyrill Gorcunov <gorcunov@openvz.org> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Greg Ungerer <gerg@uclinux.org> Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--fs/proc/internal.h2
-rw-r--r--fs/proc/task_mmu.c4
-rw-r--r--fs/proc/task_nommu.c4
3 files changed, 5 insertions, 5 deletions
diff --git a/fs/proc/internal.h b/fs/proc/internal.h
index d27182854a28..aa7a0ee182e1 100644
--- a/fs/proc/internal.h
+++ b/fs/proc/internal.h
@@ -268,7 +268,7 @@ extern int proc_remount(struct super_block *, int *, char *);
* task_[no]mmu.c
*/
struct proc_maps_private {
- struct pid *pid;
+ struct inode *inode;
struct task_struct *task;
struct mm_struct *mm;
#ifdef CONFIG_MMU
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 34d93a1cdeec..4793e4a843b0 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -164,7 +164,7 @@ static void *m_start(struct seq_file *m, loff_t *ppos)
if (last_addr == -1UL)
return NULL;
- priv->task = get_pid_task(priv->pid, PIDTYPE_PID);
+ priv->task = get_proc_task(priv->inode);
if (!priv->task)
return ERR_PTR(-ESRCH);
@@ -231,7 +231,7 @@ static int proc_maps_open(struct inode *inode, struct file *file,
if (!priv)
return -ENOMEM;
- priv->pid = proc_pid(inode);
+ priv->inode = inode;
priv->mm = proc_mem_open(inode, PTRACE_MODE_READ);
if (IS_ERR(priv->mm)) {
int err = PTR_ERR(priv->mm);
diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c
index 429cb7a5419e..f36e213835cc 100644
--- a/fs/proc/task_nommu.c
+++ b/fs/proc/task_nommu.c
@@ -212,7 +212,7 @@ static void *m_start(struct seq_file *m, loff_t *pos)
loff_t n = *pos;
/* pin the task and mm whilst we play with them */
- priv->task = get_pid_task(priv->pid, PIDTYPE_PID);
+ priv->task = get_proc_task(priv->inode);
if (!priv->task)
return ERR_PTR(-ESRCH);
@@ -276,7 +276,7 @@ static int maps_open(struct inode *inode, struct file *file,
if (!priv)
return -ENOMEM;
- priv->pid = proc_pid(inode);
+ priv->inode = inode;
priv->mm = proc_mem_open(inode, PTRACE_MODE_READ);
if (IS_ERR(priv->mm)) {
int err = PTR_ERR(priv->mm);