The patch titled
Subject: proc: convert /proc/$PID/cmdline to seq_file interface
has been removed from the -mm tree. Its filename was
proc-convert-proc-pid-cmdline-to-seq_file-interface.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Subject: proc: convert /proc/$PID/cmdline to seq_file interface
Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/proc/base.c | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)
diff -puN fs/proc/base.c~proc-convert-proc-pid-cmdline-to-seq_file-interface fs/proc/base.c
--- a/fs/proc/base.c~proc-convert-proc-pid-cmdline-to-seq_file-interface
+++ a/fs/proc/base.c
@@ -200,9 +200,16 @@ static int proc_root_link(struct dentry
return result;
}
-static int proc_pid_cmdline(struct task_struct *task, char *buffer)
+static int proc_pid_cmdline(struct seq_file *m, struct pid_namespace *ns,
+ struct pid *pid, struct task_struct *task)
{
- return get_cmdline(task, buffer, PAGE_SIZE);
+ /*
+ * Rely on struct seq_operations::show() being called once
+ * per internal buffer allocation. See single_open(), traverse().
+ */
+ BUG_ON(m->size < PAGE_SIZE);
+ m->count += get_cmdline(task, m->buf, PAGE_SIZE);
+ return 0;
}
static int proc_pid_auxv(struct seq_file *m, struct pid_namespace *ns,
@@ -2567,7 +2574,7 @@ static const struct pid_entry tgid_base_
#ifdef CONFIG_HAVE_ARCH_TRACEHOOK
ONE("syscall", S_IRUSR, proc_pid_syscall),
#endif
- INF("cmdline", S_IRUGO, proc_pid_cmdline),
+ ONE("cmdline", S_IRUGO, proc_pid_cmdline),
ONE("stat", S_IRUGO, proc_tgid_stat),
ONE("statm", S_IRUGO, proc_pid_statm),
REG("maps", S_IRUGO, proc_pid_maps_operations),
@@ -2903,7 +2910,7 @@ static const struct pid_entry tid_base_s
#ifdef CONFIG_HAVE_ARCH_TRACEHOOK
ONE("syscall", S_IRUSR, proc_pid_syscall),
#endif
- INF("cmdline", S_IRUGO, proc_pid_cmdline),
+ ONE("cmdline", S_IRUGO, proc_pid_cmdline),
ONE("stat", S_IRUGO, proc_tid_stat),
ONE("statm", S_IRUGO, proc_pid_statm),
REG("maps", S_IRUGO, proc_tid_maps_operations),
_
Patches currently in -mm which might be from adobriyan@xxxxxxxxx are
origin.patch
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