proc: get_nr_threads() doesn't need ->siglock any longer

[mv-sheeva.git] / fs / proc / base.c

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 7621db800a74b85d440055f590acf10daeb67550..c384e8b84dffea78a450b416533a60b192620541 100644 (file)
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -166,18 +166,6 @@ static int get_fs_path(struct task_struct *task, struct path *path, bool root)
        return result;
 }
 
-static int get_nr_threads(struct task_struct *tsk)
-{
-       unsigned long flags;
-       int count = 0;
-
-       if (lock_task_sighand(tsk, &flags)) {
-               count = atomic_read(&tsk->signal->count);
-               unlock_task_sighand(tsk, &flags);
-       }
-       return count;
-}
-
 static int proc_cwd_link(struct inode *inode, struct path *path)
 {
        struct task_struct *task = get_proc_task(inode);
@@ -730,6 +718,7 @@ out_no_task:
 
 static const struct file_operations proc_info_file_operations = {
        .read           = proc_info_read,
+       .llseek         = generic_file_llseek,
 };
 
 static int proc_single_show(struct seq_file *m, void *v)
@@ -987,6 +976,7 @@ out_no_task:
 
 static const struct file_operations proc_environ_operations = {
        .read           = environ_read,
+       .llseek         = generic_file_llseek,
 };
 
 static ssize_t oom_adjust_read(struct file *file, char __user *buf,
@@ -1060,6 +1050,7 @@ static ssize_t oom_adjust_write(struct file *file, const char __user *buf,
 static const struct file_operations proc_oom_adjust_operations = {
        .read           = oom_adjust_read,
        .write          = oom_adjust_write,
+       .llseek         = generic_file_llseek,
 };
 
 #ifdef CONFIG_AUDITSYSCALL
@@ -1131,6 +1122,7 @@ out_free_page:
 static const struct file_operations proc_loginuid_operations = {
        .read           = proc_loginuid_read,
        .write          = proc_loginuid_write,
+       .llseek         = generic_file_llseek,
 };
 
 static ssize_t proc_sessionid_read(struct file * file, char __user * buf,
@@ -1151,6 +1143,7 @@ static ssize_t proc_sessionid_read(struct file * file, char __user * buf,
 
 static const struct file_operations proc_sessionid_operations = {
        .read           = proc_sessionid_read,
+       .llseek         = generic_file_llseek,
 };
 #endif
 
@@ -1202,6 +1195,7 @@ static ssize_t proc_fault_inject_write(struct file * file,
 static const struct file_operations proc_fault_inject_operations = {
        .read           = proc_fault_inject_read,
        .write          = proc_fault_inject_write,
+       .llseek         = generic_file_llseek,
 };
 #endif
 
@@ -1943,7 +1937,7 @@ static ssize_t proc_fdinfo_read(struct file *file, char __user *buf,
 }
 
 static const struct file_operations proc_fdinfo_file_operations = {
-       .open           = nonseekable_open,
+       .open           = nonseekable_open,
        .read           = proc_fdinfo_read,
 };
 
@@ -2227,6 +2221,7 @@ out_no_task:
 static const struct file_operations proc_pid_attr_operations = {
        .read           = proc_pid_attr_read,
        .write          = proc_pid_attr_write,
+       .llseek         = generic_file_llseek,
 };
 
 static const struct pid_entry attr_dir_stuff[] = {
@@ -2347,6 +2342,7 @@ static ssize_t proc_coredump_filter_write(struct file *file,
 static const struct file_operations proc_coredump_filter_operations = {
        .read           = proc_coredump_filter_read,
        .write          = proc_coredump_filter_write,
+       .llseek         = generic_file_llseek,
 };
 #endif
 
@@ -2909,7 +2905,7 @@ out_no_task:
  */
 static const struct pid_entry tid_base_stuff[] = {
        DIR("fd",        S_IRUSR|S_IXUSR, proc_fd_inode_operations, proc_fd_operations),
-       DIR("fdinfo",    S_IRUSR|S_IXUSR, proc_fdinfo_inode_operations, proc_fd_operations),
+       DIR("fdinfo",    S_IRUSR|S_IXUSR, proc_fdinfo_inode_operations, proc_fdinfo_operations),
        REG("environ",   S_IRUSR, proc_environ_operations),
        INF("auxv",      S_IRUSR, proc_pid_auxv),
        ONE("status",    S_IRUGO, proc_pid_status),