new helper: file_inode(file)

[mirror_ubuntu-artful-kernel.git] / fs / proc / base.c

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 9b43ff77a51ed3b0383f3e96489e1e542331555a..760268d6cba6e4a68b9549174af066d78344d41c 100644 (file)
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -383,7 +383,7 @@ static int lstats_open(struct inode *inode, struct file *file)
 static ssize_t lstats_write(struct file *file, const char __user *buf,
                            size_t count, loff_t *offs)
 {
-       struct task_struct *task = get_proc_task(file->f_dentry->d_inode);
+       struct task_struct *task = get_proc_task(file_inode(file));
 
        if (!task)
                return -ESRCH;
@@ -602,7 +602,7 @@ static const struct inode_operations proc_def_inode_operations = {
 static ssize_t proc_info_read(struct file * file, char __user * buf,
                          size_t count, loff_t *ppos)
 {
-       struct inode * inode = file->f_path.dentry->d_inode;
+       struct inode * inode = file_inode(file);
        unsigned long page;
        ssize_t length;
        struct task_struct *task = get_proc_task(inode);
@@ -668,7 +668,7 @@ static const struct file_operations proc_single_file_operations = {
 
 static int __mem_open(struct inode *inode, struct file *file, unsigned int mode)
 {
-       struct task_struct *task = get_proc_task(file->f_path.dentry->d_inode);
+       struct task_struct *task = get_proc_task(file_inode(file));
        struct mm_struct *mm;
 
        if (!task)
@@ -869,7 +869,7 @@ static const struct file_operations proc_environ_operations = {
 static ssize_t oom_adj_read(struct file *file, char __user *buf, size_t count,
                            loff_t *ppos)
 {
-       struct task_struct *task = get_proc_task(file->f_path.dentry->d_inode);
+       struct task_struct *task = get_proc_task(file_inode(file));
        char buffer[PROC_NUMBUF];
        int oom_adj = OOM_ADJUST_MIN;
        size_t len;
@@ -916,7 +916,7 @@ static ssize_t oom_adj_write(struct file *file, const char __user *buf,
                goto out;
        }
 
-       task = get_proc_task(file->f_path.dentry->d_inode);
+       task = get_proc_task(file_inode(file));
        if (!task) {
                err = -ESRCH;
                goto out;
@@ -976,7 +976,7 @@ static const struct file_operations proc_oom_adj_operations = {
 static ssize_t oom_score_adj_read(struct file *file, char __user *buf,
                                        size_t count, loff_t *ppos)
 {
-       struct task_struct *task = get_proc_task(file->f_path.dentry->d_inode);
+       struct task_struct *task = get_proc_task(file_inode(file));
        char buffer[PROC_NUMBUF];
        short oom_score_adj = OOM_SCORE_ADJ_MIN;
        unsigned long flags;
@@ -1019,7 +1019,7 @@ static ssize_t oom_score_adj_write(struct file *file, const char __user *buf,
                goto out;
        }
 
-       task = get_proc_task(file->f_path.dentry->d_inode);
+       task = get_proc_task(file_inode(file));
        if (!task) {
                err = -ESRCH;
                goto out;
@@ -1067,7 +1067,7 @@ static const struct file_operations proc_oom_score_adj_operations = {
 static ssize_t proc_loginuid_read(struct file * file, char __user * buf,
                                  size_t count, loff_t *ppos)
 {
-       struct inode * inode = file->f_path.dentry->d_inode;
+       struct inode * inode = file_inode(file);
        struct task_struct *task = get_proc_task(inode);
        ssize_t length;
        char tmpbuf[TMPBUFLEN];
@@ -1084,7 +1084,7 @@ static ssize_t proc_loginuid_read(struct file * file, char __user * buf,
 static ssize_t proc_loginuid_write(struct file * file, const char __user * buf,
                                   size_t count, loff_t *ppos)
 {
-       struct inode * inode = file->f_path.dentry->d_inode;
+       struct inode * inode = file_inode(file);
        char *page, *tmp;
        ssize_t length;
        uid_t loginuid;
@@ -1142,7 +1142,7 @@ static const struct file_operations proc_loginuid_operations = {
 static ssize_t proc_sessionid_read(struct file * file, char __user * buf,
                                  size_t count, loff_t *ppos)
 {
-       struct inode * inode = file->f_path.dentry->d_inode;
+       struct inode * inode = file_inode(file);
        struct task_struct *task = get_proc_task(inode);
        ssize_t length;
        char tmpbuf[TMPBUFLEN];
@@ -1165,7 +1165,7 @@ static const struct file_operations proc_sessionid_operations = {
 static ssize_t proc_fault_inject_read(struct file * file, char __user * buf,
                                      size_t count, loff_t *ppos)
 {
-       struct task_struct *task = get_proc_task(file->f_dentry->d_inode);
+       struct task_struct *task = get_proc_task(file_inode(file));
        char buffer[PROC_NUMBUF];
        size_t len;
        int make_it_fail;
@@ -1197,7 +1197,7 @@ static ssize_t proc_fault_inject_write(struct file * file,
        make_it_fail = simple_strtol(strstrip(buffer), &end, 0);
        if (*end)
                return -EINVAL;
-       task = get_proc_task(file->f_dentry->d_inode);
+       task = get_proc_task(file_inode(file));
        if (!task)
                return -ESRCH;
        task->make_it_fail = make_it_fail;
@@ -1237,7 +1237,7 @@ static ssize_t
 sched_write(struct file *file, const char __user *buf,
            size_t count, loff_t *offset)
 {
-       struct inode *inode = file->f_path.dentry->d_inode;
+       struct inode *inode = file_inode(file);
        struct task_struct *p;
 
        p = get_proc_task(inode);
@@ -1288,7 +1288,7 @@ static ssize_t
 sched_autogroup_write(struct file *file, const char __user *buf,
            size_t count, loff_t *offset)
 {
-       struct inode *inode = file->f_path.dentry->d_inode;
+       struct inode *inode = file_inode(file);
        struct task_struct *p;
        char buffer[PROC_NUMBUF];
        int nice;
@@ -1343,7 +1343,7 @@ static const struct file_operations proc_pid_sched_autogroup_operations = {
 static ssize_t comm_write(struct file *file, const char __user *buf,
                                size_t count, loff_t *offset)
 {
-       struct inode *inode = file->f_path.dentry->d_inode;
+       struct inode *inode = file_inode(file);
        struct task_struct *p;
        char buffer[TASK_COMM_LEN];
 
@@ -2146,7 +2146,7 @@ out_no_task:
 static ssize_t proc_pid_attr_read(struct file * file, char __user * buf,
                                  size_t count, loff_t *ppos)
 {
-       struct inode * inode = file->f_path.dentry->d_inode;
+       struct inode * inode = file_inode(file);
        char *p = NULL;
        ssize_t length;
        struct task_struct *task = get_proc_task(inode);
@@ -2167,7 +2167,7 @@ static ssize_t proc_pid_attr_read(struct file * file, char __user * buf,
 static ssize_t proc_pid_attr_write(struct file * file, const char __user * buf,
                                   size_t count, loff_t *ppos)
 {
-       struct inode * inode = file->f_path.dentry->d_inode;
+       struct inode * inode = file_inode(file);
        char *page;
        ssize_t length;
        struct task_struct *task = get_proc_task(inode);
@@ -2256,7 +2256,7 @@ static const struct inode_operations proc_attr_dir_inode_operations = {
 static ssize_t proc_coredump_filter_read(struct file *file, char __user *buf,
                                         size_t count, loff_t *ppos)
 {
-       struct task_struct *task = get_proc_task(file->f_dentry->d_inode);
+       struct task_struct *task = get_proc_task(file_inode(file));
        struct mm_struct *mm;
        char buffer[PROC_NUMBUF];
        size_t len;
@@ -2308,7 +2308,7 @@ static ssize_t proc_coredump_filter_write(struct file *file,
                goto out_no_task;
 
        ret = -ESRCH;
-       task = get_proc_task(file->f_dentry->d_inode);
+       task = get_proc_task(file_inode(file));
        if (!task)
                goto out_no_task;