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Subject[patch 1/2] fs, proc: Make proc_get_link to use dentry instead of inode
This patch prepares the ground for the next "map_files"
patch which needs a name of a link file to analyse.

So instead of squashing this change into one big
patch the separate one is done.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
CC: Pavel Emelyanov <xemul@parallels.com>
CC: Tejun Heo <tj@kernel.org>
CC: Vasiliy Kulikov <segoon@openwall.com>
CC: "Kirill A. Shutemov" <kirill@shutemov.name>
CC: Alexey Dobriyan <adobriyan@gmail.com>
CC: Al Viro <viro@ZenIV.linux.org.uk>
CC: Andrew Morton <akpm@linux-foundation.org>
---
fs/proc/base.c | 20 ++++++++++----------
include/linux/proc_fs.h | 2 +-
2 files changed, 11 insertions(+), 11 deletions(-)
Index: linux-2.6.git/fs/proc/base.c
===================================================================
--- linux-2.6.git.orig/fs/proc/base.c
+++ linux-2.6.git/fs/proc/base.c
@@ -165,9 +165,9 @@ static int get_task_root(struct task_str
return result;
}

-static int proc_cwd_link(struct inode *inode, struct path *path)
+static int proc_cwd_link(struct dentry *dentry, struct path *path)
{
- struct task_struct *task = get_proc_task(inode);
+ struct task_struct *task = get_proc_task(dentry->d_inode);
int result = -ENOENT;

if (task) {
@@ -182,9 +182,9 @@ static int proc_cwd_link(struct inode *i
return result;
}

-static int proc_root_link(struct inode *inode, struct path *path)
+static int proc_root_link(struct dentry *dentry, struct path *path)
{
- struct task_struct *task = get_proc_task(inode);
+ struct task_struct *task = get_proc_task(dentry->d_inode);
int result = -ENOENT;

if (task) {
@@ -1580,13 +1580,13 @@ static const struct file_operations proc
.release = single_release,
};

-static int proc_exe_link(struct inode *inode, struct path *exe_path)
+static int proc_exe_link(struct dentry *dentry, struct path *exe_path)
{
struct task_struct *task;
struct mm_struct *mm;
struct file *exe_file;

- task = get_proc_task(inode);
+ task = get_proc_task(dentry->d_inode);
if (!task)
return -ENOENT;
mm = get_task_mm(task);
@@ -1616,7 +1616,7 @@ static void *proc_pid_follow_link(struct
if (!proc_fd_access_allowed(inode))
goto out;

- error = PROC_I(inode)->op.proc_get_link(inode, &nd->path);
+ error = PROC_I(inode)->op.proc_get_link(dentry, &nd->path);
out:
return ERR_PTR(error);
}
@@ -1655,7 +1655,7 @@ static int proc_pid_readlink(struct dent
if (!proc_fd_access_allowed(inode))
goto out;

- error = PROC_I(inode)->op.proc_get_link(inode, &path);
+ error = PROC_I(inode)->op.proc_get_link(dentry, &path);
if (error)
goto out;

@@ -1947,9 +1947,9 @@ static int proc_fd_info(struct inode *in
return -ENOENT;
}

-static int proc_fd_link(struct inode *inode, struct path *path)
+static int proc_fd_link(struct dentry *dentry, struct path *path)
{
- return proc_fd_info(inode, path, NULL);
+ return proc_fd_info(dentry->d_inode, path, NULL);
}

static int tid_fd_revalidate(struct dentry *dentry, struct nameidata *nd)
Index: linux-2.6.git/include/linux/proc_fs.h
===================================================================
--- linux-2.6.git.orig/include/linux/proc_fs.h
+++ linux-2.6.git/include/linux/proc_fs.h
@@ -253,7 +253,7 @@ extern const struct proc_ns_operations u
extern const struct proc_ns_operations ipcns_operations;

union proc_op {
- int (*proc_get_link)(struct inode *, struct path *);
+ int (*proc_get_link)(struct dentry *, struct path *);
int (*proc_read)(struct task_struct *task, char *page);
int (*proc_show)(struct seq_file *m,
struct pid_namespace *ns, struct pid *pid,


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