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procfs: make proc_get_link to use dentry instead of inode

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Prepare the ground for the next "map_files" patch which needs a name of a
link file to analyse.

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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Cyrill Gorcunov 2012-01-10 15:11:20 -08:00 committed by Linus Torvalds
parent 5e6292c0f2
commit 7773fbc541
2 changed files with 11 additions and 11 deletions
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20
fs/proc/base.c
View File

@ -166,9 +166,9 @@ static int get_task_root(struct task_struct *task, struct path *root)
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) {
@ -183,9 +183,9 @@ static int proc_cwd_link(struct inode *inode, struct path *path)
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) {
@ -1456,13 +1456,13 @@ static const struct file_operations proc_pid_set_comm_operations = {
.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);
@ -1492,7 +1492,7 @@ static void *proc_pid_follow_link(struct dentry *dentry, struct nameidata *nd)
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);
}
@ -1531,7 +1531,7 @@ static int proc_pid_readlink(struct dentry * dentry, char __user * buffer, int b
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;
@ -1823,9 +1823,9 @@ static int proc_fd_info(struct inode *inode, struct path *path, char *info)
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)

2
include/linux/proc_fs.h
View File

@ -253,7 +253,7 @@ extern const struct proc_ns_operations utsns_operations;
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,