From: Miklos Szeredi <mszeredi@xxxxxxx>
Turn
d_path(&file->f_path, ...);
into
file_path(file, ...);
Signed-off-by: Miklos Szeredi <mszeredi@xxxxxxx>
---
arch/arc/kernel/troubleshoot.c | 10 +++-------
arch/blackfin/kernel/trace.c | 2 +-
arch/tile/kernel/stack.c | 2 +-
arch/tile/mm/elf.c | 2 +-
drivers/block/loop.c | 2 +-
drivers/md/bitmap.c | 2 +-
drivers/md/md.c | 2 +-
drivers/usb/gadget/function/f_mass_storage.c | 2 +-
drivers/usb/gadget/function/storage_common.c | 2 +-
fs/binfmt_elf.c | 4 ++--
fs/coredump.c | 2 +-
fs/ext4/super.c | 2 +-
fs/open.c | 6 ++++++
include/linux/fs.h | 2 ++
kernel/events/core.c | 2 +-
mm/memory.c | 2 +-
16 files changed, 25 insertions(+), 21 deletions(-)
--- a/arch/arc/kernel/troubleshoot.c
+++ b/arch/arc/kernel/troubleshoot.c
@@ -67,15 +67,12 @@ static void print_task_path_n_nm(struct
mmput(mm);
if (exe_file) {
- path = exe_file->f_path;
- path_get(&exe_file->f_path);
+ path_nm = file_path(exe_file, buf, 255);
fput(exe_file);
- path_nm = d_path(&path, buf, 255);
- path_put(&path);
}
done:
- pr_info("Path: %s\n", path_nm);
+ pr_info("Path: %s\n", !IS_ERR(path_nm) ? path_nm : "?");
}
static void show_faulting_vma(unsigned long address, char *buf)
@@ -99,8 +96,7 @@ static void show_faulting_vma(unsigned l
if (vma && (vma->vm_start <= address)) {
struct file *file = vma->vm_file;
if (file) {
- struct path *path = &file->f_path;
- nm = d_path(path, buf, PAGE_SIZE - 1);
+ nm = file_path(file, buf, PAGE_SIZE - 1);
inode = file_inode(vma->vm_file);
dev = inode->i_sb->s_dev;
ino = inode->i_ino;
--- a/arch/blackfin/kernel/trace.c
+++ b/arch/blackfin/kernel/trace.c
@@ -136,7 +136,7 @@ void decode_address(char *buf, unsigned
struct file *file = vma->vm_file;
if (file) {
- char *d_name = d_path(&file->f_path, _tmpbuf,
+ char *d_name = file_path(file, _tmpbuf,
sizeof(_tmpbuf));
if (!IS_ERR(d_name))
name = d_name;
--- a/arch/tile/kernel/stack.c
+++ b/arch/tile/kernel/stack.c
@@ -334,7 +334,7 @@ static void describe_addr(struct KBacktr
}
if (vma->vm_file) {
- p = d_path(&vma->vm_file->f_path, buf, bufsize);
+ p = file_path(vma->vm_file, buf, bufsize);
if (IS_ERR(p))
p = "?";
name = kbasename(p);
--- a/arch/tile/mm/elf.c
+++ b/arch/tile/mm/elf.c
@@ -56,7 +56,7 @@ static int notify_exec(struct mm_struct
if (exe_file == NULL)
goto done_free;
- path = d_path(&exe_file->f_path, buf, PAGE_SIZE);
+ path = file_path(exe_file, buf, PAGE_SIZE);
if (IS_ERR(path))
goto done_put;
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -839,7 +839,7 @@ static void bitmap_file_kick(struct bitm
if (bitmap->storage.file) {
path = kmalloc(PAGE_SIZE, GFP_KERNEL);
if (path)
- ptr = d_path(&bitmap->storage.file->f_path,
+ ptr = file_path(bitmap->storage.file,
path, PAGE_SIZE);
printk(KERN_ALERT
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2501,6 +2501,8 @@ extern struct file * open_exec(const cha
extern int is_subdir(struct dentry *, struct dentry *);
extern int path_is_under(struct path *, struct path *);
+extern char *file_path(struct file *, char *, int);
+
#include <linux/err.h>
/* needed for stackable file system support */
--- a/drivers/usb/gadget/function/f_mass_storage.c
+++ b/drivers/usb/gadget/function/f_mass_storage.c
@@ -2936,7 +2936,7 @@ int fsg_common_create_lun(struct fsg_com
if (fsg_lun_is_open(lun)) {
p = "(error)";
if (pathbuf) {
- p = d_path(&lun->filp->f_path, pathbuf, PATH_MAX);
+ p = file_path(lun->filp, pathbuf, PATH_MAX);
if (IS_ERR(p))
p = "(error)";
}
--- a/drivers/usb/gadget/function/storage_common.c
+++ b/drivers/usb/gadget/function/storage_common.c
@@ -341,7 +341,7 @@ ssize_t fsg_show_file(struct fsg_lun *cu
down_read(filesem);
if (fsg_lun_is_open(curlun)) { /* Get the complete pathname */
- p = d_path(&curlun->filp->f_path, buf, PAGE_SIZE - 1);
+ p = file_path(curlun->filp, buf, PAGE_SIZE - 1);
if (IS_ERR(p))
rc = PTR_ERR(p);
else {
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -1530,7 +1530,7 @@ static int fill_files_note(struct memelf
file = vma->vm_file;
if (!file)
continue;
- filename = d_path(&file->f_path, name_curpos, remaining);
+ filename = file_path(file, name_curpos, remaining);
if (IS_ERR(filename)) {
if (PTR_ERR(filename) == -ENAMETOOLONG) {
vfree(data);
@@ -1540,7 +1540,7 @@ static int fill_files_note(struct memelf
continue;
}
- /* d_path() fills at the end, move name down */
+ /* file_path() fills at the end, move name down */
/* n = strlen(filename) + 1: */
n = (name_curpos + remaining) - filename;
remaining = filename - name_curpos;
--- a/fs/coredump.c
+++ b/fs/coredump.c
@@ -138,7 +138,7 @@ static int cn_print_exe_file(struct core
goto put_exe_file;
}
- path = d_path(&exe_file->f_path, pathbuf, PATH_MAX);
+ path = file_path(exe_file, pathbuf, PATH_MAX);
if (IS_ERR(path)) {
ret = PTR_ERR(path);
goto free_buf;
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -451,7 +451,7 @@ void __ext4_error_file(struct file *file
es = EXT4_SB(inode->i_sb)->s_es;
es->s_last_error_ino = cpu_to_le32(inode->i_ino);
if (ext4_error_ratelimit(inode->i_sb)) {
- path = d_path(&(file->f_path), pathname, sizeof(pathname));
+ path = file_path(file, pathname, sizeof(pathname));
if (IS_ERR(path))
path = "(unknown)";
va_start(args, fmt);
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -5812,7 +5812,7 @@ static void perf_event_mmap_event(struct
* need to add enough zero bytes after the string to handle
* the 64bit alignment we do later.
*/
- name = d_path(&file->f_path, buf, PATH_MAX - sizeof(u64));
+ name = file_path(file, buf, PATH_MAX - sizeof(u64));
if (IS_ERR(name)) {
name = "//toolong";
goto cpy_name;
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3724,7 +3724,7 @@ void print_vma_addr(char *prefix, unsign
if (buf) {
char *p;
- p = d_path(&f->f_path, buf, PAGE_SIZE);
+ p = file_path(f, buf, PAGE_SIZE);
if (IS_ERR(p))
p = "?";
printk("%s%s[%lx+%lx]", prefix, kbasename(p),
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5744,7 +5744,7 @@ static int get_bitmap_file(struct mddev
/* bitmap disabled, zero the first byte and copy out */
if (!mddev->bitmap_info.file)
file->pathname[0] = '\0';
- else if ((ptr = d_path(&mddev->bitmap_info.file->f_path,
+ else if ((ptr = file_path(mddev->bitmap_info.file,
file->pathname, sizeof(file->pathname))),
IS_ERR(ptr))
err = PTR_ERR(ptr);
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -568,7 +568,7 @@ static ssize_t loop_attr_backing_file_sh
spin_lock_irq(&lo->lo_lock);
if (lo->lo_backing_file)
- p = d_path(&lo->lo_backing_file->f_path, buf, PAGE_SIZE - 1);
+ p = file_path(lo->lo_backing_file, buf, PAGE_SIZE - 1);
spin_unlock_irq(&lo->lo_lock);
if (IS_ERR_OR_NULL(p))
--- a/fs/open.c
+++ b/fs/open.c
@@ -853,6 +853,12 @@ struct file *dentry_open(const struct pa
}
EXPORT_SYMBOL(dentry_open);
+char *file_path(struct file *filp, char *buf, int buflen)
+{
+ return d_path(&filp->f_path, buf, buflen);
+}
+EXPORT_SYMBOL(file_path);
+
/**
* vfs_open - open the file at the given path
* @path: path to open
--
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