[PATCH 2/2] remove unnecessary device pointer argument
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Wed Mar 4 00:43:13 PST 2015
> On Mar 4, 2015, at 3:49 PM, Sascha Hauer <s.hauer at pengutronix.de> wrote:
>
> The struct device_d * argument is not necessary, it can be retrieved from
> the FILE *. This adds a convenience function for doing this and removes
> the struct device_d * argument from the the filesystem drivers functions.
if you do so you should introduce fs_warn/info & co too
so we de not use dev_xxx version in fs
Best Regards,
J.
>
> Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> ---
> fs/bpkfs.c | 10 +++++-----
> fs/cramfs/cramfs.c | 12 ++++++------
> fs/devfs.c | 22 +++++++++++-----------
> fs/efi.c | 12 ++++++------
> fs/ext4/ext_barebox.c | 12 ++++++------
> fs/fat/fat.c | 16 ++++++++--------
> fs/fs.c | 24 ++++++++++++------------
> fs/nfs.c | 31 +++++++++++++++++--------------
> fs/omap4_usbbootfs.c | 17 +++++++----------
> fs/ramfs.c | 14 +++++++-------
> fs/tftp.c | 21 +++++++++++----------
> fs/ubifs/ubifs.c | 10 +++++-----
> fs/uimagefs.c | 14 +++++++-------
> include/fs.h | 27 ++++++++++++++++-----------
> 14 files changed, 124 insertions(+), 118 deletions(-)
>
> diff --git a/fs/bpkfs.c b/fs/bpkfs.c
> index 1e2619e..94b5379 100644
> --- a/fs/bpkfs.c
> +++ b/fs/bpkfs.c
> @@ -126,9 +126,9 @@ static struct bpkfs_handle_data *bpkfs_get_by_type(
> return NULL;
> }
>
> -static int bpkfs_open(struct device_d *dev, FILE *f, const char *filename)
> +static int bpkfs_open(FILE *f, const char *filename)
> {
> - struct bpkfs_handle *priv = dev->priv;
> + struct bpkfs_handle *priv = fs_driver_priv(f);
> struct bpkfs_handle_data *d;
> struct bpkfs_handle_hw *h;
> char *dir, *file;
> @@ -170,7 +170,7 @@ out:
> return ret;
> }
>
> -static int bpkfs_close(struct device_d *dev, FILE *file)
> +static int bpkfs_close(FILE *file)
> {
> struct bpkfs_handle_data *d = file->priv;
>
> @@ -179,7 +179,7 @@ static int bpkfs_close(struct device_d *dev, FILE *file)
> return 0;
> }
>
> -static int bpkfs_read(struct device_d *dev, FILE *file, void *buf, size_t insize)
> +static int bpkfs_read(FILE *file, void *buf, size_t insize)
> {
> struct bpkfs_handle_data *d = file->priv;
>
> @@ -191,7 +191,7 @@ static int bpkfs_read(struct device_d *dev, FILE *file, void *buf, size_t insize
> }
> }
>
> -static loff_t bpkfs_lseek(struct device_d *dev, FILE *file, loff_t pos)
> +static loff_t bpkfs_lseek(FILE *file, loff_t pos)
> {
> struct bpkfs_handle_data *d = file->priv;
>
> diff --git a/fs/cramfs/cramfs.c b/fs/cramfs/cramfs.c
> index fb92714..d53421b 100644
> --- a/fs/cramfs/cramfs.c
> +++ b/fs/cramfs/cramfs.c
> @@ -274,9 +274,9 @@ static int cramfs_closedir(struct device_d *dev, DIR *_dir)
> return 0;
> }
>
> -static int cramfs_open(struct device_d *_dev, FILE *file, const char *filename)
> +static int cramfs_open(FILE *file, const char *filename)
> {
> - struct cramfs_priv *priv = _dev->priv;
> + struct cramfs_priv *priv = fs_driver_priv(file);
> struct cramfs_inode_info *inodei;
> char *f;
>
> @@ -299,7 +299,7 @@ static int cramfs_open(struct device_d *_dev, FILE *file, const char *filename)
> return 0;
> }
>
> -static int cramfs_close(struct device_d *dev, FILE *file)
> +static int cramfs_close(FILE *file)
> {
> struct cramfs_inode_info *inodei = file->priv;
>
> @@ -309,9 +309,9 @@ static int cramfs_close(struct device_d *dev, FILE *file)
> return 0;
> }
>
> -static int cramfs_read(struct device_d *_dev, FILE *f, void *buf, size_t size)
> +static int cramfs_read(FILE *f, void *buf, size_t size)
> {
> - struct cramfs_priv *priv = _dev->priv;
> + struct cramfs_priv *priv = fs_driver_priv(f);
> struct cramfs_inode_info *inodei = f->priv;
> struct cramfs_inode *inode = &inodei->inode;
> unsigned int blocknr;
> @@ -358,7 +358,7 @@ static int cramfs_read(struct device_d *_dev, FILE *f, void *buf, size_t size)
> return outsize;
> }
>
> -static loff_t cramfs_lseek(struct device_d *dev, FILE *f, loff_t pos)
> +static loff_t cramfs_lseek(FILE *f, loff_t pos)
> {
> f->pos = pos;
> return f->pos;
> diff --git a/fs/devfs.c b/fs/devfs.c
> index c6db25c..4da21d4 100644
> --- a/fs/devfs.c
> +++ b/fs/devfs.c
> @@ -35,14 +35,14 @@
>
> extern struct list_head cdev_list;
>
> -static int devfs_read(struct device_d *_dev, FILE *f, void *buf, size_t size)
> +static int devfs_read(FILE *f, void *buf, size_t size)
> {
> struct cdev *cdev = f->priv;
>
> return cdev_read(cdev, buf, size, f->pos, f->flags);
> }
>
> -static int devfs_write(struct device_d *_dev, FILE *f, const void *buf, size_t size)
> +static int devfs_write(FILE *f, const void *buf, size_t size)
> {
> struct cdev *cdev = f->priv;
>
> @@ -52,7 +52,7 @@ static int devfs_write(struct device_d *_dev, FILE *f, const void *buf, size_t s
> return cdev_write(cdev, buf, size, f->pos, f->flags);
> }
>
> -static loff_t devfs_lseek(struct device_d *_dev, FILE *f, loff_t pos)
> +static loff_t devfs_lseek(FILE *f, loff_t pos)
> {
> struct cdev *cdev = f->priv;
> loff_t ret = -1;
> @@ -66,7 +66,7 @@ static loff_t devfs_lseek(struct device_d *_dev, FILE *f, loff_t pos)
> return ret - cdev->offset;
> }
>
> -static int devfs_erase(struct device_d *_dev, FILE *f, size_t count, loff_t offset)
> +static int devfs_erase(FILE *f, size_t count, loff_t offset)
> {
> struct cdev *cdev = f->priv;
>
> @@ -82,7 +82,7 @@ static int devfs_erase(struct device_d *_dev, FILE *f, size_t count, loff_t offs
> return cdev->ops->erase(cdev, count, offset + cdev->offset);
> }
>
> -static int devfs_protect(struct device_d *_dev, FILE *f, size_t count, loff_t offset, int prot)
> +static int devfs_protect(FILE *f, size_t count, loff_t offset, int prot)
> {
> struct cdev *cdev = f->priv;
>
> @@ -92,7 +92,7 @@ static int devfs_protect(struct device_d *_dev, FILE *f, size_t count, loff_t of
> return cdev->ops->protect(cdev, count, offset + cdev->offset, prot);
> }
>
> -static int devfs_memmap(struct device_d *_dev, FILE *f, void **map, int flags)
> +static int devfs_memmap(FILE *f, void **map, int flags)
> {
> struct cdev *cdev = f->priv;
> int ret = -ENOSYS;
> @@ -108,7 +108,7 @@ static int devfs_memmap(struct device_d *_dev, FILE *f, void **map, int flags)
> return ret;
> }
>
> -static int devfs_open(struct device_d *_dev, FILE *f, const char *filename)
> +static int devfs_open(FILE *f, const char *filename)
> {
> struct cdev *cdev;
> int ret;
> @@ -133,7 +133,7 @@ static int devfs_open(struct device_d *_dev, FILE *f, const char *filename)
> return 0;
> }
>
> -static int devfs_close(struct device_d *_dev, FILE *f)
> +static int devfs_close(FILE *f)
> {
> struct cdev *cdev = f->priv;
> int ret;
> @@ -149,7 +149,7 @@ static int devfs_close(struct device_d *_dev, FILE *f)
> return 0;
> }
>
> -static int devfs_flush(struct device_d *_dev, FILE *f)
> +static int devfs_flush(FILE *f)
> {
> struct cdev *cdev = f->priv;
>
> @@ -159,14 +159,14 @@ static int devfs_flush(struct device_d *_dev, FILE *f)
> return 0;
> }
>
> -static int devfs_ioctl(struct device_d *_dev, FILE *f, int request, void *buf)
> +static int devfs_ioctl(FILE *f, int request, void *buf)
> {
> struct cdev *cdev = f->priv;
>
> return cdev_ioctl(cdev, request, buf);
> }
>
> -static int devfs_truncate(struct device_d *dev, FILE *f, ulong size)
> +static int devfs_truncate(FILE *f, ulong size)
> {
> if (f->fsdev->dev.num_resources < 1)
> return -ENOSPC;
> diff --git a/fs/efi.c b/fs/efi.c
> index d64b15b..ae44f43 100644
> --- a/fs/efi.c
> +++ b/fs/efi.c
> @@ -204,7 +204,7 @@ static int efifs_rmdir(struct device_d *dev, const char *pathname)
> return efifs_unlink(dev, pathname);
> }
>
> -static int efifs_open(struct device_d *dev, FILE *f, const char *filename)
> +static int efifs_open(FILE *f, const char *filename)
> {
> struct efifs_priv *priv = fs_driver_priv(f);
> efi_status_t efiret;
> @@ -252,7 +252,7 @@ out:
> return ret;
> }
>
> -static int efifs_close(struct device_d *dev, FILE *f)
> +static int efifs_close(FILE *f)
> {
> struct efifs_file *ufile = f->priv;
>
> @@ -263,7 +263,7 @@ static int efifs_close(struct device_d *dev, FILE *f)
> return 0;
> }
>
> -static int efifs_read(struct device_d *_dev, FILE *f, void *buf, size_t insize)
> +static int efifs_read(FILE *f, void *buf, size_t insize)
> {
> struct efifs_file *ufile = f->priv;
> efi_status_t efiret;
> @@ -277,7 +277,7 @@ static int efifs_read(struct device_d *_dev, FILE *f, void *buf, size_t insize)
> return bufsize;
> }
>
> -static int efifs_write(struct device_d *_dev, FILE *f, const void *buf, size_t insize)
> +static int efifs_write(FILE *f, const void *buf, size_t insize)
> {
> struct efifs_file *ufile = f->priv;
> efi_status_t efiret;
> @@ -292,7 +292,7 @@ static int efifs_write(struct device_d *_dev, FILE *f, const void *buf, size_t i
> return bufsize;
> }
>
> -static loff_t efifs_lseek(struct device_d *dev, FILE *f, loff_t pos)
> +static loff_t efifs_lseek(FILE *f, loff_t pos)
> {
> struct efifs_file *ufile = f->priv;
> efi_status_t efiret;
> @@ -307,7 +307,7 @@ static loff_t efifs_lseek(struct device_d *dev, FILE *f, loff_t pos)
> return f->pos;
> }
>
> -static int efifs_truncate(struct device_d *dev, FILE *f, unsigned long size)
> +static int efifs_truncate(FILE *f, unsigned long size)
> {
> struct efifs_file *ufile = f->priv;
> efi_status_t efiret;
> diff --git a/fs/ext4/ext_barebox.c b/fs/ext4/ext_barebox.c
> index 5ec7ecd..3ffb634 100644
> --- a/fs/ext4/ext_barebox.c
> +++ b/fs/ext4/ext_barebox.c
> @@ -46,9 +46,9 @@ int ext4fs_devread(struct ext_filesystem *fs, int __sector, int byte_offset,
> return 0;
> }
>
> -static int ext_open(struct device_d *dev, FILE *file, const char *filename)
> +static int ext_open(FILE *file, const char *filename)
> {
> - struct ext_filesystem *fs = dev->priv;
> + struct ext_filesystem *fs = fs_driver_priv(file);
> struct ext2fs_node *inode;
> int ret;
>
> @@ -62,21 +62,21 @@ static int ext_open(struct device_d *dev, FILE *file, const char *filename)
> return 0;
> }
>
> -static int ext_close(struct device_d *dev, FILE *f)
> +static int ext_close(FILE *f)
> {
> - struct ext_filesystem *fs = dev->priv;
> + struct ext_filesystem *fs = fs_driver_priv(f);
>
> ext4fs_free_node(f->priv, &fs->data->diropen);
>
> return 0;
> }
>
> -static int ext_read(struct device_d *_dev, FILE *f, void *buf, size_t insize)
> +static int ext_read(FILE *f, void *buf, size_t insize)
> {
> return ext4fs_read_file(f->priv, f->pos, insize, buf);
> }
>
> -static loff_t ext_lseek(struct device_d *dev, FILE *f, loff_t pos)
> +static loff_t ext_lseek(FILE *f, loff_t pos)
> {
> f->pos = pos;
>
> diff --git a/fs/fat/fat.c b/fs/fat/fat.c
> index 6d7d262..abe44dd 100644
> --- a/fs/fat/fat.c
> +++ b/fs/fat/fat.c
> @@ -159,7 +159,7 @@ static int fat_rmdir(struct device_d *dev, const char *pathname)
> return 0;
> }
>
> -static int fat_write(struct device_d *_dev, FILE *f, const void *buf, size_t insize)
> +static int fat_write(FILE *f, const void *buf, size_t insize)
> {
> FIL *f_file = f->priv;
> int outsize;
> @@ -177,7 +177,7 @@ static int fat_write(struct device_d *_dev, FILE *f, const void *buf, size_t ins
> return outsize;
> }
>
> -static int fat_truncate(struct device_d *dev, FILE *f, ulong size)
> +static int fat_truncate(FILE *f, ulong size)
> {
> FIL *f_file = f->priv;
> unsigned long lastofs;
> @@ -201,9 +201,9 @@ static int fat_truncate(struct device_d *dev, FILE *f, ulong size)
> }
> #endif /* CONFIG_FS_FAT_WRITE */
>
> -static int fat_open(struct device_d *dev, FILE *file, const char *filename)
> +static int fat_open(FILE *file, const char *filename)
> {
> - struct fat_priv *priv = dev->priv;
> + struct fat_priv *priv = fs_driver_priv(file);
> FIL *f_file;
> int ret;
> unsigned long flags = 0;
> @@ -238,9 +238,9 @@ static int fat_open(struct device_d *dev, FILE *file, const char *filename)
> return 0;
> }
>
> -static int fat_close(struct device_d *dev, FILE *f)
> +static int fat_close(FILE *f)
> {
> - struct fat_priv *priv = dev->priv;
> + struct fat_priv *priv = fs_driver_priv(f);
> FIL *f_file = f->priv;
>
> f_close(f_file);
> @@ -252,7 +252,7 @@ static int fat_close(struct device_d *dev, FILE *f)
> return 0;
> }
>
> -static int fat_read(struct device_d *_dev, FILE *f, void *buf, size_t insize)
> +static int fat_read(FILE *f, void *buf, size_t insize)
> {
> int ret;
> FIL *f_file = f->priv;
> @@ -268,7 +268,7 @@ static int fat_read(struct device_d *_dev, FILE *f, void *buf, size_t insize)
> return outsize;
> }
>
> -static loff_t fat_lseek(struct device_d *dev, FILE *f, loff_t pos)
> +static loff_t fat_lseek(FILE *f, loff_t pos)
> {
> FIL *f_file = f->priv;
> int ret;
> diff --git a/fs/fs.c b/fs/fs.c
> index ffdfa2c..7d057ed 100644
> --- a/fs/fs.c
> +++ b/fs/fs.c
> @@ -675,12 +675,12 @@ int open(const char *pathname, int flags, ...)
>
> f->path = xstrdup(path);
>
> - ret = fsdrv->open(&fsdev->dev, f, path);
> + ret = fsdrv->open(f, path);
> if (ret)
> goto out;
>
> if (!(s.st_mode & S_IFCHR) && (flags & O_TRUNC)) {
> - ret = fsdrv->truncate(&fsdev->dev, f, 0);
> + ret = fsdrv->truncate(f, 0);
> f->size = 0;
> if (ret)
> goto out;
> @@ -722,7 +722,7 @@ int ioctl(int fd, int request, void *buf)
> fsdrv = f->fsdev->driver;
>
> if (fsdrv->ioctl)
> - ret = fsdrv->ioctl(&f->fsdev->dev, f, request, buf);
> + ret = fsdrv->ioctl(f, request, buf);
> else
> ret = -ENOSYS;
> if (ret)
> @@ -743,7 +743,7 @@ static ssize_t __read(FILE *f, void *buf, size_t count)
> if (!count)
> return 0;
>
> - ret = fsdrv->read(&f->fsdev->dev, f, buf, count);
> + ret = fsdrv->read(f, buf, count);
>
> if (ret < 0)
> errno = -ret;
> @@ -795,7 +795,7 @@ static ssize_t __write(FILE *f, const void *buf, size_t count)
>
> fsdrv = f->fsdev->driver;
> if (f->size != FILE_SIZE_STREAM && f->pos + count > f->size) {
> - ret = fsdrv->truncate(&f->fsdev->dev, f, f->pos + count);
> + ret = fsdrv->truncate(f, f->pos + count);
> if (ret) {
> if (ret != -ENOSPC)
> goto out;
> @@ -806,7 +806,7 @@ static ssize_t __write(FILE *f, const void *buf, size_t count)
> f->size = f->pos + count;
> }
> }
> - ret = fsdrv->write(&f->fsdev->dev, f, buf, count);
> + ret = fsdrv->write(f, buf, count);
> out:
> if (ret < 0)
> errno = -ret;
> @@ -864,7 +864,7 @@ int flush(int fd)
>
> fsdrv = f->fsdev->driver;
> if (fsdrv->flush)
> - ret = fsdrv->flush(&f->fsdev->dev, f);
> + ret = fsdrv->flush(f);
> else
> ret = 0;
>
> @@ -913,7 +913,7 @@ loff_t lseek(int fildes, loff_t offset, int whence)
> goto out;
> }
>
> - return fsdrv->lseek(&f->fsdev->dev, f, pos);
> + return fsdrv->lseek(f, pos);
>
> out:
> if (ret)
> @@ -939,7 +939,7 @@ int erase(int fd, size_t count, unsigned long offset)
>
> fsdrv = f->fsdev->driver;
> if (fsdrv->erase)
> - ret = fsdrv->erase(&f->fsdev->dev, f, count, offset);
> + ret = fsdrv->erase(f, count, offset);
> else
> ret = -ENOSYS;
>
> @@ -966,7 +966,7 @@ int protect(int fd, size_t count, unsigned long offset, int prot)
>
> fsdrv = f->fsdev->driver;
> if (fsdrv->protect)
> - ret = fsdrv->protect(&f->fsdev->dev, f, count, offset, prot);
> + ret = fsdrv->protect(f, count, offset, prot);
> else
> ret = -ENOSYS;
>
> @@ -1007,7 +1007,7 @@ void *memmap(int fd, int flags)
> fsdrv = f->fsdev->driver;
>
> if (fsdrv->memmap)
> - ret = fsdrv->memmap(&f->fsdev->dev, f, &retp, flags);
> + ret = fsdrv->memmap(f, &retp, flags);
> else
> ret = -EINVAL;
>
> @@ -1030,7 +1030,7 @@ int close(int fd)
> f = &files[fd];
>
> fsdrv = f->fsdev->driver;
> - ret = fsdrv->close(&f->fsdev->dev, f);
> + ret = fsdrv->close(f);
>
> put_file(f);
>
> diff --git a/fs/nfs.c b/fs/nfs.c
> index 2738c78..d6da791 100644
> --- a/fs/nfs.c
> +++ b/fs/nfs.c
> @@ -971,16 +971,15 @@ static int nfs_rmdir(struct device_d *dev, const char *pathname)
> return -ENOSYS;
> }
>
> -static int nfs_truncate(struct device_d *dev, FILE *f, ulong size)
> +static int nfs_truncate(FILE *f, ulong size)
> {
> return -ENOSYS;
> }
>
> -static struct file_priv *nfs_do_open(struct device_d *dev,
> +static struct file_priv *nfs_do_open(struct nfs_priv *npriv,
> const char *filename, struct stat **s)
> {
> struct file_priv *priv;
> - struct nfs_priv *npriv = dev->priv;
> int ret;
> const char *tok;
>
> @@ -1035,7 +1034,7 @@ static void nfs_do_close(struct file_priv *priv)
> free(priv);
> }
>
> -static struct file_priv *nfs_do_stat(struct device_d *dev,
> +static struct file_priv *nfs_do_stat(struct nfs_priv *npriv,
> const char *filename, struct stat *s)
> {
> struct file_priv *priv;
> @@ -1043,7 +1042,7 @@ static struct file_priv *nfs_do_stat(struct device_d *dev,
> struct stat **sptr = &s;
>
> debug("%s: filename = %s\n", __func__, filename);
> - priv = nfs_do_open(dev, filename, sptr);
> + priv = nfs_do_open(npriv, filename, sptr);
> if (IS_ERR(priv))
> return priv;
>
> @@ -1119,10 +1118,11 @@ static int nfs_readlink_req(struct file_priv *priv, char* buf, size_t size)
> static int nfs_readlink(struct device_d *dev, const char *filename,
> char *realname, size_t size)
> {
> + struct nfs_priv *npriv = dev->priv;
> struct file_priv *priv;
> int ret;
>
> - priv = nfs_do_open(dev, filename, NULL);
> + priv = nfs_do_open(npriv, filename, NULL);
> if (IS_ERR(priv))
> return PTR_ERR(priv);
>
> @@ -1135,12 +1135,13 @@ static int nfs_readlink(struct device_d *dev, const char *filename,
> return 0;
> }
>
> -static int nfs_open(struct device_d *dev, FILE *file, const char *filename)
> +static int nfs_open(FILE *file, const char *filename)
> {
> + struct nfs_priv *npriv = fs_driver_priv(file);
> struct file_priv *priv;
> struct stat s;
>
> - priv = nfs_do_stat(dev, filename, &s);
> + priv = nfs_do_stat(npriv, filename, &s);
> if (IS_ERR(priv))
> return PTR_ERR(priv);
>
> @@ -1156,7 +1157,7 @@ static int nfs_open(struct device_d *dev, FILE *file, const char *filename)
> return 0;
> }
>
> -static int nfs_close(struct device_d *dev, FILE *file)
> +static int nfs_close(FILE *file)
> {
> struct file_priv *priv = file->priv;
>
> @@ -1165,13 +1166,13 @@ static int nfs_close(struct device_d *dev, FILE *file)
> return 0;
> }
>
> -static int nfs_write(struct device_d *_dev, FILE *file, const void *inbuf,
> +static int nfs_write(FILE *file, const void *inbuf,
> size_t insize)
> {
> return -ENOSYS;
> }
>
> -static int nfs_read(struct device_d *dev, FILE *file, void *buf, size_t insize)
> +static int nfs_read(FILE *file, void *buf, size_t insize)
> {
> struct file_priv *priv = file->priv;
>
> @@ -1187,7 +1188,7 @@ static int nfs_read(struct device_d *dev, FILE *file, void *buf, size_t insize)
> return kfifo_get(priv->fifo, buf, insize);
> }
>
> -static loff_t nfs_lseek(struct device_d *dev, FILE *file, loff_t pos)
> +static loff_t nfs_lseek(FILE *file, loff_t pos)
> {
> struct file_priv *priv = file->priv;
>
> @@ -1199,11 +1200,12 @@ static loff_t nfs_lseek(struct device_d *dev, FILE *file, loff_t pos)
>
> static DIR *nfs_opendir(struct device_d *dev, const char *pathname)
> {
> + struct nfs_priv *npriv = dev->priv;
> struct file_priv *priv;
> void *buf = NULL;
> struct nfs_dir *dir;
>
> - priv = nfs_do_open(dev, pathname, NULL);
> + priv = nfs_do_open(npriv, pathname, NULL);
> if (IS_ERR(priv))
> return NULL;
>
> @@ -1295,9 +1297,10 @@ static int nfs_closedir(struct device_d *dev, DIR *dir)
>
> static int nfs_stat(struct device_d *dev, const char *filename, struct stat *s)
> {
> + struct nfs_priv *npriv = dev->priv;
> struct file_priv *priv;
>
> - priv = nfs_do_stat(dev, filename, s);
> + priv = nfs_do_stat(npriv, filename, s);
> if (IS_ERR(priv)) {
> return PTR_ERR(priv);
> } else {
> diff --git a/fs/omap4_usbbootfs.c b/fs/omap4_usbbootfs.c
> index 6085bca..7dba0c5 100644
> --- a/fs/omap4_usbbootfs.c
> +++ b/fs/omap4_usbbootfs.c
> @@ -63,8 +63,7 @@ static int omap4_usbbootfs_truncate(struct device_d *dev, FILE *f, ulong size)
> }
> */
>
> -static struct file_priv *omap4_usbbootfs_do_open(
> - struct device_d *dev, int accmode, const char *filename)
> +static struct file_priv *omap4_usbbootfs_do_open(int accmode, const char *filename)
> {
> struct file_priv *priv;
> u32 data;
> @@ -95,12 +94,11 @@ static struct file_priv *omap4_usbbootfs_do_open(
> return priv;
> }
>
> -static int omap4_usbbootfs_open(
> - struct device_d *dev, FILE *file, const char *filename)
> +static int omap4_usbbootfs_open(FILE *file, const char *filename)
> {
> struct file_priv *priv;
>
> - priv = omap4_usbbootfs_do_open(dev, file->flags, filename);
> + priv = omap4_usbbootfs_do_open(file->flags, filename);
> if (IS_ERR(priv))
> return PTR_ERR(priv);
>
> @@ -121,14 +119,13 @@ static int omap4_usbbootfs_do_close(struct file_priv *priv)
> return 0;
> }
>
> -static int omap4_usbbootfs_close(struct device_d *dev, FILE *f)
> +static int omap4_usbbootfs_close(FILE *f)
> {
> struct file_priv *priv = f->priv;
> return omap4_usbbootfs_do_close(priv);
> }
>
> -static int omap4_usbbootfs_read(
> - struct device_d *dev, FILE *f, void *buf, size_t size)
> +static int omap4_usbbootfs_read(FILE *f, void *buf, size_t size)
> {
> struct file_priv *priv = f->priv;
> u32 data;
> @@ -151,7 +148,7 @@ static int omap4_usbbootfs_read(
> return size;
> }
>
> -static loff_t omap4_usbbootfs_lseek(struct device_d *dev, FILE *f, loff_t pos)
> +static loff_t omap4_usbbootfs_lseek(FILE *f, loff_t pos)
> {
> f->pos = pos;
> return pos;
> @@ -167,7 +164,7 @@ static int omap4_usbbootfs_stat(
> {
> struct file_priv *priv;
>
> - priv = omap4_usbbootfs_do_open(dev, O_RDONLY, filename);
> + priv = omap4_usbbootfs_do_open(O_RDONLY, filename);
> if (IS_ERR(priv))
> return PTR_ERR(priv);
>
> diff --git a/fs/ramfs.c b/fs/ramfs.c
> index fe5eb89..995b517 100644
> --- a/fs/ramfs.c
> +++ b/fs/ramfs.c
> @@ -302,9 +302,9 @@ static int ramfs_rmdir(struct device_d *dev, const char *pathname)
> return -ENOENT;
> }
>
> -static int ramfs_open(struct device_d *dev, FILE *file, const char *filename)
> +static int ramfs_open(FILE *file, const char *filename)
> {
> - struct ramfs_priv *priv = dev->priv;
> + struct ramfs_priv *priv = fs_driver_priv(file);
> struct ramfs_inode *node = rlookup(priv, filename);
>
> if (!node)
> @@ -315,7 +315,7 @@ static int ramfs_open(struct device_d *dev, FILE *file, const char *filename)
> return 0;
> }
>
> -static int ramfs_close(struct device_d *dev, FILE *f)
> +static int ramfs_close(FILE *f)
> {
> return 0;
> }
> @@ -349,7 +349,7 @@ static struct ramfs_chunk *ramfs_find_chunk(struct ramfs_inode *node, int chunk)
> return data;
> }
>
> -static int ramfs_read(struct device_d *_dev, FILE *f, void *buf, size_t insize)
> +static int ramfs_read(FILE *f, void *buf, size_t insize)
> {
> struct ramfs_inode *node = f->priv;
> int chunk;
> @@ -398,7 +398,7 @@ static int ramfs_read(struct device_d *_dev, FILE *f, void *buf, size_t insize)
> return insize;
> }
>
> -static int ramfs_write(struct device_d *_dev, FILE *f, const void *buf, size_t insize)
> +static int ramfs_write(FILE *f, const void *buf, size_t insize)
> {
> struct ramfs_inode *node = f->priv;
> int chunk;
> @@ -447,13 +447,13 @@ static int ramfs_write(struct device_d *_dev, FILE *f, const void *buf, size_t i
> return insize;
> }
>
> -static loff_t ramfs_lseek(struct device_d *dev, FILE *f, loff_t pos)
> +static loff_t ramfs_lseek(FILE *f, loff_t pos)
> {
> f->pos = pos;
> return f->pos;
> }
>
> -static int ramfs_truncate(struct device_d *dev, FILE *f, ulong size)
> +static int ramfs_truncate(FILE *f, ulong size)
> {
> struct ramfs_inode *node = f->priv;
> int oldchunks, newchunks;
> diff --git a/fs/tftp.c b/fs/tftp.c
> index 72e4983..6b6d1bd 100644
> --- a/fs/tftp.c
> +++ b/fs/tftp.c
> @@ -110,7 +110,7 @@ static int tftp_rmdir(struct device_d *dev, const char *pathname)
> return -ENOSYS;
> }
>
> -static int tftp_truncate(struct device_d *dev, FILE *f, ulong size)
> +static int tftp_truncate(FILE *f, ulong size)
> {
> return 0;
> }
> @@ -376,11 +376,10 @@ static void tftp_handler(void *ctx, char *packet, unsigned len)
> }
> }
>
> -static struct file_priv *tftp_do_open(struct device_d *dev,
> +static struct file_priv *tftp_do_open(struct tftp_priv *tpriv,
> int accmode, const char *filename)
> {
> struct file_priv *priv;
> - struct tftp_priv *tpriv = dev->priv;
> int ret;
>
> priv = xzalloc(sizeof(*priv));
> @@ -461,11 +460,12 @@ out:
> return ERR_PTR(ret);
> }
>
> -static int tftp_open(struct device_d *dev, FILE *file, const char *filename)
> +static int tftp_open(FILE *file, const char *filename)
> {
> struct file_priv *priv;
> + struct tftp_priv *tpriv = fs_driver_priv(file);
>
> - priv = tftp_do_open(dev, file->flags, filename);
> + priv = tftp_do_open(tpriv, file->flags, filename);
> if (IS_ERR(priv))
> return PTR_ERR(priv);
>
> @@ -513,14 +513,14 @@ static int tftp_do_close(struct file_priv *priv)
> return 0;
> }
>
> -static int tftp_close(struct device_d *dev, FILE *f)
> +static int tftp_close(FILE *f)
> {
> struct file_priv *priv = f->priv;
>
> return tftp_do_close(priv);
> }
>
> -static int tftp_write(struct device_d *_dev, FILE *f, const void *inbuf,
> +static int tftp_write(FILE *f, const void *inbuf,
> size_t insize)
> {
> struct file_priv *priv = f->priv;
> @@ -556,7 +556,7 @@ static int tftp_write(struct device_d *_dev, FILE *f, const void *inbuf,
> return insize;
> }
>
> -static int tftp_read(struct device_d *dev, FILE *f, void *buf, size_t insize)
> +static int tftp_read(FILE *f, void *buf, size_t insize)
> {
> struct file_priv *priv = f->priv;
> size_t outsize = 0, now;
> @@ -587,7 +587,7 @@ static int tftp_read(struct device_d *dev, FILE *f, void *buf, size_t insize)
> return outsize;
> }
>
> -static loff_t tftp_lseek(struct device_d *dev, FILE *f, loff_t pos)
> +static loff_t tftp_lseek(FILE *f, loff_t pos)
> {
> /* not implemented in tftp protocol */
> return -ENOSYS;
> @@ -602,8 +602,9 @@ static DIR* tftp_opendir(struct device_d *dev, const char *pathname)
> static int tftp_stat(struct device_d *dev, const char *filename, struct stat *s)
> {
> struct file_priv *priv;
> + struct tftp_priv *tpriv = dev->priv;
>
> - priv = tftp_do_open(dev, O_RDONLY, filename);
> + priv = tftp_do_open(tpriv, O_RDONLY, filename);
> if (IS_ERR(priv))
> return PTR_ERR(priv);
>
> diff --git a/fs/ubifs/ubifs.c b/fs/ubifs/ubifs.c
> index 68d90b3..7c143d7 100644
> --- a/fs/ubifs/ubifs.c
> +++ b/fs/ubifs/ubifs.c
> @@ -332,9 +332,9 @@ struct ubifs_file {
> struct ubifs_data_node *dn;
> };
>
> -static int ubifs_open(struct device_d *dev, FILE *file, const char *filename)
> +static int ubifs_open(FILE *file, const char *filename)
> {
> - struct ubifs_priv *priv = dev->priv;
> + struct ubifs_priv *priv = fs_driver_priv(file);
> struct inode *inode;
> struct ubifs_file *uf;
>
> @@ -355,7 +355,7 @@ static int ubifs_open(struct device_d *dev, FILE *file, const char *filename)
> return 0;
> }
>
> -static int ubifs_close(struct device_d *dev, FILE *f)
> +static int ubifs_close(FILE *f)
> {
> struct ubifs_file *uf = f->priv;
> struct inode *inode = uf->inode;
> @@ -384,7 +384,7 @@ static int ubifs_get_block(struct ubifs_file *uf, unsigned int pos)
> return 0;
> }
>
> -static int ubifs_read(struct device_d *_dev, FILE *f, void *buf, size_t insize)
> +static int ubifs_read(FILE *f, void *buf, size_t insize)
> {
> struct ubifs_file *uf = f->priv;
> unsigned int pos = f->pos;
> @@ -431,7 +431,7 @@ static int ubifs_read(struct device_d *_dev, FILE *f, void *buf, size_t insize)
> return insize;
> }
>
> -static loff_t ubifs_lseek(struct device_d *dev, FILE *f, loff_t pos)
> +static loff_t ubifs_lseek(FILE *f, loff_t pos)
> {
> f->pos = pos;
>
> diff --git a/fs/uimagefs.c b/fs/uimagefs.c
> index 3fdc5bd..a796e62 100644
> --- a/fs/uimagefs.c
> +++ b/fs/uimagefs.c
> @@ -68,9 +68,9 @@ static struct uimagefs_handle_data *uimagefs_get_by_name(
> return NULL;
> }
>
> -static int uimagefs_open(struct device_d *dev, FILE *file, const char *filename)
> +static int uimagefs_open(FILE *file, const char *filename)
> {
> - struct uimagefs_handle *priv = dev->priv;
> + struct uimagefs_handle *priv = fs_driver_priv(file);
> struct uimagefs_handle_data *d;
>
> if (filename[0] == '/')
> @@ -94,7 +94,7 @@ static int uimagefs_open(struct device_d *dev, FILE *file, const char *filename)
> return 0;
> }
>
> -static int uimagefs_close(struct device_d *dev, FILE *file)
> +static int uimagefs_close(FILE *file)
> {
> struct uimagefs_handle_data *d = file->priv;
>
> @@ -103,7 +103,7 @@ static int uimagefs_close(struct device_d *dev, FILE *file)
> return 0;
> }
>
> -static int uimagefs_read(struct device_d *dev, FILE *file, void *buf, size_t insize)
> +static int uimagefs_read(FILE *file, void *buf, size_t insize)
> {
> struct uimagefs_handle_data *d = file->priv;
>
> @@ -115,7 +115,7 @@ static int uimagefs_read(struct device_d *dev, FILE *file, void *buf, size_t ins
> }
> }
>
> -static loff_t uimagefs_lseek(struct device_d *dev, FILE *file, loff_t pos)
> +static loff_t uimagefs_lseek(FILE *file, loff_t pos)
> {
> struct uimagefs_handle_data *d = file->priv;
>
> @@ -179,9 +179,9 @@ static int uimagefs_stat(struct device_d *dev, const char *filename, struct stat
> return 0;
> }
>
> -static int uimagefs_ioctl(struct device_d *dev, FILE *f, int request, void *buf)
> +static int uimagefs_ioctl(FILE *f, int request, void *buf)
> {
> - struct uimagefs_handle *priv = dev->priv;
> + struct uimagefs_handle *priv = fs_driver_priv(f);
>
> if (request != UIMAGEFS_METADATA)
> return -EINVAL;
> diff --git a/include/fs.h b/include/fs.h
> index 61d7439..a25d674 100644
> --- a/include/fs.h
> +++ b/include/fs.h
> @@ -49,32 +49,32 @@ struct fs_driver_d {
> int (*unlink)(struct device_d *dev, const char *pathname);
>
> /* Truncate a file to given size */
> - int (*truncate)(struct device_d *dev, FILE *f, ulong size);
> + int (*truncate)(FILE *f, ulong size);
>
> int (*symlink)(struct device_d *dev, const char *pathname,
> const char *newpath);
> int (*readlink)(struct device_d *dev, const char *pathname, char *name,
> size_t size);
>
> - int (*open)(struct device_d *dev, FILE *f, const char *pathname);
> - int (*close)(struct device_d *dev, FILE *f);
> - int (*read)(struct device_d *dev, FILE *f, void *buf, size_t size);
> - int (*write)(struct device_d *dev, FILE *f, const void *buf, size_t size);
> - int (*flush)(struct device_d *dev, FILE *f);
> - loff_t (*lseek)(struct device_d *dev, FILE *f, loff_t pos);
> + int (*open)(FILE *f, const char *pathname);
> + int (*close)(FILE *f);
> + int (*read)(FILE *f, void *buf, size_t size);
> + int (*write)(FILE *f, const void *buf, size_t size);
> + int (*flush)(FILE *f);
> + loff_t (*lseek)(FILE *f, loff_t pos);
>
> struct dir* (*opendir)(struct device_d *dev, const char *pathname);
> struct dirent* (*readdir)(struct device_d *dev, struct dir *dir);
> int (*closedir)(struct device_d *dev, DIR *dir);
> int (*stat)(struct device_d *dev, const char *file, struct stat *stat);
>
> - int (*ioctl)(struct device_d *dev, FILE *f, int request, void *buf);
> - int (*erase)(struct device_d *dev, FILE *f, size_t count,
> + int (*ioctl)(FILE *f, int request, void *buf);
> + int (*erase)(FILE *f, size_t count,
> loff_t offset);
> - int (*protect)(struct device_d *dev, FILE *f, size_t count,
> + int (*protect)(FILE *f, size_t count,
> loff_t offset, int prot);
>
> - int (*memmap)(struct device_d *dev, FILE *f, void **map, int flags);
> + int (*memmap)(FILE *f, void **map, int flags);
>
> struct driver_d drv;
>
> @@ -102,6 +102,11 @@ struct fs_device_d {
> char *options;
> };
>
> +static inline void *fs_driver_priv(struct filep *f)
> +{
> + return f->fsdev->dev.priv;
> +}
> +
> #define drv_to_fs_driver(d) container_of(d, struct fs_driver_d, drv)
>
> /*
> --
> 2.1.4
>
>
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