diff options
Diffstat (limited to 'backport-include/linux/fs.h')
| -rw-r--r-- | backport-include/linux/fs.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/backport-include/linux/fs.h b/backport-include/linux/fs.h new file mode 100644 index 0000000..9de5109 --- /dev/null +++ b/backport-include/linux/fs.h @@ -0,0 +1,41 @@ +#ifndef _COMPAT_LINUX_FS_H +#define _COMPAT_LINUX_FS_H +#include_next <linux/fs.h> +#include <linux/version.h> +/* + * some versions don't have this and thus don't + * include it from the original fs.h + */ +#include <linux/uidgid.h> + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0)) +#define simple_open LINUX_BACKPORT(simple_open) +extern int simple_open(struct inode *inode, struct file *file); +#endif + +#if LINUX_VERSION_CODE < KERNEL_VERSION(3,9,0) +/** + * backport of: + * + * commit 496ad9aa8ef448058e36ca7a787c61f2e63f0f54 + * Author: Al Viro <viro@zeniv.linux.org.uk> + * Date: Wed Jan 23 17:07:38 2013 -0500 + * + * new helper: file_inode(file) + */ +static inline struct inode *file_inode(struct file *f) +{ + return f->f_path.dentry->d_inode; +} +#endif + +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,35) +#define noop_llseek LINUX_BACKPORT(noop_llseek) +extern loff_t noop_llseek(struct file *file, loff_t offset, int origin); + +#define simple_write_to_buffer LINUX_BACKPORT(simple_write_to_buffer) +extern ssize_t simple_write_to_buffer(void *to, size_t available, loff_t *ppos, + const void __user *from, size_t count); +#endif + +#endif /* _COMPAT_LINUX_FS_H */ |