diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/fs.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 056af1df3..78a43d84a 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -122,6 +122,9 @@ typedef void (dio_iodone_t)(struct kiocb *iocb, loff_t offset, /* File is opened with O_PATH; almost nothing can be done with it */ #define FMODE_PATH ((__force fmode_t)0x4000) +/* File hasn't page cache and can't be mmaped, for stackable filesystem */ +#define FMODE_NONMAPPABLE ((__force fmode_t)0x400000) + /* File was opened by fanotify and shouldn't generate fanotify events */ #define FMODE_NONOTIFY ((__force fmode_t)0x1000000) @@ -1533,6 +1536,7 @@ struct file_operations { long (*fallocate)(struct file *file, int mode, loff_t offset, loff_t len); int (*show_fdinfo)(struct seq_file *m, struct file *f); + struct file* (*get_lower_file)(struct file *f); }; struct inode_operations { |