1 files changed, 7 insertions, 0 deletions

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 07fda632430b..8171e80b2ee9 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -198,6 +198,7 @@ static inline bool __has_cursum_space(struct f2fs_summary_block *sum, int size,
 #define F2FS_IOCTL_MAGIC                0xf5
 #define F2FS_IOC_START_ATOMIC_WRITE     _IO(F2FS_IOCTL_MAGIC, 1)
 #define F2FS_IOC_COMMIT_ATOMIC_WRITE    _IO(F2FS_IOCTL_MAGIC, 2)
+#define F2FS_IOC_START_VOLATILE_WRITE   _IO(F2FS_IOCTL_MAGIC, 3)
 
 #if defined(__KERNEL__) && defined(CONFIG_COMPAT)
 /*
@@ -1060,6 +1061,7 @@ enum {
         FI_UPDATE_WRITE,        /* inode has in-place-update data */
         FI_NEED_IPU,            /* used for ipu per file */
         FI_ATOMIC_FILE,         /* indicate atomic file */
+        FI_VOLATILE_FILE,       /* indicate volatile file */
 };
 
 static inline void set_inode_flag(struct f2fs_inode_info *fi, int flag)
@@ -1151,6 +1153,11 @@ static inline bool f2fs_is_atomic_file(struct inode *inode)
         return is_inode_flag_set(F2FS_I(inode), FI_ATOMIC_FILE);
 }
 
+static inline bool f2fs_is_volatile_file(struct inode *inode)
+{
+        return is_inode_flag_set(F2FS_I(inode), FI_VOLATILE_FILE);
+}
+
 static inline void *inline_data_addr(struct page *page)
 {
         struct f2fs_inode *ri = F2FS_INODE(page);