f2fs: add flags and helpers to support inline data

[platform/adaptation/renesas_rcar/renesas_kernel.git] / fs / f2fs / f2fs.h

diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index c8eb37e..72456ec 100644 (file)
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -39,6 +39,7 @@
 #define F2FS_MOUNT_POSIX_ACL           0x00000020
 #define F2FS_MOUNT_DISABLE_EXT_IDENTIFY        0x00000040
 #define F2FS_MOUNT_INLINE_XATTR                0x00000080
+#define F2FS_MOUNT_INLINE_DATA         0x00000100
 
 #define clear_opt(sbi, option) (sbi->mount_opt.opt &= ~F2FS_MOUNT_##option)
 #define set_opt(sbi, option)   (sbi->mount_opt.opt |= F2FS_MOUNT_##option)
@@ -899,6 +900,7 @@ enum {
        FI_DELAY_IPUT,          /* used for the recovery */
        FI_NO_EXTENT,           /* not to use the extent cache */
        FI_INLINE_XATTR,        /* used for inline xattr */
+       FI_INLINE_DATA,         /* used for inline data*/
 };
 
 static inline void set_inode_flag(struct f2fs_inode_info *fi, int flag)
@@ -936,6 +938,8 @@ static inline void get_inline_info(struct f2fs_inode_info *fi,
 {
        if (ri->i_inline & F2FS_INLINE_XATTR)
                set_inode_flag(fi, FI_INLINE_XATTR);
+       if (ri->i_inline & F2FS_INLINE_DATA)
+               set_inode_flag(fi, FI_INLINE_DATA);
 }
 
 static inline void set_raw_inline(struct f2fs_inode_info *fi,
@@ -945,6 +949,8 @@ static inline void set_raw_inline(struct f2fs_inode_info *fi,
 
        if (is_inode_flag_set(fi, FI_INLINE_XATTR))
                ri->i_inline |= F2FS_INLINE_XATTR;
+       if (is_inode_flag_set(fi, FI_INLINE_DATA))
+               ri->i_inline |= F2FS_INLINE_DATA;
 }
 
 static inline unsigned int addrs_per_inode(struct f2fs_inode_info *fi)
@@ -970,6 +976,13 @@ static inline int inline_xattr_size(struct inode *inode)
                return 0;
 }
 
+static inline void *inline_data_addr(struct page *page)
+{
+       struct f2fs_inode *ri;
+       ri = (struct f2fs_inode *)page_address(page);
+       return (void *)&(ri->i_addr[1]);
+}
+
 static inline int f2fs_readonly(struct super_block *sb)
 {
        return sb->s_flags & MS_RDONLY;
@@ -1265,4 +1278,5 @@ extern const struct address_space_operations f2fs_meta_aops;
 extern const struct inode_operations f2fs_dir_inode_operations;
 extern const struct inode_operations f2fs_symlink_inode_operations;
 extern const struct inode_operations f2fs_special_inode_operations;
+
 #endif