f2fs: add a new mount option: inline_data

Add a mount option: inline_data. If the mount option is set,
data of New created small files can be stored in their inode.

Signed-off-by: Huajun Li <huajun.li@intel.com>
Signed-off-by: Haicheng Li <haicheng.li@linux.intel.com>
Signed-off-by: Weihong Xu <weihong.xu@intel.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 9981b28744edcd593730894831ceef4c0483c150..43f11cae408bfdb8e1ab3d0a8807ee8402a1db99 100644 (file)
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -50,6 +50,7 @@ enum {
        Opt_active_logs,
        Opt_disable_ext_identify,
        Opt_inline_xattr,
+       Opt_inline_data,
        Opt_err,
 };
 
@@ -65,6 +66,7 @@ static match_table_t f2fs_tokens = {
        {Opt_active_logs, "active_logs=%u"},
        {Opt_disable_ext_identify, "disable_ext_identify"},
        {Opt_inline_xattr, "inline_xattr"},
+       {Opt_inline_data, "inline_data"},
        {Opt_err, NULL},
 };
 
@@ -313,6 +315,9 @@ static int parse_options(struct super_block *sb, char *options)
                case Opt_disable_ext_identify:
                        set_opt(sbi, DISABLE_EXT_IDENTIFY);
                        break;
+               case Opt_inline_data:
+                       set_opt(sbi, INLINE_DATA);
+                       break;
                default:
                        f2fs_msg(sb, KERN_ERR,
                                "Unrecognized mount option \"%s\" or missing value",
@@ -510,7 +515,8 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
 #endif
        if (test_opt(sbi, DISABLE_EXT_IDENTIFY))
                seq_puts(seq, ",disable_ext_identify");
-
+       if (test_opt(sbi, INLINE_DATA))
+               seq_puts(seq, ",inline_data");
        seq_printf(seq, ",active_logs=%u", sbi->active_logs);
 
        return 0;