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>

1 files changed, 7 insertions, 1 deletions

diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 9981b28744ed..43f11cae408b 100644
--- 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;