[PATCH 6/6] f2fs: add noinline_dentry mount option

[Chao Yu]

This patch adds noinline_dentry mount option.

Signed-off-by: Chao Yu <yuch...@huawei.com>
---
 Documentation/filesystems/f2fs.txt | 1 +
 fs/f2fs/super.c                    | 7 +++++++
 2 files changed, 8 insertions(+)

diff --git a/Documentation/filesystems/f2fs.txt 
b/Documentation/filesystems/f2fs.txt
index e1c9f08..ee3a6c9 100644
--- a/Documentation/filesystems/f2fs.txt
+++ b/Documentation/filesystems/f2fs.txt
@@ -151,6 +151,7 @@ noinline_data          Disable the inline data feature, 
inline data feature is
                        enabled by default.
 data_flush             Enable data flushing before checkpoint in order to
                        persist data of regular and symlink.
+noextent_cache         Disable the inline dentry feature.
 
 
================================================================================
 DEBUGFS ENTRIES
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 4a4f4bd..de2cb78 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -83,6 +83,7 @@ enum {
        Opt_noinline_data,
        Opt_data_flush,
        Opt_fault_injection,
+       Opt_noinline_dentry,
        Opt_err,
 };
 
@@ -109,6 +110,7 @@ static match_table_t f2fs_tokens = {
        {Opt_noinline_data, "noinline_data"},
        {Opt_data_flush, "data_flush"},
        {Opt_fault_injection, "fault_injection=%u"},
+       {Opt_noinline_dentry, "noinline_dentry"},
        {Opt_err, NULL},
 };
 
@@ -463,6 +465,9 @@ static int parse_options(struct super_block *sb, char 
*options)
                                "FAULT_INJECTION was not selected");
 #endif
                        break;
+               case Opt_noinline_dentry:
+                       clear_opt(sbi, INLINE_DENTRY);
+                       break;
                default:
                        f2fs_msg(sb, KERN_ERR,
                                "Unrecognized mount option \"%s\" or missing 
value",
@@ -732,6 +737,8 @@ static int f2fs_show_options(struct seq_file *seq, struct 
dentry *root)
                seq_puts(seq, ",noinline_data");
        if (test_opt(sbi, INLINE_DENTRY))
                seq_puts(seq, ",inline_dentry");
+       else
+               seq_puts(seq, ",noinline_dentry");
        if (!f2fs_readonly(sbi->sb) && test_opt(sbi, FLUSH_MERGE))
                seq_puts(seq, ",flush_merge");
        if (test_opt(sbi, NOBARRIER))
-- 
2.8.2.311.gee88674