This patch adds lazytime support.
Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---
fs/f2fs/super.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index e9e81cb..d0426a3 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -93,6 +93,8 @@ enum {
Opt_noinline_data,
Opt_data_flush,
Opt_fault_injection,
+ Opt_lazytime,
+ Opt_nolazytime,
Opt_err,
};
@@ -119,6 +121,8 @@ static match_table_t f2fs_tokens = {
{Opt_noinline_data, "noinline_data"},
{Opt_data_flush, "data_flush"},
{Opt_fault_injection, "fault_injection=%u"},
+ {Opt_lazytime, "lazytime"},
+ {Opt_nolazytime, "nolazytime"},
{Opt_err, NULL},
};
@@ -506,6 +510,12 @@ static int parse_options(struct super_block *sb, char *options)
"FAULT_INJECTION was not selected");
#endif
break;
+ case Opt_lazytime:
+ sb->s_flags |= MS_LAZYTIME;
+ break;
+ case Opt_nolazytime:
+ sb->s_flags &= ~MS_LAZYTIME;
+ break;
default:
f2fs_msg(sb, KERN_ERR,
"Unrecognized mount option \"%s\" or missing value",
@@ -598,6 +608,9 @@ static void f2fs_dirty_inode(struct inode *inode, int flags)
inode->i_ino == F2FS_META_INO(sbi))
return;
+ if (flags == I_DIRTY_TIME)
+ return;
+
if (is_inode_flag_set(inode, FI_AUTO_RECOVER))
clear_inode_flag(inode, FI_AUTO_RECOVER);
@@ -917,6 +930,7 @@ static void default_options(struct f2fs_sb_info *sbi)
set_opt(sbi, BG_GC);
set_opt(sbi, INLINE_DATA);
set_opt(sbi, EXTENT_CACHE);
+ sbi->sb->s_flags |= MS_LAZYTIME;
#ifdef CONFIG_F2FS_FS_XATTR
set_opt(sbi, XATTR_USER);
--
2.6.3
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