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f2fs: add lazytime mount option 

This patch adds lazytime support.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
steinar/wifi_calib_4_9_kernel
Jaegeuk Kim 2016-05-20 21:47:24 -07:00
parent 26de9b1171
commit 6d94c74ab8
1 changed files with 14 additions and 0 deletions
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14
fs/f2fs/super.c
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@ -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",
@ -613,6 +623,9 @@ 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);
@ -932,6 +945,7 @@ 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);