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    Subject[PATCH 09/12] f2fs: add lazytime mount option
    Date
    This patch adds lazytime support.

    Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
    ---
    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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      Last update: 2016-05-25 02:21    [W:2.270 / U:0.088 seconds]
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