Re: [PATCH] f2fs: enable inline data by default

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Hi,

> 
> Enable inline_data feature by default since it brings us better 
> performance and space utilization and now has already stable.
> 
> Signed-off-by: Wanpeng Li <wanpeng.li@xxxxxxxxxxxxxxx>
> ---
> Documentation/filesystems/f2fs.txt |  2 --
> fs/f2fs/f2fs.h                     | 11 +++++------
> fs/f2fs/inline.c                   |  3 ---
> fs/f2fs/super.c                    |  7 -------
> 4 files changed, 5 insertions(+), 18 deletions(-)
> 
> diff --git a/Documentation/filesystems/f2fs.txt b/Documentation/filesystems/f2fs.txt
> index 48e2123..6c9c947 100644
> --- a/Documentation/filesystems/f2fs.txt
> +++ b/Documentation/filesystems/f2fs.txt
> @@ -122,8 +122,6 @@ active_logs=%u         Support configuring the number of active logs. In the
> disable_ext_identify   Disable the extension list configured by mkfs, so f2fs
>                        does not aware of cold files such as media files.
> inline_xattr           Enable the inline xattrs feature.
> -inline_data            Enable the inline data feature: New created small(<~3.4k)
> -                       files can be written into inode block.
> inline_dentry          Enable the inline dir feature: data in new created
>                        directory entries can be written into inode block. The
>                        space of inode block which is used to store inline
> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
> index f2909c6..5849520 100644
> --- a/fs/f2fs/f2fs.h
> +++ b/fs/f2fs/f2fs.h
> @@ -45,12 +45,11 @@
> #define F2FS_MOUNT_POSIX_ACL		0x00000020
> #define F2FS_MOUNT_DISABLE_EXT_IDENTIFY	0x00000040
> #define F2FS_MOUNT_INLINE_XATTR		0x00000080
> -#define F2FS_MOUNT_INLINE_DATA		0x00000100
> -#define F2FS_MOUNT_INLINE_DENTRY	0x00000200
> -#define F2FS_MOUNT_FLUSH_MERGE		0x00000400
> -#define F2FS_MOUNT_NOBARRIER		0x00000800
> -#define F2FS_MOUNT_FASTBOOT		0x00001000
> -#define F2FS_MOUNT_EXTENT_CACHE		0x00002000
> +#define F2FS_MOUNT_INLINE_DENTRY	0x00000100
> +#define F2FS_MOUNT_FLUSH_MERGE		0x00000200
> +#define F2FS_MOUNT_NOBARRIER		0x00000400
> +#define F2FS_MOUNT_FASTBOOT		0x00000800
> +#define F2FS_MOUNT_EXTENT_CACHE		0x00001000
> 
> #define clear_opt(sbi, option)	(sbi->mount_opt.opt &= ~F2FS_MOUNT_##option)
> #define set_opt(sbi, option)	(sbi->mount_opt.opt |= F2FS_MOUNT_##option)
> diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
> index d3e0599..d67bc0d 100644
> --- a/fs/f2fs/inline.c
> +++ b/fs/f2fs/inline.c
> @@ -15,9 +15,6 @@
> 
> bool f2fs_may_inline(struct inode *inode)
> {
> -	if (!test_opt(F2FS_I_SB(inode), INLINE_DATA))
> -		return false;
> -
> 	if (f2fs_is_atomic_file(inode))
> 		return false;
> 
> diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
> index fc6857f..f008222 100644
> --- a/fs/f2fs/super.c
> +++ b/fs/f2fs/super.c
> @@ -52,7 +52,6 @@ enum {
> 	Opt_active_logs,
> 	Opt_disable_ext_identify,
> 	Opt_inline_xattr,
> -	Opt_inline_data,
> 	Opt_inline_dentry,
> 	Opt_flush_merge,
> 	Opt_nobarrier,
> @@ -74,7 +73,6 @@ 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_inline_dentry, "inline_dentry"},
> 	{Opt_flush_merge, "flush_merge"},
> 	{Opt_nobarrier, "nobarrier"},
> @@ -354,9 +352,6 @@ 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;
> 		case Opt_inline_dentry:
> 			set_opt(sbi, INLINE_DENTRY);
> 			break;
> @@ -594,8 +589,6 @@ 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”);

Wow, do you remove inline_data mount options?
I don’t think this is a good idea..since mount option have
been there…


> 	if (test_opt(sbi, INLINE_DENTRY))
> 		seq_puts(seq, ",inline_dentry");
> 	if (!f2fs_readonly(sbi->sb) && test_opt(sbi, FLUSH_MERGE))
> -- 
> 2.1.0
> 
> --
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Best Regards,
Wang Shilong

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