Re: [PATCH v2 4/4] ext4: weed out ext4_write_super

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On Mon 02-04-12 14:45:40, Artem Bityutskiy wrote:
> From: Artem Bityutskiy <artem.bityutskiy@xxxxxxxxxxxxxxx>
> 
> We do not depend on VFS's '->write_super()' anymore and do not need the
> 's_dirt' flag anymore. This patch weeds out 'ext4_write_super()' and the
> 's_dirt' usage in VFS.
> 
> Signed-off-by: Artem Bityutskiy <artem.bityutskiy@xxxxxxxxxxxxxxx>
  Looks good.
Reviewed-by: Jan Kara <jack@xxxxxxx>

								Honza
> ---
>  fs/ext4/super.c |   10 ----------
>  1 files changed, 0 insertions(+), 10 deletions(-)
> 
> diff --git a/fs/ext4/super.c b/fs/ext4/super.c
> index 6b45785..0818eef 100644
> --- a/fs/ext4/super.c
> +++ b/fs/ext4/super.c
> @@ -73,7 +73,6 @@ static const char *ext4_decode_error(struct super_block *sb, int errno,
>  static int ext4_remount(struct super_block *sb, int *flags, char *data);
>  static int ext4_statfs(struct dentry *dentry, struct kstatfs *buf);
>  static int ext4_unfreeze(struct super_block *sb);
> -static void ext4_write_super(struct super_block *sb);
>  static int ext4_freeze(struct super_block *sb);
>  static struct dentry *ext4_mount(struct file_system_type *fs_type, int flags,
>  		       const char *dev_name, void *data);
> @@ -1148,7 +1147,6 @@ static const struct super_operations ext4_nojournal_sops = {
>  	.dirty_inode	= ext4_dirty_inode,
>  	.drop_inode	= ext4_drop_inode,
>  	.evict_inode	= ext4_evict_inode,
> -	.write_super	= ext4_write_super,
>  	.put_super	= ext4_put_super,
>  	.statfs		= ext4_statfs,
>  	.remount_fs	= ext4_remount,
> @@ -4038,7 +4036,6 @@ int ext4_commit_super(struct super_block *sb, int sync)
>  	es->s_free_inodes_count =
>  		cpu_to_le32(percpu_counter_sum_positive(
>  				&EXT4_SB(sb)->s_freeinodes_counter));
> -	sb->s_dirt = 0;
>  	BUFFER_TRACE(sbh, "marking dirty");
>  	mark_buffer_dirty(sbh);
>  	if (sync) {
> @@ -4144,13 +4141,6 @@ int ext4_force_commit(struct super_block *sb)
>  	return ret;
>  }
>  
> -static void ext4_write_super(struct super_block *sb)
> -{
> -	lock_super(sb);
> -	ext4_commit_super(sb, 1);
> -	unlock_super(sb);
> -}
> -
>  static int ext4_sync_fs(struct super_block *sb, int wait)
>  {
>  	int ret = 0;
> -- 
> 1.7.7.6
> 
-- 
Jan Kara <jack@xxxxxxx>
SUSE Labs, CR
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