Re: [PATCH -next 1/2] ext4: factor out ext4_fc_disabled()

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On Thu 15-09-22 21:56:10, Ye Bin wrote:
> Factor out ext4_fc_disabled(). No functional change.
> 
> Signed-off-by: Ye Bin <yebin10@xxxxxxxxxx>
> ---
>  fs/ext4/fast_commit.c | 38 +++++++++++++++-----------------------
>  1 file changed, 15 insertions(+), 23 deletions(-)

Nice. Feel free to add:

Reviewed-by: Jan Kara <jack@xxxxxxx>

								Honza


> 
> diff --git a/fs/ext4/fast_commit.c b/fs/ext4/fast_commit.c
> index b7414a5812f6..eadab945b856 100644
> --- a/fs/ext4/fast_commit.c
> +++ b/fs/ext4/fast_commit.c
> @@ -229,6 +229,12 @@ __releases(&EXT4_SB(inode->i_sb)->s_fc_lock)
>  	finish_wait(wq, &wait.wq_entry);
>  }
>  
> +static bool ext4_fc_disabled(struct super_block *sb)
> +{
> +	return (!test_opt2(sb, JOURNAL_FAST_COMMIT) ||
> +		(EXT4_SB(sb)->s_mount_state & EXT4_FC_REPLAY));
> +}
> +
>  /*
>   * Inform Ext4's fast about start of an inode update
>   *
> @@ -240,8 +246,7 @@ void ext4_fc_start_update(struct inode *inode)
>  {
>  	struct ext4_inode_info *ei = EXT4_I(inode);
>  
> -	if (!test_opt2(inode->i_sb, JOURNAL_FAST_COMMIT) ||
> -	    (EXT4_SB(inode->i_sb)->s_mount_state & EXT4_FC_REPLAY))
> +	if (ext4_fc_disabled(inode->i_sb))
>  		return;
>  
>  restart:
> @@ -265,8 +270,7 @@ void ext4_fc_stop_update(struct inode *inode)
>  {
>  	struct ext4_inode_info *ei = EXT4_I(inode);
>  
> -	if (!test_opt2(inode->i_sb, JOURNAL_FAST_COMMIT) ||
> -	    (EXT4_SB(inode->i_sb)->s_mount_state & EXT4_FC_REPLAY))
> +	if (ext4_fc_disabled(inode->i_sb))
>  		return;
>  
>  	if (atomic_dec_and_test(&ei->i_fc_updates))
> @@ -283,8 +287,7 @@ void ext4_fc_del(struct inode *inode)
>  	struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
>  	struct ext4_fc_dentry_update *fc_dentry;
>  
> -	if (!test_opt2(inode->i_sb, JOURNAL_FAST_COMMIT) ||
> -	    (EXT4_SB(inode->i_sb)->s_mount_state & EXT4_FC_REPLAY))
> +	if (ext4_fc_disabled(inode->i_sb))
>  		return;
>  
>  restart:
> @@ -337,8 +340,7 @@ void ext4_fc_mark_ineligible(struct super_block *sb, int reason, handle_t *handl
>  	struct ext4_sb_info *sbi = EXT4_SB(sb);
>  	tid_t tid;
>  
> -	if (!test_opt2(sb, JOURNAL_FAST_COMMIT) ||
> -	    (EXT4_SB(sb)->s_mount_state & EXT4_FC_REPLAY))
> +	if (ext4_fc_disabled(sb))
>  		return;
>  
>  	ext4_set_mount_flag(sb, EXT4_MF_FC_INELIGIBLE);
> @@ -493,10 +495,8 @@ void __ext4_fc_track_unlink(handle_t *handle,
>  void ext4_fc_track_unlink(handle_t *handle, struct dentry *dentry)
>  {
>  	struct inode *inode = d_inode(dentry);
> -	struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
>  
> -	if (!test_opt2(inode->i_sb, JOURNAL_FAST_COMMIT) ||
> -	    (sbi->s_mount_state & EXT4_FC_REPLAY))
> +	if (ext4_fc_disabled(inode->i_sb))
>  		return;
>  
>  	if (ext4_test_mount_flag(inode->i_sb, EXT4_MF_FC_INELIGIBLE))
> @@ -522,10 +522,8 @@ void __ext4_fc_track_link(handle_t *handle,
>  void ext4_fc_track_link(handle_t *handle, struct dentry *dentry)
>  {
>  	struct inode *inode = d_inode(dentry);
> -	struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
>  
> -	if (!test_opt2(inode->i_sb, JOURNAL_FAST_COMMIT) ||
> -	    (sbi->s_mount_state & EXT4_FC_REPLAY))
> +	if (ext4_fc_disabled(inode->i_sb))
>  		return;
>  
>  	if (ext4_test_mount_flag(inode->i_sb, EXT4_MF_FC_INELIGIBLE))
> @@ -551,10 +549,8 @@ void __ext4_fc_track_create(handle_t *handle, struct inode *inode,
>  void ext4_fc_track_create(handle_t *handle, struct dentry *dentry)
>  {
>  	struct inode *inode = d_inode(dentry);
> -	struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
>  
> -	if (!test_opt2(inode->i_sb, JOURNAL_FAST_COMMIT) ||
> -	    (sbi->s_mount_state & EXT4_FC_REPLAY))
> +	if (ext4_fc_disabled(inode->i_sb))
>  		return;
>  
>  	if (ext4_test_mount_flag(inode->i_sb, EXT4_MF_FC_INELIGIBLE))
> @@ -576,7 +572,6 @@ static int __track_inode(struct inode *inode, void *arg, bool update)
>  
>  void ext4_fc_track_inode(handle_t *handle, struct inode *inode)
>  {
> -	struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
>  	int ret;
>  
>  	if (S_ISDIR(inode->i_mode))
> @@ -588,8 +583,7 @@ void ext4_fc_track_inode(handle_t *handle, struct inode *inode)
>  		return;
>  	}
>  
> -	if (!test_opt2(inode->i_sb, JOURNAL_FAST_COMMIT) ||
> -	    (sbi->s_mount_state & EXT4_FC_REPLAY))
> +	if (ext4_fc_disabled(inode->i_sb))
>  		return;
>  
>  	if (ext4_test_mount_flag(inode->i_sb, EXT4_MF_FC_INELIGIBLE))
> @@ -634,15 +628,13 @@ static int __track_range(struct inode *inode, void *arg, bool update)
>  void ext4_fc_track_range(handle_t *handle, struct inode *inode, ext4_lblk_t start,
>  			 ext4_lblk_t end)
>  {
> -	struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
>  	struct __track_range_args args;
>  	int ret;
>  
>  	if (S_ISDIR(inode->i_mode))
>  		return;
>  
> -	if (!test_opt2(inode->i_sb, JOURNAL_FAST_COMMIT) ||
> -	    (sbi->s_mount_state & EXT4_FC_REPLAY))
> +	if (ext4_fc_disabled(inode->i_sb))
>  		return;
>  
>  	if (ext4_test_mount_flag(inode->i_sb, EXT4_MF_FC_INELIGIBLE))
> -- 
> 2.31.1
> 
-- 
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR



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