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

Jan Kara
2022-09-15T14:29:33Z

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@huawei.com>
> ---
> fs/ext4/fast_commit.c | 38 +++++++++++++++-----------------------
> 1 file changed, 15 insertions(+), 23 deletions(-)

Nice. Feel free to add:

Reviewed-by: Jan Kara <jack@suse.cz>

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@suse.com>
SUSE Labs, CR