Re: [PATCH v3 2/3] ext4: use inode_set_cached_link()

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On Wed 20-11-24 12:20:35, Mateusz Guzik wrote:
> Signed-off-by: Mateusz Guzik <mjguzik@xxxxxxxxx>

Looks good to me. Feel free to add:

Reviewed-by: Jan Kara <jack@xxxxxxx>

								Honza

> ---
>  fs/ext4/inode.c | 3 ++-
>  fs/ext4/namei.c | 4 +++-
>  2 files changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
> index 89aade6f45f6..7c54ae5fcbd4 100644
> --- a/fs/ext4/inode.c
> +++ b/fs/ext4/inode.c
> @@ -5006,10 +5006,11 @@ struct inode *__ext4_iget(struct super_block *sb, unsigned long ino,
>  		if (IS_ENCRYPTED(inode)) {
>  			inode->i_op = &ext4_encrypted_symlink_inode_operations;
>  		} else if (ext4_inode_is_fast_symlink(inode)) {
> -			inode->i_link = (char *)ei->i_data;
>  			inode->i_op = &ext4_fast_symlink_inode_operations;
>  			nd_terminate_link(ei->i_data, inode->i_size,
>  				sizeof(ei->i_data) - 1);
> +			inode_set_cached_link(inode, (char *)ei->i_data,
> +					      inode->i_size);
>  		} else {
>  			inode->i_op = &ext4_symlink_inode_operations;
>  		}
> diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
> index bcf2737078b8..536d56d15072 100644
> --- a/fs/ext4/namei.c
> +++ b/fs/ext4/namei.c
> @@ -3418,7 +3418,6 @@ static int ext4_symlink(struct mnt_idmap *idmap, struct inode *dir,
>  			inode->i_op = &ext4_symlink_inode_operations;
>  		} else {
>  			inode->i_op = &ext4_fast_symlink_inode_operations;
> -			inode->i_link = (char *)&EXT4_I(inode)->i_data;
>  		}
>  	}
>  
> @@ -3434,6 +3433,9 @@ static int ext4_symlink(struct mnt_idmap *idmap, struct inode *dir,
>  		       disk_link.len);
>  		inode->i_size = disk_link.len - 1;
>  		EXT4_I(inode)->i_disksize = inode->i_size;
> +		if (!IS_ENCRYPTED(inode))
> +			inode_set_cached_link(inode, (char *)&EXT4_I(inode)->i_data,
> +					      inode->i_size);
>  	}
>  	err = ext4_add_nondir(handle, dentry, &inode);
>  	if (handle)
> -- 
> 2.43.0
> 
-- 
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR




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