On 10/10/2014 09:55 AM, Jan Kara wrote:
> CC: Dave Kleikamp <shaggy@xxxxxxxxxx>
> CC: jfs-discussion@xxxxxxxxxxxxxxxxxxxxx
> Signed-off-by: Jan Kara <jack@xxxxxxx>
> ---
> fs/jfs/jfs_incore.h | 3 +++
> fs/jfs/super.c | 13 +++++++++++++
> 2 files changed, 16 insertions(+)
>
> diff --git a/fs/jfs/jfs_incore.h b/fs/jfs/jfs_incore.h
> index cf47f09e8ac8..fa7e795bd8ae 100644
> --- a/fs/jfs/jfs_incore.h
> +++ b/fs/jfs/jfs_incore.h
> @@ -94,6 +94,9 @@ struct jfs_inode_info {
> unchar _inline_ea[128]; /* 128: inline extended attr */
> } link;
> } u;
> +#ifdef CONFIG_QUOTA
> + struct dquot *i_dquot[MAXQUOTAS];
> +#endif
> u32 dev; /* will die when we get wide dev_t */
> struct inode vfs_inode;
> };
> diff --git a/fs/jfs/super.c b/fs/jfs/super.c
> index adf8cb045b9e..a13727dd3826 100644
> --- a/fs/jfs/super.c
> +++ b/fs/jfs/super.c
> @@ -54,6 +54,7 @@ static struct kmem_cache *jfs_inode_cachep;
>
> static const struct super_operations jfs_super_operations;
> static const struct export_operations jfs_export_operations;
> +static const int jfs_inode_fields[IF_FIELD_NR];
see below
> static struct file_system_type jfs_fs_type;
>
> #define MAX_COMMIT_THREADS 64
> @@ -117,6 +118,9 @@ static struct inode *jfs_alloc_inode(struct super_block *sb)
> jfs_inode = kmem_cache_alloc(jfs_inode_cachep, GFP_NOFS);
> if (!jfs_inode)
> return NULL;
> +#ifdef CONFIG_QUOTA
> + memset(&jfs_inode->i_dquot, 0, sizeof(jfs_inode->i_dquot));
> +#endif
> return &jfs_inode->vfs_inode;
> }
>
> @@ -537,7 +541,9 @@ static int jfs_fill_super(struct super_block *sb, void *data, int silent)
> #ifdef CONFIG_QUOTA
> sb->dq_op = &dquot_operations;
> sb->s_qcop = &dquot_quotactl_ops;
> + sb_dqopt(sb)->allowed_types = QTYPE_MASK_USR | QTYPE_MASK_GRP;
> #endif
> + sb_init_inode_fields(sb, jfs_inode_fields);
>
> /*
> * Initialize direct-mapping inode/address-space
> @@ -857,6 +863,13 @@ static const struct super_operations jfs_super_operations = {
> #endif
> };
>
> +static const int jfs_inode_fields[IF_FIELD_NR] = {
> +#ifdef CONFIG_QUOTA
> + [IF_DQUOTS] = (int)offsetof(struct jfs_inode_info, i_dquot) -
> + (int)offsetof(struct jfs_inode_info, vfs_inode),
> +#endif
> +};
Why isn't the initialization done up above where jfs_inode_fields is
first defined?
> +
> static const struct export_operations jfs_export_operations = {
> .fh_to_dentry = jfs_fh_to_dentry,
> .fh_to_parent = jfs_fh_to_parent,
>
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