On Fri 10-10-14 10:33:02, Dave Kleikamp wrote:
> 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?
There's no good reason, I'll move the definition. The code got created this
way because I added the table in all filesystems after jfs_super_operations
definition but JFS needed the structure earlier... Thanks for review.
Honza
--
Jan Kara <jack@xxxxxxx>
SUSE Labs, CR
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