[PATCH 11/12] jfs: Convert to private i_dquot field

Jan Kara
2014-10-10T14:55:22Z

CC: Dave Kleikamp <shaggy@kernel.org>
CC: jfs-discussion@lists.sourceforge.net
Signed-off-by: Jan Kara <jack@suse.cz>
---
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];
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
+};
+
static const struct export_operations jfs_export_operations = {
.fh_to_dentry = jfs_fh_to_dentry,
.fh_to_parent = jfs_fh_to_parent,