CC: linux-ext4@xxxxxxxxxxxxxxx
CC: "Theodore Ts'o" <tytso@xxxxxxx>
Signed-off-by: Jan Kara <jack@xxxxxxx>
---
fs/ext4/ext4.h | 4 ++++
fs/ext4/super.c | 8 ++++++++
2 files changed, 12 insertions(+)
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index c55a1faaed58..db3f772e57ae 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -941,6 +941,10 @@ struct ext4_inode_info {
tid_t i_sync_tid;
tid_t i_datasync_tid;
+#ifdef CONFIG_QUOTA
+ struct dquot *i_dquot[MAXQUOTAS];
+#endif
+
/* Precomputed uuid+inum+igen checksum for seeding inode checksums */
__u32 i_csum_seed;
};
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 1eda6ab0ef9d..07ca5711cbce 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -892,6 +892,7 @@ static struct inode *ext4_alloc_inode(struct super_block *sb)
spin_lock_init(&(ei->i_block_reservation_lock));
#ifdef CONFIG_QUOTA
ei->i_reserved_quota = 0;
+ memset(&ei->i_dquot, 0, sizeof(ei->i_dquot));
#endif
ei->jinode = NULL;
INIT_LIST_HEAD(&ei->i_rsv_conversion_list);
@@ -1068,6 +1069,11 @@ static int ext4_quota_enable(struct super_block *sb, int type, int format_id,
unsigned int flags);
static int ext4_enable_quotas(struct super_block *sb);
+static struct dquot **ext4_get_dquots(struct inode *inode)
+{
+ return EXT4_I(inode)->i_dquot;
+}
+
static const struct dquot_operations ext4_quota_operations = {
.get_reserved_space = ext4_get_reserved_space,
.write_dquot = ext4_write_dquot,
@@ -1117,6 +1123,7 @@ static const struct super_operations ext4_sops = {
#ifdef CONFIG_QUOTA
.quota_read = ext4_quota_read,
.quota_write = ext4_quota_write,
+ .get_dquots = ext4_get_dquots,
#endif
.bdev_try_to_free_page = bdev_try_to_free_page,
};
@@ -3928,6 +3935,7 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
sb->s_qcop = &ext4_qctl_sysfile_operations;
else
sb->s_qcop = &ext4_qctl_operations;
+ sb->s_quota_types = QTYPE_MASK_USR | QTYPE_MASK_GRP;
#endif
memcpy(sb->s_uuid, es->s_uuid, sizeof(es->s_uuid));
--
1.8.1.4
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