diff options
| -rw-r--r-- | fs/gfs2/incore.h | 1 | ||||
| -rw-r--r-- | fs/gfs2/ops_fstype.c | 1 | ||||
| -rw-r--r-- | fs/gfs2/quota.c | 6 |
3 files changed, 6 insertions, 2 deletions
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index 37b3cd795d6c..2ab4f8d8f4c4 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -714,6 +714,7 @@ struct gfs2_sbd { struct list_head sd_quota_list; atomic_t sd_quota_count; struct mutex sd_quota_mutex; + struct mutex sd_quota_sync_mutex; wait_queue_head_t sd_quota_wait; struct list_head sd_trunc_list; spinlock_t sd_trunc_lock; diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index 8e40fda985d6..82303b474958 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -93,6 +93,7 @@ static struct gfs2_sbd *init_sbd(struct super_block *sb) INIT_LIST_HEAD(&sdp->sd_quota_list); mutex_init(&sdp->sd_quota_mutex); + mutex_init(&sdp->sd_quota_sync_mutex); init_waitqueue_head(&sdp->sd_quota_wait); INIT_LIST_HEAD(&sdp->sd_trunc_list); spin_lock_init(&sdp->sd_trunc_lock); diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c index cfb4cdeddacb..4a9726aa191f 100644 --- a/fs/gfs2/quota.c +++ b/fs/gfs2/quota.c @@ -1132,12 +1132,13 @@ int gfs2_quota_sync(struct super_block *sb, int type) unsigned int x; int error = 0; - sdp->sd_quota_sync_gen++; - qda = kcalloc(max_qd, sizeof(struct gfs2_quota_data *), GFP_KERNEL); if (!qda) return -ENOMEM; + mutex_lock(&sdp->sd_quota_sync_mutex); + sdp->sd_quota_sync_gen++; + do { num_qd = 0; @@ -1162,6 +1163,7 @@ int gfs2_quota_sync(struct super_block *sb, int type) } } while (!error && num_qd == max_qd); + mutex_unlock(&sdp->sd_quota_sync_mutex); kfree(qda); return error; |