LU-15171 osd-ldiskfs: xattr_sem locking is missing for dquot_transfer

[fs/lustre-release.git] / lustre / osd-ldiskfs / osd_handler.c

diff --git a/lustre/osd-ldiskfs/osd_handler.c b/lustre/osd-ldiskfs/osd_handler.c
index 1b94f32..34f8465 100644 (file)
--- a/lustre/osd-ldiskfs/osd_handler.c
+++ b/lustre/osd-ldiskfs/osd_handler.c
@@ -3062,7 +3062,9 @@ static int osd_transfer_project(struct inode *inode, __u32 projid,
        dquot_initialize(inode);
        transfer_to[PRJQUOTA] = dqget(sb, make_kqid_projid(kprojid));
        if (transfer_to[PRJQUOTA]) {
+               lock_dquot_transfer(inode);
                err = __dquot_transfer(inode, transfer_to);
+               unlock_dquot_transfer(inode);
                dqput(transfer_to[PRJQUOTA]);
                if (err)
                        return err;
@@ -3095,7 +3097,9 @@ static int osd_quota_transfer(struct inode *inode, const struct lu_attr *attr,
                iattr.ia_uid = make_kuid(&init_user_ns, attr->la_uid);
                iattr.ia_gid = make_kgid(&init_user_ns, attr->la_gid);
 
+               lock_dquot_transfer(inode);
                rc = dquot_transfer(inode, &iattr);
+               unlock_dquot_transfer(inode);
                if (rc) {
                        CERROR("%s: quota transfer failed. Is quota enforcement enabled on the ldiskfs filesystem? rc = %d\n",
                               osd_ino2name(inode), rc);