Commit 8ac33dc8 authored by Tao Ma's avatar Tao Ma Committed by Joel Becker
Browse files

ocfs2: Hold ip_lock when set/clear flags for indexed dir. 



When we set/clear the dyn_features for an inode we hold the ip_lock.
So do it when we set/clear OCFS2_INDEXED_DIR_FL also.

Signed-off-by: default avatarTao Ma <boyu.mt@taobao.com>
Signed-off-by: default avatarJoel Becker <joel.becker@oracle.com>
parent 41b41a26

fs/ocfs2/dir.c

+4 −0
Original line number Diff line number Diff line
@@ -2461,8 +2461,10 @@ static int ocfs2_dx_dir_attach_index(struct ocfs2_super *osb, 


	di->i_dx_root = cpu_to_le64(dr_blkno);



	spin_lock(&OCFS2_I(dir)->ip_lock);

	OCFS2_I(dir)->ip_dyn_features |= OCFS2_INDEXED_DIR_FL;

	di->i_dyn_features = cpu_to_le16(OCFS2_I(dir)->ip_dyn_features);

	spin_unlock(&OCFS2_I(dir)->ip_lock);



	ocfs2_journal_dirty(handle, di_bh);
@@ -4466,8 +4468,10 @@ static int ocfs2_dx_dir_remove_index(struct inode *dir, 
		goto out_commit;

	}



	spin_lock(&OCFS2_I(dir)->ip_lock);

	OCFS2_I(dir)->ip_dyn_features &= ~OCFS2_INDEXED_DIR_FL;

	di->i_dyn_features = cpu_to_le16(OCFS2_I(dir)->ip_dyn_features);

	spin_unlock(&OCFS2_I(dir)->ip_lock);

	di->i_dx_root = cpu_to_le64(0ULL);



	ocfs2_journal_dirty(handle, di_bh);