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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: Tao Ma <boyu.mt@taobao.com> Signed-off-by: Joel Becker <joel.becker@oracle.com>
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1 changed files with 4 additions and 0 deletions
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@ -2461,8 +2461,10 @@ static int ocfs2_dx_dir_attach_index(struct ocfs2_super *osb,
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di->i_dx_root = cpu_to_le64(dr_blkno);
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spin_lock(&OCFS2_I(dir)->ip_lock);
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OCFS2_I(dir)->ip_dyn_features |= OCFS2_INDEXED_DIR_FL;
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di->i_dyn_features = cpu_to_le16(OCFS2_I(dir)->ip_dyn_features);
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spin_unlock(&OCFS2_I(dir)->ip_lock);
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ocfs2_journal_dirty(handle, di_bh);
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@ -4466,8 +4468,10 @@ static int ocfs2_dx_dir_remove_index(struct inode *dir,
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goto out_commit;
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}
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spin_lock(&OCFS2_I(dir)->ip_lock);
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OCFS2_I(dir)->ip_dyn_features &= ~OCFS2_INDEXED_DIR_FL;
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di->i_dyn_features = cpu_to_le16(OCFS2_I(dir)->ip_dyn_features);
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spin_unlock(&OCFS2_I(dir)->ip_lock);
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di->i_dx_root = cpu_to_le64(0ULL);
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ocfs2_journal_dirty(handle, di_bh);
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