Bug #38824 ยป 0001-ceph-remove-duplicated-filelock-ref-increase.patch
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spin_lock(&ci->i_ceph_lock);
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if (ci->i_ceph_flags & CEPH_I_ERROR_FILELOCK) {
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err = -EIO;
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} else if (op == CEPH_MDS_OP_SETFILELOCK) {
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/*
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* increasing i_filelock_ref closes race window between
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* handling request reply and adding file_lock struct to
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* inode. Otherwise, i_auth_cap may get trimmed in the
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* window. Caller function will decrease the counter.
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*/
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fl->fl_ops = &ceph_fl_lock_ops;
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atomic_inc(&ci->i_filelock_ref);
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}
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spin_unlock(&ci->i_ceph_lock);
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if (err < 0) {
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| ... | ... | |
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spin_lock(&ci->i_ceph_lock);
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if (ci->i_ceph_flags & CEPH_I_ERROR_FILELOCK) {
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err = -EIO;
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} else {
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/* see comment in ceph_lock */
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fl->fl_ops = &ceph_fl_lock_ops;
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atomic_inc(&ci->i_filelock_ref);
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}
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spin_unlock(&ci->i_ceph_lock);
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if (err < 0) {
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